US20060233538A1 - Energized systems and devices for delivering volatile materials - Google Patents
Energized systems and devices for delivering volatile materials Download PDFInfo
- Publication number
- US20060233538A1 US20060233538A1 US11/401,202 US40120206A US2006233538A1 US 20060233538 A1 US20060233538 A1 US 20060233538A1 US 40120206 A US40120206 A US 40120206A US 2006233538 A1 US2006233538 A1 US 2006233538A1
- Authority
- US
- United States
- Prior art keywords
- wick
- volatile material
- delivery system
- volatile
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/12—Apparatus, e.g. holders, therefor
- A61L9/122—Apparatus, e.g. holders, therefor comprising a fan
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/12—Apparatus, e.g. holders, therefor
- A61L9/127—Apparatus, e.g. holders, therefor comprising a wick
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
- A61L2209/134—Distributing means, e.g. baffles, valves, manifolds, nozzles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
- A61L2209/135—Vaporisers for active components
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Abstract
A volatile material delivery system for emitting or releasing volatile materials to the atmosphere is provided. More specifically, delivery systems for delivering one or more volatile materials using a source of energy to provide a temporary emission boost, are also provided.
Description
- This application claims the benefit of U.S. Provisional Application No. 60/671,295, filed Apr. 14, 2005.
- The present invention relates to delivery systems for emitting or releasing volatile materials to the atmosphere. More specifically, the invention relates to energized delivery systems for delivering one or more distinct volatile materials.
- It is generally known to use a device to evaporate a volatile composition into a space, particularly a domestic space, e.g., a bathroom, to provide a pleasant aroma. The most common of such devices is the aerosol container, which propels minute droplets of an air freshener composition into the air. Another common type of dispensing device is a dish containing or supporting a body of gelatinous matter which when it dries and shrinks releases a vaporized air-treating composition into the atmosphere. Other products such as deodorant blocks are also used for dispensing air-treating vapors into the atmosphere by evaporation. Another group of vapor-dispensing devices utilizes a carrier material such as paperboard impregnated or coated with a vaporizable composition. There are a variety of such devices on sale, for example the ADJUSTABLE® (manufactured by Dial Corp.) or the DUET® 2 in 1 Gel+Spray (manufactured by S.C. Johnson). Generally, these devices consist of a perfume or fragrance source, an adjustable top for fragrance control and/or a sprayer. By the adjustment of the openings in the fragrance source (passive dispenser), there will be a continuous supply of the perfume or fragrance to the space in which the device is placed. By application of the sprayer (active dispenser), there will be a temporary supply of the perfume or fragrance to the space in which the device is delivered.
- A problem with such an arrangement is that a person occupying the space will quickly become accustomed to the perfume or fragrance and, after a while, will not perceive the fragrance strength as being as intense or may not notice it at all. This is a well-known phenomenon called habituation. One effort to deal with the problem of habituation is described in U.S. Pat. No. 5,755,381, to Seiichi Yazaki. The Yazaki. patent discloses an aroma emission device for emitting aroma from an aromatic liquid for a certain period of time at a uniform level of aroma. The device comprises a vessel that is partitioned via a portioning plate into an upper compartment and a lower compartment, having an air tube penetrating through a top cover portion and a bottom cover portion. Perforation is provided in the portioning plate to allow the upper and lower compartments to communicate with each other. As air is let into the upper compartment, the aromatic liquid held in the upper compartment flows down through the perforation into the partitioning plate and builds up in the empty portion of the bottom compartment. Aroma-laden air is released via the air tube of the lower compartment. When the aromatic liquid in the upper compartment fully transfers into the lower compartment, the emission of the aroma-laden air stops. The device can be repeatedly used by placing the vessel of the device upside down at any time. The Yazaki. patent, however, appears to be directed to a device which can be operated as a water clock. That is, as the fluid travels from upper one compartment to the lower compartment, the device emits an aromatic fragrance and then stops itself when the fluid transfer is complete. The Yazaki patent does not mention the use of evaporative surface devices to deliver the perfume or aromatic fragrance, rather aroma-laden air of the Yazaki device is released via the use of an air tube located in the lower compartment. In addition, the Yazaki aromatic fragrance is delivered as a temporary emission. It is specifically designed not to be continuous.
- Evaporative surface device devices (such as, wicking devices) are well known for dispensing volatile liquids into the atmosphere, such as fragrance, deodorant, disinfectant or insecticide active agent. A typical evaporative surface device utilizes a combination of a wick and emanating region to dispense a volatile liquid from a liquid fluid reservoir. Evaporative surface devices are described in U.S. Pat. Nos. 1,994,932; 2,597,195; 2,802,695; 2,804,291; 2,847,976; 3,283,787; 3,550,853; 4,286,754; 4,413,779; and 4,454,987.
- Ideally, the evaporative surface device should be as simple as possible, require little or no maintenance and should perform in a manner that allows the volatile material to be dispensed at a steady and controlled rate into the designated area while maintaining its emission integrity over the life span of the device. Unfortunately, nearly all of the relatively simple non-aerosol devices that are commercially available suffer from the same limitation. The emission becomes distorted over the life span of the device due to the fact that the more volatile components are removed first, leaving the less volatile components behind. This change of the composition with time eventually results in a weakening of the intensity of the fragrance since the less volatile components evaporate more slowly. It is these two problems, i.e., the weakening of intensity and distortion over the lifetime of the fragrance material, that have occupied much of the attention of those who seek to devise better air freshener devices. Practically all devices, which depend on evaporation from a surface, suffer from the shortcomings mentioned above. In most of these devices, a wick, gel or porous surface simply provides a greater surface area from which the fragrance material can evaporate more quickly, but fractionation still occurs, as it would from the surface of the liquid itself, resulting in an initial burst of fragrance followed by a period of lower intensity once the more volatile components have evaporated. Due to this fractionation, and perhaps in combination with the clogging of the wick due to precipitation of insolubles, the evaporative surface device begins to malfunction. As the fragrance becomes distorted, the intensity of the emission weakens perceptibly.
- Solutions to the problems of habituation, scent decline, fractionation, and wick clogging coupled with the ability of a volatile material delivery system to transform the notion of intensity control into a desirable, rewarding process for consumers have been sought. The improved aesthetics associated with the simplicity of how the boost level emission is provided, and the dynamic interactive scent experience thereby created, coupled with an automatic return to the maintenance level emission, makes the non-aerosol device highly desirable.
- There are numerous embodiments of the delivery systems described herein, all of which are intended to be non-limiting examples. In one embodiment of the invention, a volatile material delivery system (hereinafter “delivery system”) is provided. The delivery system, comprising at least one volatile material, provides a continuous maintenance level emission of at least one volatile material and/or a temporary boost level emission of at least one volatile material. The volatile material comprises one or more perfume components, a portion of which have a high Kovat's Index. In one embodiment, at least about 40 weight percent of the perfume components have a Kovat's Index of 1500 or more.
- In another embodiment of the invention, an energized volatile material delivery system is provided. The delivery system uses a source of heat, gas, or electrical current, however, the at least one volatile material is not mechanically delivered by an aerosol. The delivery system may further comprise: (a) at least one container comprising at least one fluid reservoir; (b) at least one evaporative surface device opening located in the at least one container; (c) at least one evaporative surface device, having at least some longitudinal exposure, is at least partially located in the evaporative surface device opening and in the fluid reservoir; wherein the evaporative surface device is fluidly connected to the volatile material; (d) optionally at least one by-pass tube; and (e) optionally one or more secondary evaporative surface devices.
- In another aspect of the invention a delivery system comprising at least one volatile material from a single source, or alternatively from multiple sources, is provided. The at least one volatile material may be a composition containing a variety of volatile materials, as well as, non-volatile materials in any amount. The one or more volatile materials may have various volatility rates over the useful life of the delivery system. The consumer can control the volume of the volatile material delivered to the evaporative surface device to provide for uniform emissions and to enhance the perception of desired olfactory effect, for example, for malodor control. The delivery system described herein can comprise any type of dosing device, including, but not limited to: collection basins, pumps, and spring-action devices. The delivery system may also be configured to reduce spillage of the volatile material when overturned on its side.
- In still another aspect of the invention, a kit is provided. The kit comprises (a) a package; (b) instructions for use; and (c) an energized volatile material delivery system comprising at least one volatile material, wherein said delivery system provides a continuous maintenance level emission of at least one volatile material and/or a temporary boost level emission of at least one volatile material, wherein said volatile material is not mechanically delivered by an aerosol.
- While the specification concludes with claims particularly pointing out and distinctly claiming the invention, it is believed that the present invention will be better understood from the following description taken in conjunction with the accompanying drawings in which:
-
FIGS. 1, 2 , 3 a, and 4, 5 c, 6, 7 a, 7 b, 8 a, 8 b, 8 c, 9 a, 9 b, 9 c, 9 d, 10 a, 10 b, 11, 12, 13 c, 15 a, and 15 b show cross-sections of a delivery system. -
FIG. 3 b shows a cross-section of a delivery system with a gutter. -
FIG. 5 a show side views of a delivery system. -
FIG. 5 b shows a cross-section of an evaporative surface device. -
FIG. 10 c shows a cross-section of a pleated wick. -
FIG. 13 a and 14 show perspective views of a delivery system. -
FIG. 13 b shows a top view of a delivery system. - The present invention relates to delivery systems for emitting or releasing volatile materials to the atmosphere. In some embodiments, the invention relates to delivery systems that deliver at least one volatile material during the maintenance level emission and/or boost level emission modes. The delivery system uses a source of heat, gas, or electrical current, however, the volatile material is not mechanically delivered by an aerosol. An example of a delivery system using a source of electrical current is the use of an electric-powered fan. In viewing these figures, it should be understood that there are numerous embodiments of the delivery systems described herein, all of which are intended to be non-limiting examples.
- Definitions
- The term “volatile materials” as used herein, refers to a material or a discrete unit comprised of one or more materials that is vaporizable, or comprises a material that is vaporizable without the need of an energy source. Any suitable volatile material in any amount or form may be used. The term “volatile materials”, thus, includes (but is not limited to) compositions that are comprised entirely of a single volatile material. It should be understood that the term “volatile material” also refers to compositions that have more than one volatile component, and it is not necessary for all of the component materials of the volatile material to be volatile. The volatile materials described herein may, thus, also have non-volatile components. It should also be understood that when the volatile materials are described herein as being “emitted” or “released,” this refers to the volatilization of the volatile components thereof, and does not require that the non-volatile components thereof be emitted. The volatile materials of interest herein can be in any suitable form including, but not limited to: solids, liquids, gels, and combinations thereof. The volatile materials may be encapsulated, used in evaporative surface devices (e.g. evaporative surface devices), and combined with carrier materials, such as porous materials impregnated with or containing the volatile material, and combinations thereof. Any suitable carrier material in any suitable amount or form may be used. For example, the delivery system may contain a volatile material comprising a single-phase composition, multi-phase composition and combinations thereof, from one or more sources in one or more carrier materials (e.g. water, solvent, etc.).
- The terms “volatile materials”, “aroma”, and “emissions”, as used herein, include, but are not limited to pleasant or savory smells, and, thus, also encompass materials that function as fragrances, air fresheners, deodorizers, odor eliminators, malodor counteractants, insecticides, insect repellants, medicinal substances, disinfectants, sanitizers, mood enhancers, and aroma therapy aids, or for any other suitable purpose using a material that acts to condition, modify, or otherwise charge the atmosphere or the environment. It should be understood that certain volatile materials including, but not limited to perfumes, aromatic materials, and emissioned materials, will often be comprised of one or more volatile compositions (which may form a unique and/or discrete unit comprised of a collection of volatile materials). For example, a malodor control composition may include, but is not limited to: odor-neutralizing materials, odor blocking materials, odor masking materials, and combinations thereof.
- The term “energized,” when referring to the delivery system of the present invention, means that the delivery system uses a source of heat, gas or electrical current to aid in the delivery of the volatile material to the atmosphere. Examples include the use of heating elements to heat a wick or gelled material and the use of electrical current to power a delivery device such as a fan. In one embodiment of the present invention, the wick of the present invention can pass through a heating block. When active, the heating block will heat the wick, resulting in the delivery of volatile material. The heating block can be used to provide a temporary boost in delivered volatiles by allowing the user to activate the block for a period of time. Such a period of time may be predetermined or independently controlled by the user, perhaps by the use of an “ON/OFF” switch. In an alternative embodiment of the present invention, a fan is placed behind the evaporative surface. When active, the fan will blow air over the evaporative surface, resulting in the delivery of volatile material. The fan can be used to provide a temporary boost in delivered volatiles by allowing the user to activate the fan for a period of time. Such a period of time may be predetermined or independently controlled by the user, perhaps by the use of an “ON/OFF” switch. In an alternative embodiment, both a heating block and fan may be used, with one energy source providing a base level of volatile delivery and the other energy source providing a temporary boost. For example, a heating block could be used to provide a constant level of volatile delivery, while a fan could be temporarily activated for a boost in volatile delivery, or vise versa. “Kovat's Index” (KI, or Retention Index) is defined by the selective retention of solutes or perfume raw materials (PRMs) onto the chromatographic columns. It is primarily determined by the column stationary phase and the properties of solutes or PRMs. For a given column system, a PRM's polarity, molecular weight, vapor pressure, boiling point and the stationary phase property determine the extent of retention. To systematically express the retention of analyte on a given GC column, a measure called Kovat's Index (or retention index) is defined. Kovat's Index (KI) places the volatility attributes of an analyte (or PRM) on a column in relation to the volatility characteristics of n-alkane series on that column. Typical columns used are DB-5 and DB-1.
- By this definition the KI of a normal alkane is set to 100n, where n=number of C atoms of the n-alkane. With this definition, the Kovat's index of a PRM, x, eluting at time t′, between two n-alkanes with number of carbon atoms n and N having corrected retention times t′n and t′N respectively will then be calculated as:
- The delivery system may contain volatile materials in the form of perfume oils. Most conventional fragrance materials are volatile essential oils. The volatile materials may comprise one or more volatile organic compounds which are commonly available from perfumery suppliers. Furthermore, the volatile materials can be synthetically or naturally formed materials. Examples include, but are not limited to: oil of bergamot, bitter orange, lemon, mandarin, caraway, cedar leaf, clove leaf, cedar wood, geranium, lavender, orange, origanum, petitgrain, white cedar, patchouli, lavandin, neroili, rose absolute, and the like. In the case of emissioned materials or fragrances, the different volatile materials can be similar, related, complementary, or contrasting.
- In addition, the gravity-aided nature of the present delivery system provides opportunities to use a broader range of perfume components than was previously available in an evaporative system. Since all liquid elements of the perfume are drawn through the wick by gravity, heavier perfume components (having a higher KI) can be used without the typical issues (i.e., they settle to the bottom of the container and do not evaporate at the same rate as the other perfume components).
- In one embodiment of the present invention, the volatile material includes perfume components (also called perfume raw materials—“PRMs”), a portion of which have a high Kovat's Index (KI). Preferably, at least about 40 percent (by weight) of the perfume components have a gas chromatographic Kovat's Index (as determined on 5% phenyl-methylpolysiloxane as non-polar silicone stationary phase) of 1500 or more. More preferably, at least about 50 percent (by weight) of the perfume components have a KI of 1500 or more. Still more preferably, at least about 60 percent (by weight) of the perfume components have a KI of 1500 or more. In another embodiment, at least about 5 percent (by weight) of the perfume components have a gas chromatographic Kovat's Index (as determined on 5% phenyl-methylpolysiloxane as non-polar silicone stationary phase) of 1800 or more. More preferably, at least about 7 percent (by weight) of the perfume components have a KI of 1800 or more. Still more preferably, at least about 10 percent (by weight) of the perfume components have a KI of 1800 or more.
- In one embodiment, the volatile composition contains:
-
- ˜60% PRMs with KI<1400, and
- ˜35% with KI>1500, while <1800,
- ˜5% of PRMs with KI>1800.
- In another embodiment, the volatile composition contains:
-
- ˜50% PRMs with KI<1400, and
- ˜43% with KI>1400, while <1800,
- ˜7% of PRMs with KI>1800.
- In another embodiment, the volatile composition contains:
-
- ˜40% PRMs with KI<1400, and
- ˜50% with KI>1400, while <1800,
- ˜10% of PRMs with KI>1800.
- In one embodiment of the present invention, a portion of the perfume components are highly polar or contain hydrophilic functionalities such as carboxylic, hydroxyl, amino, and combinations thereof. Non-limiting examples of useful perfume components include, but are not limited to: vanillin, ethyl vanillin, coumarin, PEA (phenyl ethyl alcohol), cumminalcohol, cinnamic alcohol, eugenol, eucalyptol, cis-3-hexenol, 2-methyl patenoic acid, dihydromyrcenol, linalool, geranol, methyl anthranilate, dimethyl anthranilate, cabitol, cerol, terpineol, citronellol, ethyl vanillin. amyl salicylate, hexyl salicylate, benzyl salicylate, patchouli alcohol, menthol, isomentol, maltol, ehtylmaltol, nerol. iso-eugenol, para-ethyl phenol, benzyl alcohol, sabinol, and terpinen-4-01, and combinations of the above.
- In another embodiment of the present invention, a portion of the perfume components are highly substantive. Such perfume components may include the liquid forms of benzyl salacylate, Hercolyn D, methyl abietate, cinnamyl phenyl acetate and ethylene brassylate.
- In another embodiment of the present invention, a portion of the perfume components are highly “sensitive” (or unstable). The term “sensitive,” in this context, includes components that result from heat induced degradation reactions, such as the hydrolysis of esters, lactones, and acetels/ketal, etc. The term “sensitive,” in this context, also includes components that result from condensation reaction to form non-volatile species, such as Schiff-base formation, ester formation, dehydration reaction, and polymerization reactions, etc. Such perfume components may include the liquid forms of flor acetate, lactones, methyl anthranlate with aromatic aldehydes, D-Damascones, and ionones.
- It may not be desirable, however, for the volatile materials to be too similar if the different volatile materials are being used in an attempt to avoid the problem of emission habituation, otherwise, the people experiencing the emissions may not notice that a different emission is being emitted. The different emissions can be related to each other by a common theme, or in some other manner. An example of emissions that are different, but complementary might be a cinnamon emission and an apple emission. For example, the different emissions can provided using a plurality of delivery systems each providing a different volatile material (such as, musk, floral, fruit emissions, etc).
- In certain non-limiting embodiments, the maintenance level emission of volatile materials may exhibit a uniform intensity until substantially all the volatile materials are exhausted from the delivery system source at the same time. In other words, when characterizing the maintenance level emission, uniformity can be expressed in terms of substantially constant volatility rates over the life of the volatile material delivery system. The term “continuous,” with regard to the maintenance level emission, means that although it is desirable for a delivery system to provide a uniform maintenance level emission mode which continuously emits until all of the volatile materials are substantially depleted (and optionally, for this to occur at approximately the same time in the case where there are one or more sources of the volatile materials), the maintenance level emission can also include periods where there are gaps in emission. The delivery of the maintenance level emission can be of any suitable length, including but not limited up to: 30 days, 60 days, 90 days, shorter or longer periods, or any period between 30 to 90 days.
- In certain other non-limiting embodiments, when the boost level emission mode is activated by human interaction, a higher, optionally uniform, intensity of volatile material(s) is emitted over a suitable emission duration, at which time the delivery system can automatically return to delivering volatile material(s) in the maintenance level emission mode without further human interaction. The term “temporary,” with regard to the boost level emission, means that though it is desirable for the boost level emissions to emit at a higher intensity for a limited period of time after being activated and/or controlled by human interaction, the boost level emission can also include periods where there are gaps in emissions. Not to be bound by theory, it is believed that the higher intensity of the boost level emission depends upon a number of factors. Some of these factors include, but are not limited to: the “perfume effect” of the volatile material; the volume of the volatile material delivered to the evaporative surface device for purposes of providing a boost level emission; the rate of delivery of the volatile material available from the source for boost level emissions; and the available surface area of the evaporative surface device during the delivery of the boost level emission.
- Any suitable volatile material, as well as, any suitable volatile material volume, rate of delivery, and/or evaporative surface area may also be used to raise and/or control the intensity of the boost level emission. Suitable volumes, rates of delivery, and surface areas are those in which the boost level emission exhibits an emission intensity greater than or equal to the maintenance level emission. For example, by providing a greater volume of volatile material to the evaporative surface device, the intensity of the boost level emission may be an increased and/or controlled by the consumer. The volume of the volatile material delivered to the evaporative surface device may also be controlled using a specific dosing device having a specific volume. A collection basin may be used to force a certain volume through the evaporative surface device. The collection basin may be made of any suitable material, size, shape or configuration and may collect any suitable volume of volatile material. For example, the delivery system may comprise a collection basin, such as a unit dose chamber, that may be at least partially filled with at least some of the volatile material to activate the boost level emission. The unit dose chamber provides a controlled volume of the volatile material to an evaporative surface device, such as a evaporative surface device. Other dosing devices may include pumps and spring-action devices.
- The term “evaporative surface device” includes any suitable surface that allows for at least some evaporation of volatile materials. Any suitable evaporative surface device having any suitable size, shape, form, or configuration may be used. Suitable evaporative surface devices made from any suitable material, including but not limited to: natural materials, man-made materials, fibrous materials, non-fibrous materials, porous materials, non-porous materials, and combinations thereof. The evaporative surface devices used herein are flameless in character and include any device used for dispensing any type of volatile material (e.g. liquids) into the atmosphere (such as fragrance, deodorant, disinfectant or insecticide active agent). In certain non-limiting embodiments, a typical evaporative surface device utilizes a combination of a wick, gel, and/or porous surface, and an emanating region to dispense a volatile liquid from a liquid fluid reservoir.
- As stated above, any suitable increase in the rate of delivery or evaporative surface area is useful in raising and/or controlling the intensity of the boost level emission. The “rate of delivery” relates to the time the volatile material has to evaporate on the evaporative surface device before being returned to a container or fluid reservoir for storage. Suitable means for delivering the volatile material to the evaporative surface device may include, but is not limited to: inversion, pumping, or by use of a spring-action device. For example, the addition of one or more evaporative surface devices (such as, primary wicks or secondary wicks) to the delivery system may be used to increase the surface area in order to increase intensity. The surface area of the secondary evaporative surface device can range from about 1 to about 100 times greater than the surface area of the primary evaporative surface device. Optionally, the secondary evaporative surface device may be in fluid communication with other evaporative surface devices.
- In certain non-limiting embodiments, the boost level emission may comprise volatile material emissions from both a primary evaporative surface device and/or a secondary evaporative surface device. The boost level emission may exhibit a boost emission profile of any suitable emission duration. For example, suitable boost level emission durations may include, but are not limited to, durations from less than or equal to 10 minutes; or from about 10 minutes to about 2 hours; and alternatively, from about 2 hours to about 24 hours.
- In some non-limiting embodiments, the delivery system may maintain its character fidelity over time with periodic reversals in volatile material flow direction on the evaporative surface device. For example, over time the character fidelity of the delivery system may decrease due to fractionation (such as, partitioning effects) of at least one volatile material or by wick clogging. The solution to both fractionation and wick clogging is to provide a suitable flow reversal on the evaporative surface device over a suitable duration. For example, a suitable flow reversal of the evaporative surface device may consist of the activation of the boost level emission and emission over a suitable duration. In this case, volatile material flow reversal of the evaporative surface device resulting from inversion, pumping or by spring-action can substantially flush the wick in a manner sufficient to clear away some of the unwanted insoluble precipitates, fractionation and/or partitioning effects. Thus, character fidelity is at least partially restored by flushing the wick during the boost level emission. In this way, the consumer can revive the dynamic interactive scent experience by sensing the entire range of different volatile materials contained in the delivery system is a simple step.
- In other non-limiting embodiments, the delivery system described herein may be used for such things as fragrancing, malodor control, and insect repellant. For example when placed in a room, or optionally outdoors, such as on a picnic table, insect control, besides fragrancing and malodor control, can be achieved by adjusting the emission levels depending upon the number of insects in the immediate area. When the insect annoyance is small, the maintenance level emission will likely be adequate to provide consumer comfort. However, when bothered by numerous insects, such as mosquitoes and biting flies, the consumer may choose to deliver the boost level emission.
- Figures
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FIG. 1 depicts a cross-section of a non-limiting embodiment of adelivery system 20 comprising at least one container 1 (and 2) comprising at least one wick opening 18 (and 19), at least onewick 5, at least one fluid reservoir 6 (and 7), and at least onevolatile material 8. The delivery system and its components may be made in any suitable size, shape, configuration, or type, and from any suitable material. Suitable materials include, but are not limited to: metal, glass, natural fiber, ceramic, wood, plastic, and combinations thereof. The container 1 (and 2) may comprise the exterior surface of thedelivery system 20, as such is subject to visual inspection as well as being picked up and manipulated by the consumer during use, or it may be housed in a shell (not shown). Thewick 5 has at least some portion exposed to the atmosphere. The wick opening 18 (and 19) may be of any convenient size and shape and may located anywhere on the container 1 (and 2). The at least one wick opening 18 (and 19) allows a means of delivering thevolatile material 8 to the atmosphere via the at least onewick 5 during the maintenance level emission and/or boost level emission modes. In certain non-limiting embodiments, the container 1 (and 2) may be housed in a outer shell (not shown) which is desirably visually attractive and of suitable dimensions that it may be left in view in the area of usage for greatest effectiveness during evaporative dispensing. When more than onecontainer 1 and 2 is present, they may be opposedly-connected and/or fluidly-connected as shown. - In one non-limiting embodiment, the
containers 1 and 2 are in fluid-communication via an evaporative surface device comprising awick 5 having at least some longitudinal exposure to the atmosphere. The container 1 (and 2) may be attached to any other suitable component of thedelivery system 20. For instance,containers 1 and 2 may be attached to each other via thewick 5, as part of a shell or housing (not shown), or by any other suitable means. Thewick 5 is in fluid contact with at least somevolatile material 8 some of the time. Thevolatile material 5 may be stored in eitherfluid reservoir wick 5 provides enoughexposed wick 5 surface area to allow suitable emission rates of thevolatile material 8 during both the maintenance level emission and boost level emission modes. Once connected,containers 1 and 2 and theircorresponding fluid reservoirs wick 5 or by any other suitable means (e.g. an enclosed channel or tube). Besides providing an evaporative surface for emissions, another purpose for connectingcontainers 1 and 2 with awick 5 is to provide a way for excessvolatile material 8, which is not evaporated or emitted, to be transported from the upper container 1 by gravity for collection and storage within thelower container 2 without substantial leaking when thedelivery system 20 is inverted by the consumer. - The wick fitting 3 (and 4) may function as a seal to hold at least some
volatile material 8 in thedelivery system 20. The wick fitting 3 (and 4) may be made of any suitable material in any suitable size, shape or configuration so as to sealably attach thewick 5 and/or any component to any component within thedelivery system 20. The wick fitting 3 (and 4) may be attached to any portion of thedelivery system 20 such that it aids inwick 5 loading and dosing without allowing substantial leakage of thevolatile material 8 from the non-wick portion of thedelivery system 20. The wick fitting 3 (and 4) may be inserted in the wick opening 18 (and 19), which is located in any suitable location on the container 1 (and 2) surface, such that thewick 5 or any other suitable component (not shown) may pass through the wick opening 18 (and 19) and enter at least a portion of the fluid reservoir 6 (and 7). The at least one wick opening 18 (and 19) and wick fitting 3 (and 4) are dimensioned to both accommodate thewick 5 and any other component, and to minimize excessvolatile material 8 leakage from thedelivery system 20 if thedelivery system 20 is inverted or overturned by the consumer. - The
wick 5 may made of any suitable material in any suitable size, shape, or configuration, such that it functions as an wick to allow emission of thevolatile material 8 by having at least some portion exposed to the atmosphere. Thewick 5 may be located in any suitable location within the container 1 (and 2). Thewick 5 may be at least partially located in the container 1 (and 2), the wick opening 18 (and 19), and/or the wick fitting 3 (and 4), being fluidly connected to thevolatile material 8, which is stored in the fluid reservoir 6 (and 7) of the container 1 (and 2). Thewick 5 may extend inside of the fluid reservoir 6 (and 7) to the container base 33 (and 34). Conversely, thewick 5 may be of any suitable length which will maintain the fluid connection with even a small amount ofvolatile material 8 in the at least one fluid reservoir 6 (and 7) while in the maintenance level emission mode throughout the useful life of thedelivery system 20. There is noparticular wick 5 length requirement inside or outside the container 1 (and 2). The at least onewick 5 may be positioned at any desired internal depth within the fluid reservoir 6 (and 7) . The at least onewick 5 can optionally occupy the full internal length of the bothfluid reservoirs volatile material 8. - The
wick 5 is sealably fastened to the container 1 (and 2) in the location of the at least one wick opening 18 (and 19) via the wick fitting 3 (and 4). The wick fitting 3 (and 4) may sealably hold at least a portion of thewick 5 and other suitable component passing through the wick opening 18 (and 19). The wick fitting 3 (and 4) may fit snuggly around the at least one wick opening 18 (and 19) and the at least onewick 5, respectively, so as to prevent unwanted leakage of thevolatile material 8 from thedelivery system 20 in storage, duringwick 5 loading or dosing of thewick 5 after inversion, pumping or by spring-action, or if toppled. The wick fitting 3 (and 4) may be affixed by any means (such as by friction, adhesion, etc) to the container 1 (and 2) so as to minimize unwanted volatilization of thevolatile material 8 especially when not in use. The wick fitting 3 (and 4) may be optionally vented (not shown) in any suitable location so as to aid loading of thewick 5. - There may be at least one container base 33 (and 34) to aid in stabilizing and/or hold the
delivery system 20 in the proper configuration, such as, in the upright position during the maintenance level emission mode. Thedelivery system 20 may further comprise an additional resealable seal (not shown) for containing the volatile material in the container 1 (and 2). Thedelivery system 20 may further have a package seal (not shown) for covering the at least onewick 5 and/ordelivery system 20 containing one or more of thevolatile materials 8 described above when desired by the manufacturer or consumer, for instance, when thevolatile material 8 is not desired to be emitted such as prior to sale or during extended periods away from the room to be fragranced. -
FIG. 2 a depicts a cross-section of another non-limiting embodiment of a volatilematerial delivery system 20 having twocontainers 1 and 2 which are opposedly-connected and fluidly-connected to each other via at least one by-pass tube 9 (and 10) and/or the at least onewick 5. As above, thecontainers 1 and 2, havingfluid reservoirs volatile material 8, are fluidly connected via the at least onewick 5 and/or the by-pass tube 9 (and 10). The by-pass tube 9 (and 10) may connect to the container 1 (and 2) via a by-pass tube openings 15 and 17 (14 and 16) having any size, shape, or configuration. The by-pass tube 9 (and 10) may be formed as an integral component of the container 1 (and 2) or may provided as a separate component which is added to the container 1 (and 2). The by-pass tube 9 (and 10) may be made of any suitable material which is compatible with the container 1 (and 2) such that it may be suitably sealed or connected to the container 1 (and 2) and/or fluid reservoir 6 (and 7) in any configuration without fluid leakage. The by-pass tube openings 15 and 17 (14 and 16) allow for direct fluid communication of thevolatile material 8 between thefluid reservoirs pass tube openings 14 and 16 (15 and 17) may be configured so as to allow for any suitable type of flow desired. The by-pass tube 9 (and 10) and/or the by-pass tube openings pass tube openings pass tube openings delivery system 20 the ability to provide the consumer with unusual visual interests since a modified flow of avolatile material 8 may attract attention to the delivery system. It is possible for each container 1 (and 2) to share a portion of one or more fluid reservoirs 6 (and 7) such that at least somevolatile material 8 may be present within thedelivery system 20 in any particular location at any time. Such a container 1 (and 2) could, for instance, hold a least somevolatile material 8 in bothfluid reservoir 6 andfluid reservoir 7 immediately after loading or dosing of thewick 5 by inversion, pumping, or by spring-action. Thevolatile material 8 itself may also comprise any suitable adjunct ingredient in any suitable amount or in any suitable form. For example, dyes, pigments, and speckles may provide additional aesthetic benefits, especially when observed by the consumer during a modified flow configuration. - The by-pass tube 9 (and 10) may also serve both as an additional fluid reservoir for collecting a certain amount of the
volatile material 8, and/or a means to divert a portion of a certain volume ofvolatile material 8 between the opposingfluid reservoirs delivery system 20 be toppled off itsbase 34 from the upright vertical position to a horizontal position, thedelivery system 20 may be designed to come to rest in a configuration such that at least one by-pass tube volatile material 8 from eachfluid reservoir pass tube volatile material 8 from thedelivery system 20. - The wick opening 18 (and 19) may be located anywhere on the exterior surface of the container 1 (and 2). For instance, the wick opening 18 (and 19) may be positioned on the exterior surface of the container 1 (and 2) such that it lies on a plane parallel to the plane of the container base 33 (and 34). A unit dose chamber 11 (and 12) may be located anywhere within the container 1 (and 2), and is generally within the fluid reservoir 6 (and 7). The unit does chamber 11 (and 12) is defined by the interior volume created within the fluid reservoir 6 (and 7) between the uppermost region of the at least one wick opening 18 (and 19) and the lowermost region of the by-
pass tube openings 14 and 15 (16 and 17). The actual volume of unit dose chamber 11 (and 12) can vary depending on the size of the at least onefluid reservoir wick 5, and the amount ofvolatile material 8 delivered to the at least oneunit dose chamber 11 and 12 upon inversion of thedelivery system 20. In certain non-limiting embodiments, the consumer can control the volume of volatile material delivered to thewick 5 via the unit dose chamber 11 (and 12) by adjusting the loading and/or dosing of the unit dose volume. This may be accomplished for example, by adjusting the amount ofvolatile material 8 pumped, or by manipulating the inversion of the container 1 (and 2), or by any other suitable means. - When inverted the
delivery system 20 may route excessvolatile material 8 from theupper fluid reservoir 6 of container 1, which is not collected in the at least one unit dose chamber 11 or absorbed by and/or is loaded onto the at least onewick 5, via the by-pass tubes pass tube openings lower fluid reservoir 7 via by-pass tube openings container 2. For example, the unit dose chamber 10 (and 11) may contain at least some of thevolatile material 8 upon inversion of thedelivery system 20 and/or the container 1 (and 2). When thedelivery system 20 and/or the container 1 (and 2) is inverted and/or toppled from its upright position, the by-pass tube 9 (and 10) fill with some of thevolatile material 8 released from the one or more fluid reservoir 6 (and 7), from the at least one unit dose chamber 11 9and 12), and/or from thewick 5. - When the unit dose chamber 11 in the
upper fluid reservoir 6 is at least partially filled, loaded and/or dosed with at least some of thevolatile material 8, the unit dose chamber 11 will deliver a controlled volume (e.g. unit dose) of thevolatile material 8 to thewick 5 to provide the boost level emission to the atmosphere. What excessvolatile material 8 that is not evaporated or emitted will be transported by thewick 5 and collected in thelower fluid reservoir 7 without substantial leakage. Thedelivery system 20 is also capable of delivering multiple controlled volumes and/or unit doses to enable the initiation of multiple boost level emissions for one or more of the following purposes: fragrancing, malodor control, insect repellency, mood setting, and combinations thereof. The dosing process allows a consumer to deliver a temporary boost level emission to a space whenever needed, for example for malodor control. - Dosing of the
wick 5 can be performed by any suitable means, for example, by inversion, by squeezing a bladder, by non-aerosol pumping, or by any other suitable means excluding the use of heat, gas, or electrical current. For example, dosing may occur by inversion when the consumer simply turns thedelivery system 20 upside down, setting thedelivery system 20 on the container base 33 (and 34). Thus upon inversion, thevolatile material 8 that was originally stored in the lower fluid reservoir (6 or 7) is temporarily positioned in the upper fluid reservoir (6 or 7). Thevolatile material 8 begins to immediately drain from the upper fluid reservoir (6 or 7) and pass to the lower fluid reservoir (6 or 7) via gravity through the unit dose chamber (11 or 12), thewick 5, and/or the by-pass tube 9 (and 10). Once thevolatile material 8 is collected in the dose chamber 11 (and 12), the boost level emission begins as thevolatile material 8 is delivered to the at least onewick 5 via gravity along the portion of thewick 5 exposed to the atmosphere. When a controlled volume of thevolatile material 8 is delivered to the onewick 5 via the unit dose chamber 11 (and 12), the boost level emission may be substantially uniform in terms of volatility rates ofvolatile material 8, over the a portion of the life of thedelivery system 20. - In one non-limiting embodiment, at least some of the unit dose of
volatile material 8 in the upper fluid reservoir (6 or 7) that passes from the unit dose chamber 11 (and 12) through the wick opening 18 (and 19) and thewick 5 will be emitted to the atmosphere. That portion of the unit dose that is not emitted may be delivered back to the lower fluid reservoir (6 or 7) via thewick 5 and/or the wick opening 19 (and 18). Once the unit dose chamber 11 (and 12) in the upper fluid reservoir (6 or 7) is drained by gravity, the boost level emission beings to slowly subside until unit dose either is emitted or passes through to the lower reservoir (6 or 7). When the boost level emission ceases, the maintenance level emission automatically returns. In the maintenance level emission mode, thewick 5 drawsvolatile material 8 stored in the lower fluid reservoir (6 or 7) via capillary action to at least some portion of the wick that exposed to the atmosphere. For example, thevolatile material 8 may be emitted from the full length, or any portion thereof, of the exposedlongitudinal wick 5 surface betweenwick openings -
FIG. 3 a depicts a cross-section of another non-limiting embodiment of a volatilematerial delivery system 20 having twocontainers 1 and 2 which are opposedly-connected and fluidly-connected to each other via by-pass tubes wick 5. In this embodiment, by-pass tubes delivery system 20 and to provide protection of thewick 5 from damage if thedelivery system 20 is inverted and/or toppled from its upright position and not placed on its container base 33 (and 34). - In one non-limiting embodiment, the volume of the unit dose chamber for the boost level emission may be defined by the volume of
volatile material 8 in the upper fluid reservoir (6 or 7) not collected by the by-pass tube 9 (and 10) for channeling back down to the lower fluid reservoir (6 or 7). The unitdose chamber walls unit dose chamber 12 may havechamber walls pass tube openings open end 22 of the unitdose chamber walls pass tube openings fluid reservoir 6 havingwalls pass tube openings volatile material 8 in theupper reservoir 6 may be collected in the unit dose chamber 11 via theopen end 21 of the unitdose chamber walls delivery system 20. - Furthermore, any additional component in any suitable size, shape, configuration, or material for joining or mating of the two
containers 1 and 2 together, or for directing fluid flow within thedelivery system 20 may be used. For example, any suitable interior component may be provided within the fluid passageways of thedelivery system 20 in order to aid and/or direct flow of thevolatile material 8 in any desired location (such as, away from or towards the wick 5). Any suitable exterior component of thedelivery system 20 and/or the container 1 (and 2) may be provided to aid in the performance of thedelivery system 20. -
FIG. 3 b depicts a cross-section of another non-limiting embodiment of a volatilematerial delivery system 20 having a gutter assembly. Agutter 138, located near the wick opening 18 (and 19) on the exterior surface of thecontainer 2, is provided to collect excessvolatile material 8 that may escape from thewick 5 and/or the wick opening 18 (and 19) afterwick 5 loading and/or toppling of thedelivery system 20. Anygutter 138 of any size, shape, configuration, or material may be used. In one non-limiting embodiment the gutter is located in the area in or adjacent to the location of thewick opening 19. In order to catch or collect excessvolatile material 8 that may drip out of the opposingwick opening 19 and/or off the wick 5 (such as, after excessive loading by inversion, pumping and/or tipping) anabsorbent material 139 is provided. Any suitableabsorbent material 139 may be used in any suitable size, shape, or configuration. Theabsorbent material 139 may be made from any suitable materials that can substantially absorb and/or facilitate evaporation of thevolatile material 8. Theabsorbent material 139 may comprise any suitable evaporative surface material. For example, suitableabsorbent material 139 may include paper, plastic, sponge, etc. Excessvolatile material 8 that is collected in thegutter 138 may then be absorbed or reabsorbed byabsorbent material 139 and redirected to thewick 5, thewick opening 19, or allowed to evaporate directly to the atmosphere. - In certain other non-limiting embodiments, an
absorbent material 139 may be placed in or near the location of thegutter 138 so as to aid in the collection of excessvolatile material 8 that is not collected by thelower fluid reservoir 7. For example, theabsorbent material 139 may be made fromwick 5 material in the shape of a thin washer or doughnut that is located in thegutter 138 and surrounds the at least onewick 5. It should be noted that theabsorbent material 139 does not have to be in physical contact with either thewick 5 or thewick opening 19. It may be attached to any part of the exterior surface of thedelivery system 20 by any suitable means (such as by friction, adhesion, fasteners, etc.). In fact, it does not have to be fixedly attached at all since it can be added or removed by the consumer as desired. Theabsorbent material 139 can freely slide along the longitudinal axis of the at least onewick 5 coming to rest in the area of the opposing gutter (not shown) wherein it can collect any excessvolatile material 8 that may be present in the vicinity of the opposing wick opening (not shown), for example, during inversion, excess pumping, or toppling of thedelivery system 20. -
FIG. 4 depicts another non-limiting embodiment of a volatilematerial delivery system 20 having twocontainers 1 and 2 which are opposedly-connected and fluidly-connected to each other via a single by-pass tube 9 and/or the at least onewick 5. The by-pass tube 9 may take any suitable size, shape, or configuration and be made of any suitable material. The by-pass tube 9 may be connected to the container 1 (and 2) by any suitable means at any suitable location. For instance, the by-pass tube 9 of similar material as the container 1 (and 2) may be formed in the shape of a spiral, sphere, or ellipse and is connected to the reservoir 6 (and 7) . The by-pass tube 9 may be part of any component of thedelivery system 20. For example, the by-pass tube 9 may be integrated in the container 1 (and 2) and/or in thewick 5. The by-pass tube 9 may have one or more by-pass tube opening 15 (and 17) which allow fluid communication with the container 1 (and 2) without loss due to leaking or vaporization. For example, thevolatile material 8 may flow by gravity after inversion from theupper reservoir 6 to thelower reservoir 7 via the by-pass tube 9 and/or the at least onewick 5. The by-pass tube opening 15 (and 17) may be located anywhere on the surface of the container 1 (and 2) and may be located in such a manner as to allow the formation of a unit dose chamber 11 (and 12), located in the interior space of fluid reservoir 6 (and 7) between the wick opening 18 (and 19) and the by-pass tube opening 15 (and 17), for delivery of the optionally uniform, temporary boost level emission. The by-pass tube 9 may surround thewick 5 so as to protect thewick 5 from physical tampering or damage if thedelivery system 20 is inverted and/or toppled from its upright position. This configuration aids in protecting children from unwanted or direct exposure to thevolatile material 8 by discouraging contact with thewick 5. -
FIGS. 5 a, 5 b, 5 c depict another non-limiting embodiment of a volatilematerial delivery system 20.FIG. 5 a depicts the exterior surface of a single integrated container 1 having one ormore vent openings 35 on the integrated container 1. The one ormore vent openings 35 allow the volatile material (not shown) to be emitted or delivered from the wick (not shown) to the atmosphere of the room or rooms that require treatment. Optionally, an adjustable vent (not shown) may be added to the container 1 of thedelivery system 20 so that the width of the one ormore vent openings 35 may be made adjustable and/or closeable. This allows the maintenance and boost level emission rates to be controlled by the consumer. The adjustable vent (not shown) may be made of any suitable material, be of any suitable size or shape, and be located anywhere on or within thedelivery system 20. For example, a consumer may open, partially open, partially close, or close the one ormore vent openings 35 by moving the adjustable vent (not shown) such that the desired amount of emission is delivered to the location needing treatment. -
FIG. 5 b depicts a non-limiting embodiment of aevaporative surface device 40 having awick 5, a wick fitting 3 (and 4), a wick fitting opening 43 (and 44), an optional wick fitting vent hole 27 (and 28), and a wick fitting flange 31 (and 32). All components of theevaporative surface device 40, may be made of any suitable material, and be of any suitable size, shape, or configuration. Each end of the at least onewick 5 may sealably fit into the wick fitting opening 43 (and 44) of the wick fitting 3 (and 4) so as to allow for fluid communication between fluid reservoirs (not shown) via thewick 5 but reduce unwanted leakage of the volatile material (not shown) from around the wick fitting opening 43 (and 44), the wick openings (not shown), or the container (not shown) during use or storage. -
FIG. 5 c depicts a cross-section of another non-limiting embodiment having a single integrated container 1 having twofluid reservoirs pass tubes wick 5. In this embodiment, the by-pass tube 9 (and 10) is configured within the interior of the single integrated container 1 in such a manner as to create a convenient concave hand hold for ease of placement of thedelivery system 20 and to provide protection of thewick 5 from damage during inversion and/or if thedelivery system 20 toppled from its upright position. The unit dose chamber 11 (and 12) is located within the fluid reservoir 6 (and 7) of the single integrated container 1. The one unit dose chamber 11 (and 12) can havewalls 23 and 24 (25 and 26) in the shape of a cup with an open end 21 (and 22) for collection of thevolatile material 8 when thedelivery system 20 is inverted. The unit dose chamber 11 (and 12) may contain at least some of thevolatile material 8 at anytime, especially immediately after inversion. Thevolatile material 8 may flow by gravity or by non-aerosol pump (not shown) via the by-pass tube 9 (and 10) and/or thewick 5 to the opposing fluid reservoir (6 or 7). The at least one wick opening 18 (and 19) allows penetration of thewick 5 to the fluid reservoir 6 (and 7) . The unitdose chamber walls 23 and 24 (25 and 26) may extend above the by-pass tube openings 14 and 15 (16 and 17) inside the at least one fluid reservoir 6 (and 7) when in the upright position or they may be at or below these openings depending on the at least onewick 5 loading requirements. The wick fitting bracket 36 (and 37) may be located in any suitable location on the integrated container 1 so as to accept and provide for a tight seal with the wick fitting 3 (and 4) and thewick 5. The wick fitting 3 (and 4) may be configured to tightly hold thewick 5 as it is placed in the wick fitting bracket 36 (and 37), which may be made to sealably enclose the wick fitting 3 (and 4) and/or thewick 5 to minimize leakage of thevolatile material 8 at or from either or both the junctions of the wick fitting 3 (and 4) and thewick 5 or the wick fitting 3 (and 4) and the wick fitting bracket 36 (and 37). -
FIG. 6 depicts a cross-section of another non-limiting embodiment of a volatilematerial delivery system 20 having twocontainers 1 and 2 which are opposedly-connected and fluidly-connected to each other via the at least one by-pass tube 9, and/or the at least onewick 5. For example, the by-pass tube 9 may be incorporated within thewick 5 itself. It can be located near but not in physical contact with thewick 5 or it can actually be in physical contact thewick 5. One or more by-pass tube opening 15 (and 17) may be located anywhere within thewick 5, the reservoir 6 (and 7), and/or the container 1 (and 2) of thedelivery system 20. For example, the by-pass tube 9 can enter the same wick opening 18 (and 19) as thewick 5 but can be made longer and be positioned away from thewick 5 so as to act as an alternative fluid reservoir for collectingvolatile material 8 when and if thedelivery system 20 is inverted and/or toppled. In another example, the by-pass tube opening 15 (and 17) may be integrated within the wick opening 18 (and 19) such that both the by-pass tube 9 and thewick 5 pass through the same opening. In this case, only one seal (not shown) may be needed to prevent excessvolatile material 8 from escaping thedelivery system 20 during the boost level emission mode. This will reduce the costs of manufacture and reduce the potential for seal failure or leakage. The by-pass tube 9 also may be made ofwick 5 material by simply creating a cavity within thewick 5 itself. There can be more than one by-pass tube 9 and/or wick opening 15 (and 17) in the same reservoir 6 (and 7) and/or in thesame wick 5. -
FIG. 7 a depicts the cross-section of another non-limiting embodiment of adelivery system 20 in the maintenance level emission mode. Thedelivery system 20 has tworeservoirs pass tubes wick 5, and at least one multi-phase volatile material comprised of two or more separate anddistinct phases lower fluid reservoir 79. The separate anddistinct phases fluid reservoir 79 to the at least onewick 5 in any suitable order or sequence. For example, thewick 5 may draw and deliver both phases in equal amounts from the reservoir 79 (and 80) to the atmosphere; and preferentially deliverphase 61 quicker thanphase 83, and vice versa. Any other method that causes thewick 5 to preferentially draw and deliver fluid from one of the desired phases at a rate greater than that of the other at rest or equilibrium may be used. For example, the length of the at least onewick 5 may be configured or height positioned within thefluid reservoir 80 such that it preferentially drawsphase 61 during the maintenance level emission while at the same time not drawing onphase 83. Other means of providing differential uptake by the wick include, but are not limited to: providing different wick material types and/or designs, and adjusting the chemical properties of the different phases in the multi-phase volatile composition to modify uptake on thewick 5. -
FIG. 7 b depicts thedelivery system 20 in the boost level emission mode. When a boost level emission is desired, the consumer inverts thedelivery system 20. Upon inversion, the lower fluid reservoir 79 (ofFIG. 7 a) becomes theupper fluid reservoir 79 ofFIG. 7 b. Whereupon, at least some of the multi-phase volatile material is collected in theunit dose chamber 80 while the excess multi-phase volatile material begins to drain to thelower fluid reservoir 78 viainlet openings pass tubes pass tube openings unit dose chamber 80 and/or the at least onewick 5 with a desired fluid phase. - The character, as well as, the intensity of the multi-phase volatile material perceived by the consumer during the boost level emission may change upon mixing and/or displacement of the
separate phases unit dose chamber 80. Any suitable physical property or characteristic of the multi-phasevolatile material 78 may be used to separate and preferentially load the at least onewick 5 with the desired phase. - The density of the at least two separate and distinct phases of the multi-phase volatile material may control how and when a particular volatile material phase is delivered to the
wick 5. For example, though a lessdense phase 61 may enter the by-pass tubes dense phase 83, the moredense phase 83 may actually displace some or all of the lessdense phase 61 in theunit dose chamber 80 given the proper configuration and/or conditions. When a portion of the moredense phase 83 displaces a portion of the lessdense phase 61 in theunit dose chamber 80, the displaced lessdense phase 61 may then be drained back to thelower fluid reservoir 78. During the boost level emission mode, the moredense phase 83 is preferentially delivered to thewick 5 and emitted to the atmosphere over the lessdense phase 61. Thus, the same multi-phase volatile material at the maintenance level emission mode may exhibit a different character and/or intensity during the boost level emission mode. - Similarly, the viscosity of the at least two separate and distinct phases of the multi-phase volatile material (not shown) may control how and when a particular volatile material phase is delivered to the wick. For example, at equilibrium during the maintenance level emission, the wick may be located at a specific height or in a specific position in the lower fluid reservoir so as to draw from the more viscous phase of the two or more volatile materials. Upon mixing during the boost level emission, the lower fluid reservoir becomes the upper fluid reservoir. Since the less viscous phase may flow faster than the more viscous volatile material, the unit dose chamber may be first filled with the less viscous phase. The more viscous volatile material, being slightly less or of similar density with the less viscous phase, is directed to the by-pass tubes and collected by the lower fluid reservoir via gravity. Thus, during the boost level emission mode, the less viscous volatile material is preferentially delivered to the wick and emitted to the atmosphere over the more viscous phase.
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FIG. 8 a depicts the cross-section of another non-limiting embodiment of the volatilematerial delivery system 20 having at least onesecondary wick 38. The at least onesecondary wick 38 may be loaded withvolatile material 8 at any time, for example, upon inversion of thedelivery system 20 or by non-aerosol pump to deliver a boost level emission. Thesecondary wick 38 may aid in the delivery of an increased intensity ofvolatile material 8 to the atmosphere by increasing the evaporative surface area during the boost level emission mode. Thesecondary wick 38 made of any suitable material in any suitable size, shape, or configuration. For example, thesecondary wick 38 may in the shape of a flat washer, hollow ring, or doughnut, extending at least partially within the at least one fluid reservoir 6 (and 7) such as, just beyond the junction of the at least onewick opening secondary wick 38 may also be extended to any position within the fluid reservoir 6 (and 7), such as, to the full length of the interior fluid reservoir 6 (and 7) cavity, perhaps even touching the interior surface of the container base 33 (and 34). In this example, thesecondary wick 38 may be in physical contact with theprimary wick 5. -
FIG. 8 b depicts the cross-section of another non-limiting embodiment of the volatilematerial delivery system 20 having at least onesecondary wick 39 not in physical contact with theprimary wick 5. -
FIG. 8 c depicts the cross-section of another non-limiting embodiment of amultiple delivery system 100 having a plurality of individual delivery systems. For example, thedelivery system 100 may comprise of a plurality ofseparate containers Containers containers single delivery system 100 or housing (not shown). Each pair ofcontainers reservoirs reservoirs pass tube openings 109 and 111, (110 and 112) that fluidly-connects the opposing reservoir pairs as described above. In this embodiment, different volatile materials may be provided in each of the fluid reservoir pairs. For example,volatile material 117 may be provided inreservoir pair volatile material 118 may be provided inreservoir pair - The position, location, size, shape, and configuration of the individual wick 105 (and 106) may vary according to the requirements of each individual delivery system housed in the
multiple delivery system 100. For example,wick 105 may be positioned inreservoir 116 so that thewick 105 extends the full length of theinterior fluid reservoir 116 cavity ofcontainer 101 while thewick 105 extends only partially within theinterior fluid reservoir 113 cavity ofcontainer 102. Similarly,wick 106 may be positioned inreservoir 114 so that thewick 106 extends the full length of theinterior fluid reservoir 114 cavity ofcontainer 103 while thewick 106 extends only partially within theinterior fluid reservoir 115 cavity ofcontainer 104. - In this configuration, a different fragrance may be emitted from each individual delivery system during the two separate maintenance level emission modes. In the first maintenance level emission mode (A),
wick 105 is immersed involatile material 118 while at thesame time wick 106 is non-immersed involatile material 117. Thus, only wick 105 is active, emittingvolatile material 118 via capillary action. When the boost level emission mode is desired, themultiple delivery system 100 is inverted. Thelower fluid reservoirs wicks volatile material - In the second maintenance level emission mode (B),
wick 106 is immersed involatile material 117 while at thesame time wick 105 is non-immersed involatile material 118. Thus, only wick 106 is active, emittingvolatile material 117 via capillary action. Thus, the character of the boost level emission is different than both maintenance level emissions (A) and (B) which may be in turn be different in character from themselves. -
FIG. 9 a, 9 b, 9 c, and 9 d depict the cross-sections other non-limiting embodiments having a single container 1, at least onefluid reservoir 6 and at least onedosing tube 45 in the maintenance level emission mode. When the boost level emission mode is desired, the inversion of thedelivery system 20 inFIG. 9 a is required to load and/or doses thewick 5 with avolatile material 8. Thewick 5 is at least partially located inside the at least onefluid reservoir 6 and is fluidly-connected to at least some of thevolatile material 8 that is stored in the at least onefluid reservoir 6. Upon inversion, the dosing tube inlet opening 49 collects thevolatile material 8, located within thefluid reservoir 6, in thedosing tube 45, which becomes at least partially filled with thevolatile material 8. When thedelivery system 20 is returned to the upright position by being placed back on itscontainer base 34, at least some portion of thevolatile material 8 is collected by thedosing tube 45. The collected portion ofvolatile material 8 then flows by gravity to thewick 5 via the dosing tube outlet opening 51 which is physically and/or fluidly-connected to thewick dosing chamber 54 which in turn is physically and/or fluidly-connected to thewick 5 and/or the at least onesecondary wick 38. Thewick dosing chamber 54 allows thevolatile material 8 to wet thewick 5 and thesecondary wick 38 with at least some of thevolatile material 8 collected in thedosing tube 45 after inversion for delivery of the boost level emission. It should be noted that delivery of the maintenance level emission in this embodiment requires no mechanical action, such as inversion. The capillary loading of thewick 5 automatically returns after inversion. The capillary action automatically may continue until thedelivery system 20 is substantially exhausted of thevolatile material 8 by the emission processes. - Like the embodiment of
FIG. 9 a, the embodiment ofFIGS. 9 b and 9 c also require no mechanical step to deliver the maintenance level emission. However, unlike the previous embodiment, the boost level emission is accomplished by loading thewick 5 and/or secondary wick 38 (and 39) withvolatile material 8 via asqueezable bladder 47 ornon-aerosol pump 48.FIG. 9 b uses thesqueezable bladder 47, which draws at least somevolatile material 8 from thefluid reservoir 6 of container 1 via the dosingtube inlet opening 49. Thevolatile material 8 is collected in thedosing tube 45 and is collected in thebladder 47 via thebladder inlet opening 52 and is discharged to thedosing tube 46 via thebladder outlet opening 53 when the bladder is squeezed. Thewick 5 and the optional secondary wick material (not shown) may be loaded or dosed according to the method described above inFIG. 9 a. - Like the embodiment of
FIG. 9 b, the embodiment ofFIG. 9 c uses the same delivery concept except thesqueezable bladder 47 is replaced with anon-aerosol hand pump 48. Thenon-aerosol hand pump 48, havingpump inlet opening 56 andpump outlet opening 55, may be of any suitable type, size, shape, and/or dimension having a suitable pump head such that at least somevolatile material 8 is delivered to thewick 5 and/or thesecondary wick -
FIG. 9 d depicts the cross-section another non-limiting embodiment of adelivery system 20 having twoseparate containers 1 and 50. Thewick 5 is fluidly-connected to thevolatile material 8 stored in thefluid reservoir 6 via thesealable wick opening 18. A maintenance level emission is provided by capillary action of thevolatile material 8 via the at least onewick 5 to the atmosphere. Thewick 5 may be of any suitable size or length and may extend within thereservoir 6 to the interior surface of thecontainer base 34.Container 50 is fluidly connected to container 1 via adosing tube 46.Container 50 may comprise adosing funnel 71, adosing diffuser 72, acollection base 73, asecondary fluid reservoir 57, and asecondary wick 38. When a boost level emission is desired, thevolatile material 8 of container 1 may be delivered to thesecondary wick 38 ofcontainer 50 by any suitable means. Thevolatile material 8 is delivered to thedosing tube 46 via the dosingtube inlet opening 49. Thevolatile material 8 enterscontainer 50 via the dosing tube outlet opening 51 where it is collected by andosing funnel 71, which directs thevolatile material 8 to thedosing diffuser 72, which delivers thevolatile material 8 to thesecondary wick 38. Thesecondary wick 38 is fluidly connected to thedosing diffuser 72 and thedosing funnel 71. Thesecondary wick 38 may also be fixedly connected to thedosing diffuser 72 and thecontainer base 73 via any suitable connection. - The
secondary wick 38 may be any suitable size or shape. For example, the secondary wick may be in the shape of a hollow cup, sphere or ring wherein thevolatile material 8 flows by gravity from thedosing diffuser 72 through thesecondary wick 38 to thecontainer base 73. Thesecondary wick 38 may comprise from any suitable surface area. For example, a suitable surface area may range from about 1 to about 100 times, or from about 1 to about 50 times, or from about 1 to about 20 times, or from about 1 to about 5 times more surface area than the at least onewick 5. The increase in wick surface area may be provided by any suitable means, such as by varying the pore size of the wick material or by pleating or folding the wick material. - Like the embodiments in
FIGS. 9 a, the embodiment ofFIG. 9 d may initiate the boost level emission by inversion (or by any other suitable means) of container 1 such thatvolatile material 8 is delivered to thesecondary wick 38 for boost level emission. Excessvolatile material 8 that is not collected onto thesecondary wick 38 after being delivered via thedosing diffuser 72 may be collected in thesecondary fluid reservoir 57, which is fluidly connected to thesecondary wick 38. Thesecondary wick 38 may also be a porous solid, having an optional secondaryfluid reservoir 57. The porous solid may absorb excessvolatile material 8 not immediately emitted from thesecondary wick 38 itself. The boost level emission will last until all of thevolatile material 8 evaporates. For example, all thevolatile material 8 that is loaded onto thesecondary wick 38 or that is stored in thesecondary fluid reservoir 57 will be delivered to the atmosphere via evaporation during the boost level emission. -
FIGS. 10 a and 10 b depict the cross-sections another non-limiting embodiment of adelivery system 120 having an adjustable, high-surface area wick 58 that can deliver more or lessvolatile material 8 to the atmosphere depending on the amount of surface area exposed to the atmosphere.FIG. 10 a represents thedelivery system 120 at the equilibrium state wherein the least amount of surface area of thewick 58 is exposed to the atmosphere. Thespring 75 is uncompressed in its equilibrium state. In the folded position at equilibrium, thewick 58 provides the maintenance level emission. - In certain embodiments, the
delivery system 120 comprises a wick spring assembly comprising an adjustable, high-surface area wick 58, awick retraining ring 60, aspring 75, an optional damping device (not shown), a spring restraining device (not shown), optionally, a perforatedprotective shell 121, and at least onelever 122 for compressing thespring 75 via thewick restraining ring 60. The perforatedprotective shell 121 may be made of any suitable material in any size, shape, or configuration so as to allow for unrestricted emission flow of volatile material via the perforations (not shown), which may be any suitable size, shape or configuration. For example, the perforations (not shown) may be a plurality of slots. The perforatedprotective shell 121 may provide for avertical slot 123 that allows thelever 122, which is attached to thewick restraining ring 60, to travel the full length required forspring 75 compression. The wick spring assembly allows the consumer to configure or adjust the exposed surface areas ofwick 58 in order to vary the intensity of the boost level emission. While using thelever 122 to compress thespring 75, the consumer may deliver the boost level emission without having to invert thedelivery system 120. -
FIG. 10 b represents thedelivery system 120 in the maximum boost level mode. Here the greatest amount of surface area of thewick 58 is exposed to the atmosphere. Thespring 75 is fully compressed. Thewick 58 may be made of any suitable material in any suitable shape or size such that when it is unrestrained, it opens or unfolds to expose its greatest surface areas to the atmosphere. As thespring 75 gradually returns to its equilibrium length, the surface area of the wick is reduced by thewick restraining ring 60. The optional spring damping device (not shown) will allow variable boost level emission durations to be provided. When the wick spring to its equilibrium state, the boost level emission mode ceases and the maintenance level emission mode automatically returns. Thus, the duration and intensity of the boost level emission may be controlled by the consumer by simply depressing thelever 122 to the desired position. -
FIG. 11 depicts the cross-section of another non-limiting embodiment of adelivery system 20 having astability cradle 62. Thestability cradle 62 may be made of any suitable material having any suitable size, shape, or configuration, such that thedelivery system 20 is at least partially stabilized in a suitable dispensing position (for example, an upright positions) once placed in thestability cradle 62. The upright position in this case refers to any inclination greater than 45 degrees from vertical in any direction. For example, thestability cradle 62 made be made of wood, metal, plastic and/or glass and may optionally have a recessedarea 63 which when in contact with the at least onecontainer base 34 adds at least some stability to thedelivery system 20. Thestability cradle 62 allows consumers the convenience of identifying a setting for thedelivery system 20 in any room or location needing treatment (for example, living room, kitchen, bathroom, garage, backyard, etc.). Thestability cradle 62 may allow for decorative items to be placed onto the structure in order to allow the consumer to personalize thedelivery system 20. For example, a colored veneer may be selected having many different decorative colors available for color coordination. The decorative items may be attached anywhere on thestability cradle 62 and/ordelivery system 20 by any fastening means, such as fasteners, adhesives, lock and key devices, etc. -
FIG. 12 depicts the cross-section of another non-limiting embodiment of adelivery system 20 having at least oneballast 63 which may be made of any suitable material in any size, shape, or configuration, so as to provide at least some stability against overturning once thedelivery system 20 is overturned by touching, shaking, unleveling toppling, or otherwise. Suitable forms of suitable ballast materials include, but are not limited to: solids, liquids, gels, powders, granules, and combinations thereof. For example, theballast 63 may comprise any suitable material having any suitable weight in order to reduce overturning of thedelivery system 20. Theballast 63 may be attached to thedelivery system 20 and/or the container 1 (and 2) in any suitable manner (for example, fixed, non-fixed, etc). Theballast 63 may be removably attached to allow adjustment on thedelivery system 20. Thus, theballast 63 may be positioned and/or repositioned on the container 1 (and 2) in any suitable configuration and by any suitable means. For example, the consumer may attach theballast 63 to thelower container 2 after inversion. Alternatively, the manufacturer may attach theballast 63 so that it may automatically be repositioned from the upper container 1 to thelower container 2 by the action of gravity when the atdelivery system 20 is inverted. - The
ballast 63 may be connected to the at least one container via any suitable mechanism, for example a sliding mechanism. Theballast 64 may freely move along a longitudinal axis of thedelivery system 20 by gravity, for example, by sliding along the by-pass tube 9 (and 10) via anattachment device 65, such as a ring. Alternatively, theballast 64 may be physically relocated, without sliding, for example, by clipping theballast 64 to any portion of thedelivery system 20, such as to thelower container base 34 or to the by-pass tube 9 (and 10), before, during, or after the inversion process. Asuitable attachment device 65 can be made of any suitable material in any suitable size, shape, or configuration. For example, theattachment device 65 may be a clamp, clip, ring, string, tie, adhesive material, friction fitting, magnet, and combinations thereof. The at least oneballast 63 may also be attached and/or connected to the at least one container 1 (and 2) in a fixed position. In one non-limiting embodiment, the ballast (not shown) may be in the form of sand or a ball bearing that is housed in a component of thedelivery system 20. -
FIG. 13 a depicts a perspective view of another non-limiting embodiment of adelivery system 20 having four by-pass tubes wick 5. When overturned over, the by-pass tubes delivery system 20.FIG. 13 b shows the top view of thedelivery system 20 ofFIG. 13 a. This configuration aids in stabilizing thedelivery system 20 after toppling from the upright position.FIG. 13 c shows the cross-section view (A-A) through the by-pass tubes -
FIG. 14 depicts a perspective view of another non-limiting embodiment of adelivery system 20 having anexternal frame 69 having at least oneballast 70. Theexternal frame 69 may be made of any suitable material and configured in any suitable size or shape. Theexternal frame 69 may be removeably attached to thedelivery system 20 by any suitable means. Theballast 70 may also be removably attached to theexternal frame 69. Thedelivery system 20 may be easily removed from theexternal frame 69 and inverted by the consumer before reattaching. Alternatively, thedelivery system 20 may be inverted in place. For example, theexternal frame 69 may provide a means to invert thedelivery system 20 by providing a pivoting arm (not shown) which allows the consumer to simply invert thedelivery system 20 by pushing on the container 1 (and 2). Theballast 70 may be removed after thedelivery system 20 and reattached to theexternal frame 69 as needed, for example, for cleaning. -
FIG. 15 a depicts a cross-section of adelivery system 20 comprising another wick spring assembly mechanism. The wick spring assembly comprises at least oneretractable wick 86, at least onespring 87, at least onespring adjuster 88, an optional damping device (not shown), and a spring restraining device (not shown). Like the embodiment ofFIG. 10 a, the maintenance level emission mode occurs at the equilibrium state where the least amount of surface area of theretractable wick 86 is exposed to the atmosphere. At equilibrium, theretractable wick 86 is immersed in thevolatile material 8 contained in thefluid reservoir 6 of the container 1. In this case, thewick spring assembly 75 would be compressed in the equilibrium state. - When a boost level emission is desired, more surface area of the
retractable wick 86 is exposed to the atmosphere. For example, the consumer may increase the wick surface area by pulling up on thespring adjuster 88 to the desired length and thereby exposing moreretractable wick 86 surface area to the atmosphere than is exposed at equilibrium. When theretractable wick 86 is fully extended, thewick spring 75 is uncompressed. Thevolatile material 8 emission rate increases as a function of the amount of wick surface area exposed. The more surface area exposed, the higher the boost level emission rate. Thus, the consumer has the ability to control perceived intensity levels during the boost level emission mode by varying the amount ofretractable wick 86 surface area exposed. As thewick spring assembly 75 gradually compresses back to the equilibrium state, theretractable wick 86 is returned to thefluid reservoir 6 of container 1 where it is again immersed in and reloaded with thevolatile material 8. Thus, the boost level emission may be uniformly delivered, being repeated as many times as necessary by the consumer until thevolatile material 8 is exhausted. - Any other suitable means of increasing the intensity of the boost level emission is also useful. For example, in certain other embodiments, the volatile material in the delivery system may be in the form of a gel or liquid gel (not shown). In such a case, the wick may be modified to facilitate the loading of the volatile gel composition onto the wick, the spring itself, and/or onto a suitable delivery device such as, paddles, which can be attached onto or adjacent to the wick spring. The gel-laden wick spring itself and/or the delivery device can provide the means to deliver boost level emission. At equilibrium, evaporation of the volatile gel composition from off the top layer surface of the wick and/or volatile gel material would provide the maintenance level emission mode. Conversely, as the gel-laden wick spring is extended away from the container in the uncompressed mode (similar to the embodiment of
FIG. 15 b), more surface area evaporation of the volatile gel material would occur. As the wick spring gradually returns to equilibrium, the boost level emission would automatically cease while the maintenance level emission would automatically return. - In other alternative embodiments, the delivery system can comprise a kit containing a bundle or packs of one or more volatile materials. Any of the foregoing embodiments may be used in supplying consumers with their initial product(s), as well as with refills for the same. In certain non-limiting embodiments, the delivery system may comprise supplying consumers with a choice of different types of volatile materials (for example, a fragrance composition, a malodor reducing composition, an insecticide, a mood enhancer composition, or combinations thereof) other than, or in addition to, the volatile materials sold in the initial product(s).
- The disclosure of all patents, patent applications (and any patents which issue thereon, as well as any corresponding published foreign patent applications), and publications mentioned throughout this description are hereby incorporated by reference herein. It is expressly not admitted, however, that any of the documents incorporated by reference herein teach or disclose the present invention.
- It should be understood that every maximum numerical limitation given throughout this specification would include every lower numerical limitation, as if such lower numerical limitations were expressly written herein. Every minimum numerical limitation given throughout this specification will include every higher numerical limitation, as if such higher numerical limitations were expressly written herein. Every numerical range given throughout this specification will include every narrower numerical range that falls within such broader numerical range, as if such narrower numerical ranges were all expressly written herein.
- While particular embodiments of the subject invention have been described, it will be obvious to those skilled in the art that various changes and modifications of the subject invention can be made without departing from the spirit and scope of the invention. In addition, while the present invention has been described in connection with certain specific embodiments thereof, it is to be understood that this is by way of illustration and not by way of limitation and the scope of the invention is defined by the appended claims which should be construed as broadly as the prior art will permit.
Claims (17)
1. A method of releasing at least one volatile material to the atmosphere, the steps of said method comprise (a) providing an energized volatile material delivery system, and (b) delivering a continuous maintenance level emission of at least one volatile material, and/or a temporary boost level emission of at least one volatile material, wherein said delivery system uses an energy source selected from the group consisting of heat, gas, and electrical current, and wherein said at least one volatile material is not mechanically delivered by an aerosol, and further, wherein said evaporative surface device is dosed by the consumer using one or more of the following means: inversion, pumping, spring-action, shaking, swiveling, agitation, bumping, moving, oscillating, rotating, rocking, stirring, swinging or vibrating.
2. The method of claim 1 , wherein said delivery system uses a heating element.
3. The method of claim 1 , wherein said delivery system uses an electrically powered fan.
4. The method of claim 1 wherein said delivery system uses both a heating element and an electrically powered fan.
5. The method of claim 4 , wherein either said heating element or said fan is used to provide said temporary boost level emission.
6. An energized volatile material delivery system comprising at least one volatile material, wherein said delivery system provides a continuous maintenance level emission of at least one volatile material and/or a temporary boost level emission of at least one volatile material, wherein said delivery system comprises:
a) at least one container comprising at least one fluid reservoir;
b) at least one evaporative surface device opening located in said at least one container having at least some longitudinal exposure; and
c) at least one evaporative surface device which is at least partially located in said at least one evaporative surface device opening and in said at least one fluid reservoir; wherein said at least one evaporative surface device is fluidly connected to said volatile material;
wherein said delivery system uses a source of heat, gas, or electrical current, and wherein said at least one volatile material is not mechanically delivered by an aerosol, and further, wherein said container has an additional fluid reservoir that provides a time controlled release of said volatile material to the evaporative surface.
7. An energized volatile material delivery system comprising at least one volatile material, wherein said delivery system provides a continuous maintenance level emission of at least one volatile material and/or a temporary boost level emission of at least one volatile material, wherein said delivery system comprises:
a) at least one container comprising at least one fluid reservoir;
b) at least one wick opening located in said at least one container having at least some longitudinal exposure; and
c) at least one wick which is at least partially located in said at least one wick opening and in said at least one fluid reservoir; wherein said at least one wick is fluidly connected to said volatile material;
wherein said delivery system uses a source of heat, gas, or electrical current, and wherein said at least one volatile material is not mechanically delivered by an aerosol, and further, wherein said wick is an aligned fibers wick.
8. The method of claim 7 , wherein said aligned fibers wick comprises a polyester/polyolefin blend.
9. The method of claim 7 , wherein said wick has an average density of from about 0.1 g/cm3 to about 0.2 g/cm3.
10. The method of claim 7 , wherein said wick has an average density of from about 0.12 g/cm3 to about 0.18 g/cm3.
11. The method of claim 7 , wherein said wick has an average density of about 0.14 g/cm.
12. The method of claim 7 , wherein said volatile material delivery system is dosed by the consumer using one or more of the following means: inversion, pumping, spring-action, shaking, swiveling, agitation, bumping, moving, oscillating, rotating, rocking, stirring, swinging or vibrating.
13. The method of claim 7 , wherein said aligned fibers wick is wrapped with a porous material or a membrane.
14. The method of claim 7 , wherein said wick is hollow.
15. The method of claim 7 , wherein said aligned fibers wick has concentrically annular areas of different densities.
16. The method of claim 15 , wherein said aligned fibers wick has an inner concentrically annular area of different density and an outer concentrically annular area of different density, wherein said inner area has a lower density than said outer area.
17. The method of claim 15 , wherein said aligned fibers wick has an inner concentrically annular area of different density and an outer concentrically annular area of different density, wherein said inner area has a higher density than said outer area.
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US11/401,202 US20060233538A1 (en) | 2005-04-14 | 2006-04-10 | Energized systems and devices for delivering volatile materials |
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US8435631B2 (en) | 2010-04-15 | 2013-05-07 | Ppg Industries Ohio, Inc. | Microporous material |
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US9861719B2 (en) | 2010-04-15 | 2018-01-09 | Ppg Industries Ohio, Inc. | Microporous material |
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Also Published As
Publication number | Publication date |
---|---|
CN101160142A (en) | 2008-04-09 |
CA2603547A1 (en) | 2006-10-26 |
WO2006113253A1 (en) | 2006-10-26 |
EP1871431A1 (en) | 2008-01-02 |
MX2007012893A (en) | 2007-12-10 |
JP2008537697A (en) | 2008-09-25 |
KR20070120143A (en) | 2007-12-21 |
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