DE2642032C2 - - Google Patents

Info

Publication number
DE2642032C2
DE2642032C2 DE2642032A DE2642032A DE2642032C2 DE 2642032 C2 DE2642032 C2 DE 2642032C2 DE 2642032 A DE2642032 A DE 2642032A DE 2642032 A DE2642032 A DE 2642032A DE 2642032 C2 DE2642032 C2 DE 2642032C2
Authority
DE
Germany
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.)
Expired
Application number
DE2642032A
Other versions
DE2642032A1 (de
Inventor
Klaus Prof. Dipl.-Chem. Dr. Unger
Horst Dipl.-Chem. 6100 Darmstadt De Kramer
Herbert Prof. Dr. Rupprecht
Wolfgang 8000 Muenchen De Kircher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19762642032 priority Critical patent/DE2642032A1/de
Priority to GB38346/77A priority patent/GB1588137A/en
Priority to JP52111164A priority patent/JPS6045223B2/ja
Priority to US05/834,024 priority patent/US4169069A/en
Priority to FR7728039A priority patent/FR2364686A1/fr
Priority to ES462424A priority patent/ES462424A1/es
Priority to SE7710397A priority patent/SE436468B/xx
Priority to CH1142477A priority patent/CH633975A5/de
Publication of DE2642032A1 publication Critical patent/DE2642032A1/de
Application granted granted Critical
Publication of DE2642032C2 publication Critical patent/DE2642032C2/de
Granted legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1611Inorganic compounds
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/26Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
    • A01N25/28Microcapsules or nanocapsules
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1641Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5031Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/06Making microcapsules or microballoons by phase separation
    • B01J13/14Polymerisation; cross-linking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2989Microcapsule with solid core [includes liposome]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Organic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Preparation (AREA)
  • Silicon Polymers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE19762642032 1976-09-18 1976-09-18 Siliciumdioxidhaltige zubereitungen und verfahren zu ihrer herstellung Granted DE2642032A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE19762642032 DE2642032A1 (de) 1976-09-18 1976-09-18 Siliciumdioxidhaltige zubereitungen und verfahren zu ihrer herstellung
JP52111164A JPS6045223B2 (ja) 1976-09-18 1977-09-14 二酸化珪素含有組成物及びその製造方法
GB38346/77A GB1588137A (en) 1976-09-18 1977-09-14 Silicon dioxide-containing compositions
FR7728039A FR2364686A1 (fr) 1976-09-18 1977-09-16 Compositions contenant de l'anhydride silicique et procede pour leur preparation
US05/834,024 US4169069A (en) 1976-09-18 1977-09-16 Silicon dioxide-containing compositions and process for their preparation and use
ES462424A ES462424A1 (es) 1976-09-18 1977-09-16 Procedimiento para la incorporacion dde sustancias activas excipientes.
SE7710397A SE436468B (sv) 1976-09-18 1977-09-16 Forfarande for inforlivande av terapeutiskt verksamma emnen i kiseldioxidhaltiga berarmaterial
CH1142477A CH633975A5 (de) 1976-09-18 1977-09-19 Verfahren zur inkorporierung von wirkstoffen in siliciumdioxidhaltige traegermaterialien.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762642032 DE2642032A1 (de) 1976-09-18 1976-09-18 Siliciumdioxidhaltige zubereitungen und verfahren zu ihrer herstellung

Publications (2)

Publication Number Publication Date
DE2642032A1 DE2642032A1 (de) 1978-03-30
DE2642032C2 true DE2642032C2 (de) 1987-04-30

Family

ID=5988241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762642032 Granted DE2642032A1 (de) 1976-09-18 1976-09-18 Siliciumdioxidhaltige zubereitungen und verfahren zu ihrer herstellung

Country Status (8)

Country Link
US (1) US4169069A (de)
JP (1) JPS6045223B2 (de)
CH (1) CH633975A5 (de)
DE (1) DE2642032A1 (de)
ES (1) ES462424A1 (de)
FR (1) FR2364686A1 (de)
GB (1) GB1588137A (de)
SE (1) SE436468B (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL188886C (nl) * 1978-07-26 1992-11-02 Duphar Int Res Granulair pesticide preparaat.
US4423041A (en) * 1979-06-25 1983-12-27 Johnson & Johnson Products, Inc. Detackifying compositions
US4341728A (en) * 1979-12-20 1982-07-27 The Population Council, Inc. Method for making an IUD with shrinking of a medicated attachment onto a support
JPS58208211A (ja) * 1982-05-28 1983-12-03 Chisso Corp 徐分解性香料を使用した芳香剤
DE3230736A1 (de) * 1982-08-18 1984-02-23 Herbert Prof. Dr. 8400 Regensburg Rupprecht An siliciumdioxid als traeger gebundene wirkstoffe, verfahren zu ihrer herstellung und ihre verwendung
US4579779A (en) * 1983-09-30 1986-04-01 Freund Industrial Co., Ltd. Method of encapsulating volatile organic liquids
GB8402637D0 (en) * 1984-02-01 1984-03-07 Beecham Group Plc Cosmetic
SE455836B (sv) * 1985-10-11 1988-08-15 Haessle Ab Beredning med kontrollerad frisettning innehallande ett salt av metoprolol samt metod for framstellning av denna beredning
SE450087B (sv) * 1985-10-11 1987-06-09 Haessle Ab Korn med kontrollerad frisettning av farmaceutiskt aktiva emnen som anbringats teckande pa ett kompakt olosligt kernmaterial
JPS6327502A (ja) * 1986-07-22 1988-02-05 Agency Of Ind Science & Technol シクロデキストリン−シリカ複合体及びその製造方法
US4995897A (en) * 1986-08-22 1991-02-26 Occidental Research Corporation Method of making inorganically crosslinked layered compounds
FR2611733B1 (fr) * 1987-02-26 1989-06-16 Rhone Poulenc Chimie Composition a base de gomme diorganopolysiloxane contenant de l'iode pour le traitement des eaux
FR2611735B1 (fr) * 1987-02-26 1989-06-16 Rhone Poulenc Chimie Composition elastomere silicone polyaddition contenant de l'iode pour le traitement de l'eau
EP0281034A3 (de) * 1987-02-26 1990-09-19 Tohru Yamamoto Aromatische Zusammensetzung und Verfahren zur Herstellung derselben
GB8704755D0 (en) * 1987-02-28 1987-04-01 Dow Corning Ltd Pharmaceutical delivery device
US5112612A (en) * 1987-06-05 1992-05-12 Unilever Patent Holdings B.V. Spheroidal silica
AT389465B (de) * 1987-08-18 1989-12-11 Kwizda Fa F Johann Verfahren zur bildung von mikrokapseln oder mikromatrixkoerpern
SE8703881D0 (sv) * 1987-10-08 1987-10-08 Haessle Ab New pharmaceutical preparation
WO1989011334A1 (en) * 1988-05-24 1989-11-30 Shionogi & Co., Ltd. Powdery or particulate composition having polymer coating and process for its production
JPH072278Y2 (ja) * 1988-11-21 1995-01-25 隆 君島 トラック用幌簡易昇降装置
US5185169A (en) * 1989-09-11 1993-02-09 Tohru Yamamoto Deodorant porous polymer and a deodorant fibrous material using the same
IL93134A (en) * 1990-01-23 1997-11-20 Yissum Res Dev Co Doped sol-gel glasses for obtaining chemical interactions
EP0487773B1 (de) * 1990-11-28 1994-05-11 Tohru Yamamoto Verwendung eines porösen Polymers als desodorierendes Material
JP2590653B2 (ja) * 1990-11-28 1997-03-12 松下電器産業株式会社 抗菌性複合体、その製造法、それを用いた樹脂およびコ−キング材
EP0680753A3 (de) * 1994-05-06 1996-08-28 Feinchemie Gmbh Sebnitz Metalloxidkomposit mit steuerbarer Wirkstoffabgabe.
US6102224A (en) * 1997-12-17 2000-08-15 Pepsico. Aroma release bottle and cap
DE69914515T2 (de) * 1998-02-06 2004-12-16 Seiwa Kasei Co., Ltd., Higashi-Osaka Mikrokapsel mit spezifischer Wand und Verfahren zur Herstellung
DE19810803A1 (de) * 1998-03-12 1999-09-16 Wacker Chemie Gmbh Verfahren zur Herstellung mikroverkapselter Produkte mit Organopolysiloxanwänden
JP4521792B2 (ja) * 1999-02-05 2010-08-11 株式会社成和化成 内包済微小カプセルを配合した化粧料
US6686035B2 (en) 1999-02-05 2004-02-03 Waters Investments Limited Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation
JP4979109B2 (ja) 2000-04-21 2012-07-18 ゾル−ゲル テクノロジーズ リミテッド 局所的有効成分の増強された配合安定性および送達を示す組成物
US7758888B2 (en) 2000-04-21 2010-07-20 Sol-Gel Technologies Ltd. Composition exhibiting enhanced formulation stability and delivery of topical active ingredients
US6528167B2 (en) * 2001-01-31 2003-03-04 Waters Investments Limited Porous hybrid particles with organic groups removed from the surface
US7250214B2 (en) * 2001-08-09 2007-07-31 Waters Investments Limited Porous inorganic/organic hybrid monolith materials for chromatographic separations and process for their preparation
BR0214184A (pt) * 2001-11-08 2004-10-13 Sol Gel Technologies Ltd Composições que contêm óleos que possuem gravidade especìfica mais alta que a gravidade especìfica da água
GB0202853D0 (en) * 2002-02-07 2002-03-27 Dow Corning Encapsulation process and encapsulated compositions
US6991852B2 (en) * 2002-03-13 2006-01-31 Regents Of The University Of Minnesota Silica-based materials and methods
US20040067247A1 (en) * 2002-09-27 2004-04-08 Xavier De Sloovere Composition for combating/repelling insects, birds, dirts and parasites
US20040062783A1 (en) * 2002-09-27 2004-04-01 Xavier De Sloovere Composition for combating insects and parasites
AU2003285121A1 (en) 2002-10-30 2004-06-07 Waters Investments Limited Porous inorganic/organic hybrid materials and preparation thereof
US20040215139A1 (en) * 2002-12-20 2004-10-28 Todd Cohen Apparatus and method for implanting left ventricular pacing leads within the coronary sinus
WO2004081222A2 (en) * 2003-03-14 2004-09-23 Sol-Gel Technologies Ltd. Agent-encapsulating micro- and nanoparticles, methods for preparation of same and products containing same
DE10311585A1 (de) * 2003-03-14 2004-09-23 Basf Ag Wirkstoffhaltige Adsorbate
EP2263788B1 (de) * 2003-07-31 2018-07-25 Sol-Gel Technologies Ltd. Eine verfahren zur herstellung von mikrokapseln die aktive stoff enthalten
GB2427611A (en) * 2004-02-17 2007-01-03 Waters Investments Ltd Porous hybrid monolith materials with organic groups removed from the surface
US10773186B2 (en) 2004-07-30 2020-09-15 Waters Technologies Corporation Porous inorganic/organic hybrid materials with ordered domains for chromatographic separations and processes for their preparation
JP5308665B2 (ja) * 2004-07-30 2013-10-09 ウオーターズ・テクノロジーズ・コーポレイシヨン クロマトグラフィー分離用の秩序領域を有する多孔質無機/有機のハイブリッド材料およびこれらの調製方法
US20060073205A1 (en) * 2004-10-04 2006-04-06 Kotoe Ohta Controlled release granules comprising porous silica core
JP5157444B2 (ja) * 2005-04-15 2013-03-06 日立化成株式会社 硬化促進性化合物−シリカ複合体、硬化促進性化合物−シリカ複合体の製造方法、硬化促進剤、硬化性樹脂組成物及び電子部品装置
JP5164840B2 (ja) * 2005-08-02 2013-03-21 ソル − ゲル テクノロジーズ リミテッド 水不溶性成分の金属酸化物被覆
US20080254082A1 (en) * 2005-09-27 2008-10-16 Sol-Gel Technologies Ltd. Methods for Crop Protection
JP5352891B2 (ja) * 2006-06-29 2013-11-27 住友化学園芸株式会社 害虫忌避剤
WO2008083092A2 (en) * 2006-12-28 2008-07-10 Dow Corning Corporation Polynuclear microcapsules
JP2010515804A (ja) 2007-01-12 2010-05-13 ウオーターズ・テクノロジーズ・コーポレイシヨン クロマトグラフ分離用多孔質炭素−ヘテロ原子−ケイ素ハイブリッド無機/有機材料およびその調製のための方法
MX352876B (es) * 2007-02-01 2017-12-13 Sol Gel Tech Ltd Metodo para preparar particulas que comprenden recubrimiento de oxido de metal y particulas con recubrimiento de oxido de metal.
ES2912051T3 (es) 2007-02-01 2022-05-24 Sol Gel Tech Ltd Composiciones para aplicación tópica que comprenden un peróxido y retinoide
WO2010003430A1 (en) * 2008-07-07 2010-01-14 Pethylation Gmbh Formulations with polycarbohydratesiloxane coatings, their production and use
CA2675093A1 (en) * 2008-08-08 2010-02-08 Michael L. Corrado Treatment of bed mite and bed bug infestations
US11439977B2 (en) 2009-06-01 2022-09-13 Waters Technologies Corporation Hybrid material for chromatographic separations comprising a superficially porous core and a surrounding material
JP6151021B2 (ja) 2009-06-01 2017-06-21 ウオーターズ・テクノロジーズ・コーポレイシヨン クロマトグラフ分離用ハイブリッド材料
JP5241039B2 (ja) * 2010-07-05 2013-07-17 株式会社成和化成 微小カプセル用壁膜、内包済み微小カプセルおよびその製造方法。
US20130112605A1 (en) 2010-07-26 2013-05-09 Waters Technologies Corporation Superficially porous materials comprising a substantially nonporous core having narrow particle size distribution; process for the preparation thereof; and use thereof for chromatographic separations
US9687465B2 (en) 2012-11-27 2017-06-27 Sol-Gel Technologies Ltd. Compositions for the treatment of rosacea
US11642653B2 (en) 2016-03-06 2023-05-09 Waters Technologies Corporation Hybrid material for chromatographic separations comprising a superficially porous core and a surrounding material

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800457A (en) * 1953-06-30 1957-07-23 Ncr Co Oil-containing microscopic capsules and method of making them
US3151969A (en) * 1960-11-15 1964-10-06 Ansul Co Pesticidal dust composition
US3279996A (en) * 1962-08-28 1966-10-18 Jr David M Long Polysiloxane carrier for controlled release of drugs and other agents
US3257330A (en) * 1963-03-25 1966-06-21 Owens Illinois Glass Co Colored, solid, substantially spherical gel particles and method for forming same
US3384680A (en) * 1963-04-08 1968-05-21 Boeing Co Curing epoxide resins with encapsulated shielded catalysts
US3551346A (en) * 1966-11-23 1970-12-29 Ncr Co Method of making dual wall capsules
DE1962039C3 (de) * 1969-02-05 1978-10-12 Th. Goldschmidt Ag, 4300 Essen Verfahren zur Stabilisierung von Siliconöl/Wasser-Emulsionen
US3598123A (en) * 1969-04-01 1971-08-10 Alza Corp Bandage for administering drugs
US3609937A (en) * 1969-09-23 1971-10-05 Estin Hans H Method for filling capsules
US3678756A (en) * 1969-09-23 1972-07-25 Hans W Estin Capsules and method for testing capsules for wall integrity
US3730905A (en) * 1971-06-04 1973-05-01 Goldschmidt Ag Th Method of enveloping the particles of a dispersed phase
DE2225973C2 (de) * 1972-05-27 1974-07-04 Merck Patent Gmbh, 6100 Darmstadt Verfahren zum Beschichten von nicht porösem Material mit einer porösen Siliciumdioxidschicht
CH573212A5 (en) * 1973-06-29 1976-03-15 Feller Marc Rech Tech Et Et Sc Delayed release agricultural formulations - of herbicide or insecticide absorbed on porous carrier and coed with isolating layer
DE2357184A1 (de) * 1973-11-16 1975-05-22 Merck Patent Gmbh Verfahren zur herstellung von organisch modifizierten siliciumdioxiden

Also Published As

Publication number Publication date
US4169069A (en) 1979-09-25
FR2364686A1 (fr) 1978-04-14
GB1588137A (en) 1981-04-15
FR2364686B1 (de) 1982-12-10
SE436468B (sv) 1984-12-17
ES462424A1 (es) 1978-12-16
JPS6045223B2 (ja) 1985-10-08
DE2642032A1 (de) 1978-03-30
JPS5337799A (en) 1978-04-07
SE7710397L (sv) 1978-03-19
CH633975A5 (de) 1983-01-14

Similar Documents

Publication Publication Date Title
JPS567587B2 (de)
JPS5310911U (de)
JPS567908Y2 (de)
JPS5311716U (de)
JPS5312889U (de)
JPS5619612Y2 (de)
JPS52152093U (de)
JPS52140999U (de)
JPS52119227U (de)
JPS52103062U (de)
CS177773B1 (de)
JPS5365561U (de)
JPS5392597U (de)
JPS5393204U (de)
JPS52162608U (de)
CH613947A5 (de)
CH610702GA3 (de)
DD124445A1 (de)
DD123975A1 (de)
DD123845A1 (de)
DD123718A1 (de)
DD123554A1 (de)
DD123243A1 (de)
CH614076A5 (de)
DD124792A1 (de)

Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee