CA2004872A1 - Lenses from polymeric derivatives of acrylic and methacrylic acids - Google Patents

Lenses from polymeric derivatives of acrylic and methacrylic acids

Info

Publication number
CA2004872A1
CA2004872A1 CA2004872A CA2004872A CA2004872A1 CA 2004872 A1 CA2004872 A1 CA 2004872A1 CA 2004872 A CA2004872 A CA 2004872A CA 2004872 A CA2004872 A CA 2004872A CA 2004872 A1 CA2004872 A1 CA 2004872A1
Authority
CA
Canada
Prior art keywords
hydrophilic
way
swelling
layer
esterification
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.)
Granted
Application number
CA2004872A
Other languages
French (fr)
Other versions
CA2004872C (en
Inventor
Jiri Sulc
Zuzana Krcova
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Publication of CA2004872A1 publication Critical patent/CA2004872A1/en
Application granted granted Critical
Publication of CA2004872C publication Critical patent/CA2004872C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/14—Chemical modification with acids, their salts or anhydrides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Abstract

An object of the invention is a lens made from a non-hydrophilic acrylate or methacrylate polymer or copolymer and designated for application in a water medium inside a human eye or on its surface, i.e. an intraocular or contact lens, the originally non-hydrophilic surface layer of which was additionally hydrophilized by a partial hydrolysis or sulfonation in such a way, that the gradient of swelling results where the swelling continuously changes from its maximum on the very surface to the minimum in the non-swelling core unaffected by hydrophilization.
In this way, light reflexes are removed or at least substantially reduced as well as the tendency to the surface growth of cells, irritation of neighbouring living tissues, and the formation of pressure necroses.
Strong inorganic acids are most suitable for the surface hydrolysis. Their ability to swell and dissolve the employed acrylate polymer can be arbitrarily limited by dilution with water or by addition of well soluble salts. The thickness of hydrophilic layer is controlled in this way and also by the time of action.
The surface hydrophilic layer may be crosslinked by simultaneous esterification with multifunctional alcohols, in the molecule of which remains after esterification at least one additional free hydrophilic group.
CA 2004872 1988-04-22 1989-12-07 Lenses from polymeric derivatives of acrylic and methacrylic acids Expired - Fee Related CA2004872C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8809511A GB2217869A (en) 1988-04-22 1988-04-22 Contact lenses
CS650988A CS274831B2 (en) 1988-04-22 1988-09-30 Lens of hydrophobic acrylic or metacrylic polymer

Publications (2)

Publication Number Publication Date
CA2004872A1 true CA2004872A1 (en) 1991-06-07
CA2004872C CA2004872C (en) 1998-04-07

Family

ID=40070549

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2004872 Expired - Fee Related CA2004872C (en) 1988-04-22 1989-12-07 Lenses from polymeric derivatives of acrylic and methacrylic acids

Country Status (9)

Country Link
US (2) US4890911A (en)
EP (1) EP0431213A1 (en)
JP (1) JP2907391B2 (en)
AU (1) AU4606789A (en)
CA (1) CA2004872C (en)
CS (1) CS274831B2 (en)
DE (1) DE3821272A1 (en)
FR (1) FR2631136A1 (en)
GB (1) GB2217869A (en)

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US20070283524A1 (en) * 2006-06-08 2007-12-13 Tote'l Industries Corp. Sliding door closer mechanism
US7878650B2 (en) * 2006-06-29 2011-02-01 Fritsch Michael H Contact lens materials, designs, substances, and methods
US20080171835A1 (en) * 2007-01-16 2008-07-17 Sulfo Technologies, Llc Method of sulfonation of polymer substrate to impart a hydrophilic layer in said substrate with improvement in at least one of anti-fog, anti-static, wettability, lubricity anti-microbial properties, and articles made thereby
US9943401B2 (en) * 2008-04-04 2018-04-17 Eugene de Juan, Jr. Therapeutic device for pain management and vision
US7920342B2 (en) * 2008-07-01 2011-04-05 Aptina Imaging Corporation Over-molded glass lenses and method of forming the same
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US8591025B1 (en) 2012-09-11 2013-11-26 Nexisvision, Inc. Eye covering and refractive correction methods for LASIK and other applications
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JP5720103B2 (en) 2010-03-18 2015-05-20 東レ株式会社 Silicone hydrogels, ophthalmic lenses and contact lenses
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Also Published As

Publication number Publication date
CS274831B2 (en) 1991-11-12
CA2004872C (en) 1998-04-07
US4890911A (en) 1990-01-02
GB8809511D0 (en) 1988-05-25
GB2217869A (en) 1989-11-01
EP0431213A1 (en) 1991-06-12
AU4606789A (en) 1991-07-18
FR2631136A1 (en) 1989-11-10
US5158832A (en) 1992-10-27
DE3821272A1 (en) 1989-12-28
JP2907391B2 (en) 1999-06-21
CS8806509A1 (en) 1990-12-13
JPH03196116A (en) 1991-08-27

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