CA2274762A1 - Polybutadiene-based compositions for contact lenses - Google Patents

Polybutadiene-based compositions for contact lenses Download PDF

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Publication number
CA2274762A1
CA2274762A1 CA002274762A CA2274762A CA2274762A1 CA 2274762 A1 CA2274762 A1 CA 2274762A1 CA 002274762 A CA002274762 A CA 002274762A CA 2274762 A CA2274762 A CA 2274762A CA 2274762 A1 CA2274762 A1 CA 2274762A1
Authority
CA
Canada
Prior art keywords
polybutadiene
contact lenses
independently
based compositions
formula
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
CA002274762A
Other languages
French (fr)
Other versions
CA2274762C (en
Inventor
Yu-Chin Lai
Ronald E. Bambury
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.)
Bausch and Lomb Inc
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
Publication of CA2274762A1 publication Critical patent/CA2274762A1/en
Application granted granted Critical
Publication of CA2274762C publication Critical patent/CA2274762C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/04—Polymers provided for in subclasses C08C or C08F
    • C08F290/048—Polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/937—Utility as body contact e.g. implant, contact lens or I.U.D.

Abstract

Contact lenses are made from the polymerization product of a monomer mixture comprising a polybutadiene-based compound as represented by formula (I): E-B(AB)a-E wherein: A is selected from the group consisting of a chemical bond, -OCO-, -COO-, -CONH-, -NHCO-, -OCOO-, -NHCOO- and -OCONH-; a is zero or an integer of at least 1; each B is independently represented by formula (II) where each of m, n, and p is independently 0 or greater, provided that m + n +
p is at least 10; R is hydrogen or C1-C4 alkyl; each E is independently a polymerizable terminal ethylenically unsaturated organic group.
CA002274762A 1996-12-17 1997-11-25 Polybutadiene-based compositions for contact lenses Expired - Fee Related CA2274762C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/768,748 1996-12-17
US08/768,748 US5708094A (en) 1996-12-17 1996-12-17 Polybutadiene-based compositions for contact lenses
PCT/US1997/022060 WO1998027447A1 (en) 1996-12-17 1997-11-25 Polybutadiene-based compositions for contact lenses

Publications (2)

Publication Number Publication Date
CA2274762A1 true CA2274762A1 (en) 1998-06-25
CA2274762C CA2274762C (en) 2001-09-11

Family

ID=25083378

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002274762A Expired - Fee Related CA2274762C (en) 1996-12-17 1997-11-25 Polybutadiene-based compositions for contact lenses

Country Status (4)

Country Link
US (1) US5708094A (en)
AU (1) AU5464198A (en)
CA (1) CA2274762C (en)
WO (1) WO1998027447A1 (en)

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Also Published As

Publication number Publication date
US5708094A (en) 1998-01-13
AU5464198A (en) 1998-07-15
CA2274762C (en) 2001-09-11
WO1998027447A1 (en) 1998-06-25

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