ZA897343B - Crosslinked siloxane-urethane polymer contact lens - Google Patents

Crosslinked siloxane-urethane polymer contact lens

Info

Publication number
ZA897343B
ZA897343B ZA897343A ZA897343A ZA897343B ZA 897343 B ZA897343 B ZA 897343B ZA 897343 A ZA897343 A ZA 897343A ZA 897343 A ZA897343 A ZA 897343A ZA 897343 B ZA897343 B ZA 897343B
Authority
ZA
South Africa
Prior art keywords
contact lens
urethane polymer
crosslinked siloxane
polymer contact
siloxane
Prior art date
Application number
ZA897343A
Other languages
English (en)
Inventor
Karl F Mueller
F Mueller Karl
Paul Harisiades
Harisiades Paul
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of ZA897343B publication Critical patent/ZA897343B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/61—Polysiloxanes
    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2270/00—Compositions for creating interpenetrating networks
    • 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
    • Y10S525/903—Interpenetrating network

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Eyeglasses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ZA897343A 1988-09-28 1989-09-27 Crosslinked siloxane-urethane polymer contact lens ZA897343B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/250,200 US4983702A (en) 1988-09-28 1988-09-28 Crosslinked siloxane-urethane polymer contact lens

Publications (1)

Publication Number Publication Date
ZA897343B true ZA897343B (en) 1990-06-27

Family

ID=22946713

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA897343A ZA897343B (en) 1988-09-28 1989-09-27 Crosslinked siloxane-urethane polymer contact lens

Country Status (17)

Country Link
US (2) US4983702A (de)
EP (1) EP0362145B1 (de)
JP (1) JP2898664B2 (de)
AR (1) AR245464A1 (de)
AT (1) ATE132514T1 (de)
AU (1) AU629244B2 (de)
BR (1) BR8904891A (de)
CA (1) CA1331068C (de)
DE (1) DE68925328T2 (de)
DK (1) DK475689A (de)
ES (1) ES2080758T3 (de)
GR (1) GR3018598T3 (de)
HK (1) HK1005884A1 (de)
IE (1) IE70522B1 (de)
IL (1) IL91710A (de)
MX (1) MX17738A (de)
ZA (1) ZA897343B (de)

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Also Published As

Publication number Publication date
JPH02115817A (ja) 1990-04-27
IL91710A0 (en) 1990-06-10
IL91710A (en) 1993-08-18
EP0362145A2 (de) 1990-04-04
DK475689D0 (da) 1989-09-27
DE68925328D1 (de) 1996-02-15
EP0362145B1 (de) 1996-01-03
CA1331068C (en) 1994-07-26
AR245464A1 (es) 1994-01-31
AU4172389A (en) 1990-04-05
MX17738A (es) 1993-11-01
IE70522B1 (en) 1996-12-11
US5426158A (en) 1995-06-20
JP2898664B2 (ja) 1999-06-02
EP0362145A3 (de) 1991-03-13
ES2080758T3 (es) 1996-02-16
ATE132514T1 (de) 1996-01-15
DK475689A (da) 1990-03-29
HK1005884A1 (en) 1999-01-29
US4983702A (en) 1991-01-08
DE68925328T2 (de) 1996-09-05
IE893090L (en) 1990-03-28
AU629244B2 (en) 1992-10-01
BR8904891A (pt) 1990-05-08
GR3018598T3 (en) 1996-04-30

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