PT89831A - Processo para a preparacao de polimeros molhaveis, rigidos, permeaveis a gases,substancialmente nao dilataveis, contendo unidades de polissiloxano e de oxido de polioxialcileno, e dispositivos oftalmicos que os contem - Google Patents

Processo para a preparacao de polimeros molhaveis, rigidos, permeaveis a gases,substancialmente nao dilataveis, contendo unidades de polissiloxano e de oxido de polioxialcileno, e dispositivos oftalmicos que os contem

Info

Publication number
PT89831A
PT89831A PT89831A PT8983189A PT89831A PT 89831 A PT89831 A PT 89831A PT 89831 A PT89831 A PT 89831A PT 8983189 A PT8983189 A PT 8983189A PT 89831 A PT89831 A PT 89831A
Authority
PT
Portugal
Prior art keywords
ophthalmic devices
gas
preparation
oxide units
polyxyloxane
Prior art date
Application number
PT89831A
Other languages
English (en)
Other versions
PT89831B (pt
Inventor
Kai C Su
J Richard Robertson
Original Assignee
Ciba Geigy Ag
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 Ag filed Critical Ciba Geigy Ag
Publication of PT89831A publication Critical patent/PT89831A/pt
Publication of PT89831B publication Critical patent/PT89831B/pt

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
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/81—Unsaturated isocyanates or isothiocyanates
    • C08G18/8108—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group
    • 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences

Landscapes

  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)
  • Silicon Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
PT89831A 1988-02-26 1989-02-24 Processo para a preparacao de polimeros molhaveis, rigidos, permeaveis a gases,substancialmente nao dilataveis, contendo unidades de polissiloxano e de oxido de polioxialcileno, e dispositivos oftalmicos que os contem PT89831B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16096888A 1988-02-26 1988-02-26

Publications (2)

Publication Number Publication Date
PT89831A true PT89831A (pt) 1989-10-04
PT89831B PT89831B (pt) 1994-05-31

Family

ID=22579241

Family Applications (1)

Application Number Title Priority Date Filing Date
PT89831A PT89831B (pt) 1988-02-26 1989-02-24 Processo para a preparacao de polimeros molhaveis, rigidos, permeaveis a gases,substancialmente nao dilataveis, contendo unidades de polissiloxano e de oxido de polioxialcileno, e dispositivos oftalmicos que os contem

Country Status (10)

Country Link
EP (1) EP0330618B1 (pt)
JP (1) JP2823582B2 (pt)
AT (1) ATE114058T1 (pt)
AU (1) AU617424B2 (pt)
CA (1) CA1339223C (pt)
DE (1) DE68919244T2 (pt)
DK (1) DK88289A (pt)
ES (1) ES2064480T3 (pt)
IE (1) IE64149B1 (pt)
PT (1) PT89831B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196458A (en) * 1991-10-15 1993-03-23 Johnson & Johnson Vision Products, Inc. Soft, high oxygen permeability ophthalmic lens
WO1996031548A1 (en) * 1995-04-04 1996-10-10 Novartis Ag Cell growth substrate polymer
US5973089A (en) * 1995-04-04 1999-10-26 Novartis Ag Polymerizable perfluoroalkylether macromer
MX9707591A (es) 1995-04-04 1997-12-31 Novartis Ag Macromero de siloxano de eter perfluoroalquilico polimerizable.
AUPN215995A0 (en) * 1995-04-04 1995-04-27 Ciba-Geigy Ag Novel materials
AUPN354595A0 (en) * 1995-06-14 1995-07-06 Ciba-Geigy Ag Novel materials
US5807944A (en) * 1996-06-27 1998-09-15 Ciba Vision Corporation Amphiphilic, segmented copolymer of controlled morphology and ophthalmic devices including contact lenses made therefrom

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136250A (en) * 1977-07-20 1979-01-23 Ciba-Geigy Corporation Polysiloxane hydrogels
US4259467A (en) * 1979-12-10 1981-03-31 Bausch & Lomb Incorporated Hydrophilic contact lens made from polysiloxanes containing hydrophilic sidechains
JPS5858519A (ja) * 1981-10-03 1983-04-07 Nippon Contact Lens Seizo Kk コンタクトレンズ
US4486577A (en) * 1982-10-12 1984-12-04 Ciba-Geigy Corporation Strong, silicone containing polymers with high oxygen permeability
US4605712A (en) * 1984-09-24 1986-08-12 Ciba-Geigy Corporation Unsaturated polysiloxanes and polymers thereof
EP0267158B1 (en) * 1986-11-06 1992-01-02 Ciba-Geigy Ag Substantially non-swellable contact lens containing block copolymer polysiloxane-polyoxyalkylene backbone units

Also Published As

Publication number Publication date
IE890603L (en) 1989-08-26
DK88289D0 (da) 1989-02-24
JP2823582B2 (ja) 1998-11-11
DE68919244D1 (de) 1994-12-15
DK88289A (da) 1989-08-27
AU617424B2 (en) 1991-11-28
EP0330618A2 (en) 1989-08-30
ATE114058T1 (de) 1994-11-15
PT89831B (pt) 1994-05-31
EP0330618B1 (en) 1994-11-09
CA1339223C (en) 1997-08-05
AU3025489A (en) 1989-08-31
ES2064480T3 (es) 1995-02-01
EP0330618A3 (en) 1991-01-30
DE68919244T2 (de) 1995-03-30
IE64149B1 (en) 1995-07-12
JPH01256537A (ja) 1989-10-13

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FG3A Patent granted, date of granting

Effective date: 19931105

PC3A Transfer or assignment

Free format text: 970604 NOVARTIS AG CH

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19990531