PT89827A - Processo para a preparacao de polimeros molhaveis, flexiveis, permeaveis ao oxigenio, dilataveis, contendo unidades estruturais de polioxialcileno, e dispositivos oftalmicos que os contem - Google Patents

Processo para a preparacao de polimeros molhaveis, flexiveis, permeaveis ao oxigenio, dilataveis, contendo unidades estruturais de polioxialcileno, e dispositivos oftalmicos que os contem

Info

Publication number
PT89827A
PT89827A PT89827A PT8982789A PT89827A PT 89827 A PT89827 A PT 89827A PT 89827 A PT89827 A PT 89827A PT 8982789 A PT8982789 A PT 8982789A PT 89827 A PT89827 A PT 89827A
Authority
PT
Portugal
Prior art keywords
flexible
preparation
polioxylcylene
permeavan
molhavese
Prior art date
Application number
PT89827A
Other languages
English (en)
Other versions
PT89827B (pt
Inventor
Kai C Su
Frank F Molock
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 PT89827A publication Critical patent/PT89827A/pt
Publication of PT89827B publication Critical patent/PT89827B/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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
    • 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
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/671—Unsaturated compounds having only one group containing active hydrogen
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Polyethers (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Medicinal Preparation (AREA)
  • Silicon Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Materials For Medical Uses (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PT89827A 1988-02-26 1989-02-24 Processo para a preparacao de polimeros molhaveis, flexiveis, permeaveis ao oxigenio, dilataveis, contendo unidades estruturais de polioxialcileno, e dispositivos oftalmicos que os contem PT89827B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16096788A 1988-02-26 1988-02-26

Publications (2)

Publication Number Publication Date
PT89827A true PT89827A (pt) 1989-10-04
PT89827B PT89827B (pt) 1994-04-29

Family

ID=22579237

Family Applications (1)

Application Number Title Priority Date Filing Date
PT89827A PT89827B (pt) 1988-02-26 1989-02-24 Processo para a preparacao de polimeros molhaveis, flexiveis, permeaveis ao oxigenio, dilataveis, contendo unidades estruturais de polioxialcileno, e dispositivos oftalmicos que os contem

Country Status (10)

Country Link
EP (1) EP0330614B1 (pt)
JP (1) JPH028218A (pt)
AT (1) ATE154049T1 (pt)
AU (1) AU618077B2 (pt)
CA (1) CA1337540C (pt)
DE (1) DE68928089T2 (pt)
DK (1) DK88489A (pt)
ES (1) ES2102352T3 (pt)
GR (1) GR3024308T3 (pt)
PT (1) PT89827B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI99158C (fi) * 1991-06-28 1997-10-10 Uponor Bv Menetelmä muoviputken pinnan suojaamiseksi sähköhitsaamalla tapahtuvaa liittämistä varten ja sähköhitsattava muoviputki
US5210111A (en) * 1991-08-22 1993-05-11 Ciba-Geigy Corporation Crosslinked hydrogels derived from hydrophilic polymer backbones
US5196458A (en) * 1991-10-15 1993-03-23 Johnson & Johnson Vision Products, Inc. Soft, high oxygen permeability ophthalmic lens
US5484863A (en) * 1993-03-10 1996-01-16 Johnson & Johnson Vision Products, Inc. Polymeric ophthalmic lens prepared from unsaturated polyoxyethylene monomers
US5352251A (en) * 1993-03-30 1994-10-04 Shell Oil Company Fuel compositions
US5294692A (en) * 1993-06-30 1994-03-15 National Starch And Chemical Investment Holding Corporation Associative monomers and polymers
US5648402A (en) * 1995-06-01 1997-07-15 Nunez; Ivan M. Contact lenses from highly permeable siloxane polyol material
US6132462A (en) * 1995-12-22 2000-10-17 Santen Pharmaceutical Co., Ltd. Copolymers formed from three components and intraocular lenses made thereof
US5922821A (en) * 1996-08-09 1999-07-13 Alcon Laboratories, Inc. Ophthalmic lens polymers
US6261327B1 (en) 1997-05-29 2001-07-17 Shell Oil Company Additive concentrates for rapidly reducing octane requirement
CN1089754C (zh) 1997-06-05 2002-08-28 参天制药株式会社 用作聚合物成分的衣康酸衍生物
CN1213671A (zh) 1997-10-07 1999-04-14 参天制药株式会社 四成分共聚物及由该共聚物形成的眼用透镜
EP1873180B1 (en) * 2002-08-14 2014-05-07 Novartis AG Ophthalmic device made from a radiation-curable prepolymer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862045D1 (en) * 1977-07-20 1982-11-11 Ciba Geigy Ag Process for the production of hydrogels in the form of spherically shaped beads with larger diameters
US4396749A (en) * 1981-04-29 1983-08-02 Shell Oil Company Preparation of composite polymers containing active hydrogen atoms
US4486577A (en) * 1982-10-12 1984-12-04 Ciba-Geigy Corporation Strong, silicone containing polymers with high oxygen permeability
DE3339068C2 (de) * 1982-11-06 1984-12-06 Th. Goldschmidt Ag, 4300 Essen Verfahren zur Herstellung von Polymerisaten mit seitenständig gebundenen Polyoxyalkylenketten und deren Verwendung zur Herstellung von Polyurethanen
FR2539135B1 (fr) * 1983-01-11 1986-02-28 Essilor Int Hydrogels de polyurethane et procede de fabrication
JPS59161420A (ja) * 1983-03-07 1984-09-12 Toray Ind Inc ヒドロゲル
JPS61126052A (ja) * 1984-11-20 1986-06-13 Green Cross Corp:The 含フツ素メタクリル酸エステル
ATE78404T1 (de) * 1985-05-02 1992-08-15 Ciba Geigy Ag Hydrogele mit erhoehter beladungskapazitaet bezueglich einer in einem organischen loesungsmittel loeslichen wirksubstanz, deren herstellung sowie deren verwendung.
US4701474A (en) * 1986-04-09 1987-10-20 Union Carbide Corporation Reduced reactivity polyols as foam controllers in producing polyurethanes foams
US4780488A (en) * 1986-08-29 1988-10-25 Ciba-Geigy Corporation Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing polyoxyalkylene backbone units, and use thereof

Also Published As

Publication number Publication date
AU3025089A (en) 1989-08-31
PT89827B (pt) 1994-04-29
EP0330614A3 (en) 1991-09-18
AU618077B2 (en) 1991-12-12
DE68928089D1 (de) 1997-07-10
ATE154049T1 (de) 1997-06-15
EP0330614A2 (en) 1989-08-30
JPH028218A (ja) 1990-01-11
DK88489A (da) 1989-08-27
DE68928089T2 (de) 1997-12-18
EP0330614B1 (en) 1997-06-04
ES2102352T3 (es) 1997-08-01
GR3024308T3 (en) 1997-10-31
DK88489D0 (da) 1989-02-24
CA1337540C (en) 1995-11-07

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19931008

PC3A Transfer or assignment

Free format text: 970528 NOVARTIS AG CH

MM3A Annulment or lapse

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

Effective date: 19990430