FR2646672B1 - WETABLE SILICON ELASTOMER SUITABLE FOR THE MANUFACTURE OF CONTACT LENSES - Google Patents

WETABLE SILICON ELASTOMER SUITABLE FOR THE MANUFACTURE OF CONTACT LENSES

Info

Publication number
FR2646672B1
FR2646672B1 FR8905363A FR8905363A FR2646672B1 FR 2646672 B1 FR2646672 B1 FR 2646672B1 FR 8905363 A FR8905363 A FR 8905363A FR 8905363 A FR8905363 A FR 8905363A FR 2646672 B1 FR2646672 B1 FR 2646672B1
Authority
FR
France
Prior art keywords
wetable
manufacture
contact lenses
silicon elastomer
elastomer suitable
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.)
Expired - Fee Related
Application number
FR8905363A
Other languages
French (fr)
Other versions
FR2646672A1 (en
Inventor
Ghislaine Torres
Georges Wajs
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.)
EssilorLuxottica SA
Original Assignee
Essilor International Compagnie Generale dOptique SA
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 Essilor International Compagnie Generale dOptique SA filed Critical Essilor International Compagnie Generale dOptique SA
Priority to FR8905363A priority Critical patent/FR2646672B1/en
Publication of FR2646672A1 publication Critical patent/FR2646672A1/en
Application granted granted Critical
Publication of FR2646672B1 publication Critical patent/FR2646672B1/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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • 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
    • C08G77/04—Polysiloxanes
    • C08G77/12—Polysiloxanes containing silicon bound to 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
    • 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
    • C08G77/04—Polysiloxanes
    • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
    • 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
    • C08G77/04—Polysiloxanes
    • C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Silicon Polymers (AREA)
FR8905363A 1989-04-21 1989-04-21 WETABLE SILICON ELASTOMER SUITABLE FOR THE MANUFACTURE OF CONTACT LENSES Expired - Fee Related FR2646672B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8905363A FR2646672B1 (en) 1989-04-21 1989-04-21 WETABLE SILICON ELASTOMER SUITABLE FOR THE MANUFACTURE OF CONTACT LENSES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8905363A FR2646672B1 (en) 1989-04-21 1989-04-21 WETABLE SILICON ELASTOMER SUITABLE FOR THE MANUFACTURE OF CONTACT LENSES

Publications (2)

Publication Number Publication Date
FR2646672A1 FR2646672A1 (en) 1990-11-09
FR2646672B1 true FR2646672B1 (en) 1991-07-19

Family

ID=9381020

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8905363A Expired - Fee Related FR2646672B1 (en) 1989-04-21 1989-04-21 WETABLE SILICON ELASTOMER SUITABLE FOR THE MANUFACTURE OF CONTACT LENSES

Country Status (1)

Country Link
FR (1) FR2646672B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0586332B1 (en) * 1992-08-05 1997-02-05 Ciba-Geigy Ag Contact lenses made from lipophilic cyclodextrines
US6001140A (en) 1996-04-04 1999-12-14 Witco Corporation Diesel fuel and lubricating oil antifoams and methods of use
US6093222A (en) * 1996-04-04 2000-07-25 Ck Witco Corporation Diesel fuel antifoam composition
KR100281513B1 (en) * 1997-05-22 2001-02-15 울프 크라스텐센, 스트라쎄 로텐베르그 Okano polysiloxanes consisting of polyhydroxyorganyl radicals and polyoxy alkylene radicals, in particular sugar radicals or sugar derivatives

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1187645A (en) * 1981-01-12 1985-05-21 Kyoichi Tanaka Contact lens and process for preparing the same
US4365050A (en) * 1981-07-15 1982-12-21 Ivani Edward J Amino-polysaccharides and copolymers thereof for contact lenses and ophthalmic compositions
DE3370138D1 (en) * 1982-05-14 1987-04-16 Astra Meditec Ab Articles exhibiting a biocompatible surface layer and process for providing articles with such a surface layer
DE3532686A1 (en) * 1985-09-13 1987-03-19 Bayer Ag Optically clear silicone compositions

Also Published As

Publication number Publication date
FR2646672A1 (en) 1990-11-09

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Legal Events

Date Code Title Description
ST Notification of lapse