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FR2407232A1 - Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation - Google Patents

Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Info

Publication number
FR2407232A1
FR2407232A1FR7732639AFR7732639AFR2407232A1FR 2407232 A1FR2407232 A1FR 2407232A1FR 7732639 AFR7732639 AFR 7732639AFR 7732639 AFR7732639 AFR 7732639AFR 2407232 A1FR2407232 A1FR 2407232A1
Authority
FR
France
Prior art keywords
hydrophilic
lens
gas plasma
prodn
polymerisation
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
FR7732639A
Other languages
French (fr)
Other versions
FR2407232B1 (en
Inventor
Eiichi Masuhara
Niro Tarumi
Makoto Tsuchiya
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.)
Hoya Lens Corp
Original Assignee
Hoya Lens Corp
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 Hoya Lens CorpfiledCriticalHoya Lens Corp
Priority to FR7732639ApriorityCriticalpatent/FR2407232A1/en
Publication of FR2407232A1publicationCriticalpatent/FR2407232A1/en
Application grantedgrantedCritical
Publication of FR2407232B1publicationCriticalpatent/FR2407232B1/fr
Grantedlegal-statusCriticalCurrent

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Abstract

A hydrophilic silicone contact lens is produced by: (a) casting a silicone resin monomer into a mould, (b) heading the monomer to polymerise it, (c) forming the obtd. blank into a lens and (d) subjecting the surface of the lens to a low temp. gas plasma to impart hydrophilic props. to the surface. In an alternative process a further step (e) is included comprising forming a hydrophilic resin film on the gas plasma treated surface. The lens has improved flexibility, hydrophilicity and adaptability to the eye.
FR7732639A1977-10-281977-10-28Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisationGrantedFR2407232A1 (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
FR7732639AFR2407232A1 (en)1977-10-281977-10-28Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
FR7732639AFR2407232A1 (en)1977-10-281977-10-28Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Publications (2)

Publication NumberPublication Date
FR2407232A1true FR2407232A1 (en)1979-05-25
FR2407232B1 FR2407232B1 (en)1980-06-13

Family

ID=9197081

Family Applications (1)

Application NumberTitlePriority DateFiling Date
FR7732639AGrantedFR2407232A1 (en)1977-10-281977-10-28Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Country Status (1)

CountryLink
FR (1)FR2407232A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2550726A1 (en)*1983-05-231985-02-22American Optical Corp ABRASION-RESISTANT, ANTISTATIC AND / OR ANTI-REFLECTIVE OPHTHALMIC LENSES AND THEIR MANUFACTURING METHOD
FR2682958A1 (en)*1991-10-291993-04-30Essilor Int BIOCOMPATIBLE SILICONES IN EYE MEDIA AND THEIR MANUFACTURING METHOD.
WO2004111691A1 (en)*2003-06-132004-12-23Essilor International (Compagnie Generale D'optique)Process for replacing an initial outermost coating layer of a coated optical lens by or depositing thereon a different coating layer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2550726A1 (en)*1983-05-231985-02-22American Optical Corp ABRASION-RESISTANT, ANTISTATIC AND / OR ANTI-REFLECTIVE OPHTHALMIC LENSES AND THEIR MANUFACTURING METHOD
FR2682958A1 (en)*1991-10-291993-04-30Essilor Int BIOCOMPATIBLE SILICONES IN EYE MEDIA AND THEIR MANUFACTURING METHOD.
WO1993009164A1 (en)*1991-10-291993-05-13Essilor International (Compagnie Generale D'optique)Biocompatible silicones for ocular use and method for producing same
WO2004111691A1 (en)*2003-06-132004-12-23Essilor International (Compagnie Generale D'optique)Process for replacing an initial outermost coating layer of a coated optical lens by or depositing thereon a different coating layer
US7217440B2 (en)2003-06-132007-05-15Essilor International Compagnie Generale D'optiqueProcess for replacing an initial outermost coating layer of a coated optical lens with a different coating layer or by depositing thereon a different coating layer

Also Published As

Publication numberPublication date
FR2407232B1 (en)1980-06-13

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Legal Events

DateCodeTitleDescription
STNotification of lapse
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