DE2839249C2 - - Google Patents

Info

Publication number
DE2839249C2
DE2839249C2 DE2839249A DE2839249A DE2839249C2 DE 2839249 C2 DE2839249 C2 DE 2839249C2 DE 2839249 A DE2839249 A DE 2839249A DE 2839249 A DE2839249 A DE 2839249A DE 2839249 C2 DE2839249 C2 DE 2839249C2
Authority
DE
Germany
Prior art keywords
methacrylic acid
polymer
component
vinyl
acrylic acid
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 - Lifetime
Application number
DE2839249A
Other languages
German (de)
English (en)
Other versions
DE2839249A1 (de
Inventor
Shino Kyoto Jp Ohkado
Hideki Otsu Shiga Jp Kenjo
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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
Priority claimed from JP10892577A external-priority patent/JPS5923271B2/ja
Priority claimed from JP10892677A external-priority patent/JPS5443284A/ja
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of DE2839249A1 publication Critical patent/DE2839249A1/de
Application granted granted Critical
Publication of DE2839249C2 publication Critical patent/DE2839249C2/de
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00038Production of contact lenses
    • B29D11/00125Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041Lenses
    • G02B1/043Contact lenses
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808Lens mold

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE19782839249 1977-09-12 1978-09-08 Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens Granted DE2839249A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10892577A JPS5923271B2 (ja) 1977-09-12 1977-09-12 ソフトコンタクトレンズの製造方法
JP10892677A JPS5443284A (en) 1977-09-12 1977-09-12 Dope for forming soft contact lens

Publications (2)

Publication Number Publication Date
DE2839249A1 DE2839249A1 (de) 1979-03-22
DE2839249C2 true DE2839249C2 (env) 1991-09-12

Family

ID=26448750

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782839249 Granted DE2839249A1 (de) 1977-09-12 1978-09-08 Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens

Country Status (5)

Country Link
US (2) US4347198A (env)
AU (1) AU530070B2 (env)
DE (1) DE2839249A1 (env)
FR (1) FR2402525A1 (env)
GB (1) GB2006091B (env)

Families Citing this family (129)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209289A (en) * 1979-05-14 1980-06-24 American Optical Corporation Contact lens mold
US4402659A (en) * 1981-12-30 1983-09-06 American Optical Corporation Mold clamping fixture
US4597918A (en) * 1982-09-13 1986-07-01 Neefe Charles W Method of removing soft contact lenses from the mold
DE3402648A1 (de) * 1983-01-28 1984-08-02 Canon K.K., Tokio/Tokyo Formgebungsvorrichtung fuer ein optisches element
AU577315B2 (en) * 1983-09-27 1988-09-22 Barnes-Hind Inc. Lens mould and moulding
US4971732A (en) * 1984-06-28 1990-11-20 Ceskoslovenska Academie Ved Method of molding an intraocular lens
US4680336A (en) * 1984-11-21 1987-07-14 Vistakon, Inc. Method of forming shaped hydrogel articles
CA1272329A (en) * 1985-01-09 1990-07-31 Tatsutoshi Nakajima High water-absorptive soft contact lens
GB8508247D0 (en) * 1985-03-29 1985-05-09 Sola Int Holdings Contact lenses
US4665123A (en) * 1985-12-13 1987-05-12 Ciba-Geigy Corporation Polyvinyl alcohol derivatives containing pendant (meth)acryloylvinylic monomer reaction product units bound through urethane groups and hydrogel contact lenses made therefrom
DE3688578T2 (de) * 1985-07-31 1993-10-28 Ciba Geigy Polyvinylalkoholderivate und vernetzte Hydrogelkontaktlinsen.
GB8601967D0 (en) * 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
CS260213B1 (en) * 1986-03-05 1988-12-15 Jiri Sulc Method of polymerization casting of articles especially lenses from hydrophilic gels and equipment for realization of this method
US4729892A (en) * 1986-03-21 1988-03-08 Ciba-Geigy Corporation Use of cross-linked hydrogel materials as image contrast agents in proton nuclear magnetic resonance tomography and tissue phantom kits containing such materials
US5149052A (en) * 1987-11-16 1992-09-22 Kingston Technologies, Inc. Precision molding of polymers
US4865779A (en) * 1987-12-15 1989-09-12 Minnesota Mining And Manufacturing Company Lens molding apparatus and method
US4978713A (en) * 1987-12-16 1990-12-18 Ciba-Geigy Corporation Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bound through ether groups and hydrogel contact lenses made therefrom
CA1318446C (en) * 1988-05-31 1993-05-25 William J. Burke Contact lenses and materials and methods of making same
DE68923345T2 (de) * 1988-11-02 1995-12-21 British Tech Group Giessen von Kontaktlinsen.
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
US5039459A (en) * 1988-11-25 1991-08-13 Johnson & Johnson Vision Products, Inc. Method of forming shaped hydrogel articles including contact lenses
US5080839A (en) * 1990-04-17 1992-01-14 Johnson & Johnson Vision Products, Inc. Process for hydrating soft contact lenses
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
US5137441A (en) * 1990-10-30 1992-08-11 Minnesota Mining And Manufacturing Company Mold assembly for making an ocular lens blank
US5210111A (en) * 1991-08-22 1993-05-11 Ciba-Geigy Corporation Crosslinked hydrogels derived from hydrophilic polymer backbones
US5264161A (en) * 1991-09-05 1993-11-23 Bausch & Lomb Incorporated Method of using surfactants as contact lens processing aids
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5260000A (en) * 1992-08-03 1993-11-09 Bausch & Lomb Incorporated Process for making silicone containing hydrogel lenses
TW325744U (en) * 1993-07-21 1998-01-21 Ciba Geigy Ag Two-sided contact lens mold
TW272976B (env) * 1993-08-06 1996-03-21 Ciba Geigy Ag
US5665840A (en) * 1994-11-18 1997-09-09 Novartis Corporation Polymeric networks from water-soluble prepolymers
TW349967B (en) 1995-02-03 1999-01-11 Novartis Ag Process for producing contact lenses and a cross-linkable polyvinylalcohol used therefor
AU4438696A (en) * 1995-02-03 1996-08-21 Novartis Ag Crosslinked polymers
TW360671B (en) * 1995-02-03 1999-06-11 Novartis Ag Process for producing mold body and the cross-linkable polymer used therein
EP0807270B1 (en) * 1995-02-03 1999-03-31 Novartis AG Crosslinked polymers containing ester or amide groups
DE69604784T2 (de) * 1995-02-03 2000-05-18 Novartis Ag, Basel Vernetzbare polymere enthaltend photoinitiatoren
TW425410B (en) * 1995-02-03 2001-03-11 Novartis Ag Preparation of the crosslinked tinted polymers and their moldings
US5883164A (en) * 1995-09-13 1999-03-16 Katoot; Mohammad W. Polymer additives for forming objects
US5872168A (en) * 1995-09-13 1999-02-16 Katoot; Mohammad W. Polymer additives for forming objects
EP0867456A1 (de) 1997-02-04 1998-09-30 Novartis AG Ophthalmischer Formkörper
US6020445A (en) * 1997-10-09 2000-02-01 Johnson & Johnson Vision Products, Inc. Silicone hydrogel polymers
JP3890128B2 (ja) * 1997-10-28 2007-03-07 沖電気工業株式会社 反射型プリズム
FR2772302B1 (fr) * 1997-12-11 2000-01-21 Essilor Int Procede d'obtention d'une lentille ophtalmique comportant une microstructure utilitaire en surface et lentilles ophtalmiques ainsi obtenues
SE9800853D0 (sv) * 1998-03-16 1998-03-16 Pharmacia & Upjohn Bv Intraocular lens
US6146556A (en) * 1998-04-29 2000-11-14 Katoot; Mohammad W. Polymer additives for forming objects
WO2000002937A1 (en) * 1998-07-08 2000-01-20 Sunsoft Corporation Interpenetrating polymer network hydrophilic hydrogels for contact lens
US6610220B1 (en) 1998-12-28 2003-08-26 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses with measured exposure to oxygen
US6241918B1 (en) * 1998-12-28 2001-06-05 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses in ambient environment
US6360129B1 (en) 1999-12-13 2002-03-19 Cardiac Pacemakers, Inc. Mannitol/hydrogel cap for tissue-insertable connections
US6368522B1 (en) * 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
US7521519B1 (en) * 2000-03-14 2009-04-21 Novartis Ag Organic compounds
US6774178B2 (en) 2001-01-05 2004-08-10 Novartis Ag Tinted, high Dk ophthalmic molding and a method for making same
DE60209180T2 (de) * 2001-01-24 2006-09-28 Novartis Ag Verfahren zur Herstellung von Linsen
US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
DK1445641T3 (da) * 2001-08-28 2008-02-04 Johnson & Johnson Vision Care Okulære linser
KR20040083510A (ko) * 2002-02-15 2004-10-02 지엠에스, 엘엘씨 생체 의학 적용을 위한 중합 방법 및 재료
US20040119174A1 (en) * 2002-12-19 2004-06-24 Hofmann Gregory J. Method for forming ophthalmic lenses using reusable molds
US20040214914A1 (en) * 2003-04-24 2004-10-28 Ocular Sciences, Inc. Hydrogel contact lenses and package systems and production methods for same
US20060145372A1 (en) * 2004-12-30 2006-07-06 Jones Thomas G Optical tool assembly for improved RCW and lens edge formation
US20060186564A1 (en) * 2005-02-22 2006-08-24 Adams Jonathan P Hydrogel processing
US9804295B2 (en) * 2005-05-05 2017-10-31 Novartis Ag Ophthalmic devices for sustained delivery of active compounds
US20070037897A1 (en) * 2005-08-12 2007-02-15 Guigui Wang Method for making contact lenses
AR063561A1 (es) * 2006-11-06 2009-02-04 Novartis Ag Dispositivos oculares y metodos para fabricar y utilizar los mismos
US20080128930A1 (en) 2006-12-01 2008-06-05 Yu-Chin Lai Method of Releasing Contact Lens
AR064286A1 (es) 2006-12-13 2009-03-25 Quiceno Gomez Alexandra Lorena Produccion de dispositivos oftalmicos basados en la polimerizacion por crecimiento escalonado fotoinducida
WO2010078001A1 (en) 2008-12-30 2010-07-08 Novartis Ag Tri-functional uv-absorbing compounds and use thereof
EP2510051A1 (en) * 2009-12-07 2012-10-17 Novartis AG Methods for increasing the ion permeability of contact lenses
EP2513711B1 (en) * 2009-12-14 2017-07-12 Novartis AG Methods for making silicone hydrogel lenses from water-based lens formulations
KR101564490B1 (ko) 2010-07-30 2015-10-29 노파르티스 아게 Uv―흡수 안과용 렌즈의 제조 방법
ES2980213T3 (es) 2010-07-30 2024-09-30 Alcon Inc Lentes de hidrogel de silicona con superficies ricas en agua
WO2012064699A1 (en) 2010-11-10 2012-05-18 Novartis Ag Method for making contact lenses
WO2012069615A1 (en) 2010-11-26 2012-05-31 Daysoft Limited Contact lens manufacturing method
CN103249544B (zh) 2010-12-01 2016-02-03 诺瓦提斯公司 眼用器件的大气等离子体涂层
MY158272A (en) 2010-12-13 2016-09-30 Novartis Ag Ophthalmic lenses modified with functional groups and methods of making thereof
CN103597378B (zh) 2011-06-09 2017-02-15 诺瓦提斯公司 具有纳米纹理化表面的硅氧烷水凝胶透镜
CA2851668C (en) 2011-10-12 2016-08-16 Novartis Ag Method for making uv-absorbing ophthalmic lenses by coating
WO2013074535A1 (en) 2011-11-15 2013-05-23 Novartis Ag A silicone hydrogel lens with a crosslinked hydrophilic coating
CA2857181C (en) 2011-12-08 2016-10-11 Novartis Ag Contact lenses with enzymatically degradable coatings thereon
BR112014028700B1 (pt) 2012-06-14 2021-01-05 Alcon Inc. copolímero e monômero vinílico contendo azetidínio, lente de contato de silicone hidrogel e métodos de produção da mesma
US9395468B2 (en) 2012-08-27 2016-07-19 Ocular Dynamics, Llc Contact lens with a hydrophilic layer
HUE031702T2 (en) 2012-12-17 2017-07-28 Novartis Ag A method for producing improved UV absorbing ophthalmic lenses
US9950483B2 (en) 2013-05-29 2018-04-24 Novartis Ag Method for determining the surface concentration of carboxyl groups on a lens
AU2014348502B2 (en) 2013-11-15 2019-08-15 Tangible Science, Inc. Contact lens with a hydrophilic layer
MY180543A (en) 2013-12-17 2020-12-01 Novartis Ag A silicone hydrogel lens with a crosslinked hydrophilic coating
WO2015134449A1 (en) 2014-03-05 2015-09-11 Novartis Ag Method for automatic inspection of contact lenses
EP3186070B1 (en) 2014-08-26 2019-09-25 Novartis AG Method for applying stable coating on silicone hydrogel contact lenses
EP3186298B1 (en) 2014-08-26 2020-11-18 Alcon Inc. Poly(oxazoline-co-ethyleneimine)-epichlorohydrin copolymers and uses thereof
EP3229851A4 (en) 2014-12-09 2018-08-01 Tangible Science LLC Medical device coating with a biocompatible layer
US10723842B2 (en) 2015-03-11 2020-07-28 University Of Florida Research Foundation, Inc. Mesh size control of lubrication in gemini hydrogels
CN107532038B (zh) 2015-05-07 2020-08-11 爱尔康公司 用于生产在其上具有耐用润滑涂层的接触镜片的方法
CA2992823C (en) 2015-09-04 2019-10-29 Novartis Ag Method for producing contact lenses with durable lubricious coatings thereon
EP3390026A1 (en) 2015-12-15 2018-10-24 Novartis AG Method for producing contact lenses with a lubricious surface
HUE051613T2 (hu) 2015-12-15 2021-03-01 Alcon Inc Eljárás szilíciumhidrogél-kontaktlencsékre stabil kivonat felvitelére
SG11201900640UA (en) 2016-09-20 2019-04-29 Novartis Ag Process for producing contact lenses with durable lubricious coatings thereon
EP3516429B1 (en) 2016-09-20 2021-02-17 Alcon Inc. Colored hydrogel contact lenses with lubricious coating thereon
US10526470B2 (en) 2016-09-20 2020-01-07 Novartis Ag Method for producing a water-soluble thermally-crosslinkable polymeric material
US20180104919A1 (en) * 2016-10-14 2018-04-19 Novartis Ag Method for producing contact lenses
WO2018069869A1 (en) * 2016-10-14 2018-04-19 Novartis Ag Method for producing contact lenses
WO2018073702A1 (en) 2016-10-19 2018-04-26 Novartis Ag Hydrophilic copolymer with one thiol-containing terminal group
US10618986B2 (en) 2016-10-19 2020-04-14 Alcon Inc. Hydrophilic copolymer with pendant thiol groups
CN109844570A (zh) 2016-10-26 2019-06-04 诺华股份有限公司 在其上具有共价附接的润滑涂层的软性接触镜片
WO2018078598A1 (en) 2016-10-31 2018-05-03 Chnovartis Ag Method for producing surface coated contact lenses with wearing comfort
US20180141293A1 (en) 2016-11-18 2018-05-24 Novartis Ag Method for making ophthalmic lenses
CN110831991B (zh) 2017-07-18 2022-05-24 爱尔康公司 含有磷酰胆碱的基于聚(甲基)丙烯酰胺的共聚物
EP3655446B1 (en) 2017-07-18 2022-08-31 Alcon Inc. Water-soluble, thermally-crosslinkable polymeric material comprising one or more poly(meth)acrylamide-based copolymers with carboxyl-terminated pendant chains
US10809181B2 (en) 2017-08-24 2020-10-20 Alcon Inc. Method and apparatus for determining a coefficient of friction at a test site on a surface of a contact lens
SG11202003456VA (en) 2017-12-13 2020-07-29 Alcon Inc Method for producing mps-compatible water gradient contact lenses
CN111566517B (zh) 2018-01-30 2023-11-10 爱尔康公司 在其上具有润滑涂层的隐形眼镜
US11448796B2 (en) 2018-04-13 2022-09-20 Alcon Inc. Evaluation method for the coverage of a coating on a contact lens surface
US11061169B2 (en) 2018-11-15 2021-07-13 Alcon Inc. Contact lens with phosphorylcholine-modified polyvinylalcohols therein
MY203595A (en) 2019-01-28 2024-07-05 Alcon Inc High molecular weight poly(methacrylic acid)
HUE072921T2 (hu) 2019-04-10 2025-12-28 Alcon Inc Eljárás bevont kontaktlencsék elõállítására
US11602910B2 (en) 2019-05-28 2023-03-14 Alcon Inc. Pad transfer printing method for making colored contact lenses
US12072556B2 (en) 2019-11-04 2024-08-27 Alcon Inc. Contact lenses with surfaces having different softness
US11927512B2 (en) 2019-11-05 2024-03-12 Alcon Inc. Method for determining coating thickness on coated contact lenses
ES3039534T3 (en) 2019-12-16 2025-10-22 Alcon Inc Method for producing an ophthalmic product
TWI859401B (zh) 2020-01-27 2024-10-21 新加坡商科萊博新加坡私人有限公司 光化可交聯的聚矽氧烷-聚甘油嵌段共聚物及其製造和使用方法
WO2021181307A1 (en) 2020-03-11 2021-09-16 Alcon Inc. Photochromic polydiorganosiloxane vinylic crosslinkers
EP4189469B1 (en) 2020-07-28 2024-09-25 Alcon Inc. Contact lenses with softer lens surfaces
WO2022172154A1 (en) 2021-02-09 2022-08-18 Alcon Inc. Hydrophilized polydiorganosiloxane vinylic crosslinkers
WO2022201013A1 (en) 2021-03-23 2022-09-29 Alcon Inc. Polysiloxane vinylic crosslinkers with high refractive index
KR102927446B1 (ko) 2021-06-14 2026-02-13 알콘 인코포레이티드 다초점 회절성 실리콘 하이드로겔 콘택트렌즈
CN114736327B (zh) * 2022-05-19 2023-05-23 江苏铁锚玻璃股份有限公司 耐候性有机玻璃的配方及其制备方法
US12595368B2 (en) 2022-05-23 2026-04-07 Alcon Inc. UV/HEVL-filtering contact lenses
WO2024038390A1 (en) 2022-08-17 2024-02-22 Alcon Inc. A contact lens with a hydrogel coating thereon
CN120418072A (zh) 2023-02-02 2025-08-01 爱尔康公司 水梯度硅氧烷水凝胶隐形眼镜
EP4713721A1 (en) 2023-05-18 2026-03-25 Alcon Inc. Uv/hevl-filtering silicone hydrogel contact lenses
EP4720728A1 (en) 2023-05-25 2026-04-08 Alcon Inc. Coated silicone hydrogel contact lenses and method for making the same
CN121443681A (zh) 2023-08-07 2026-01-30 爱尔康公司 Uv/hevl过滤性硅氧烷水凝胶隐形眼镜

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US27401A (en) * 1860-03-06 Improvement in solidified fuel from coal-dust
NL285986A (env) * 1961-12-27
US3558568A (en) * 1966-06-22 1971-01-26 Asahi Chemical Ind Production of lactam-lactone copolymers
US3532679A (en) * 1969-04-07 1970-10-06 Robert Steckler Hydrogels from cross-linked polymers of n-vinyl lactams and alkyl acrylates
NL206587A (env) 1970-08-05
CS159361B1 (env) * 1970-09-08 1975-01-31
FR2109470A5 (env) * 1970-10-19 1972-05-26 Silor
US4085168A (en) * 1971-02-22 1978-04-18 Cpc International Inc. Chemically joined, phase separated self-cured hydrophilic thermoplastic graft copolymers and their preparation
US3947401A (en) * 1971-10-05 1976-03-30 Union Optics Corporation Hydrogels of unsaturated ester copolymers
US3876581A (en) * 1972-10-10 1975-04-08 Erickson Polymer Corp Hydrophilic polymer composition for prosthetic devices
US3985697A (en) * 1972-10-18 1976-10-12 Uroptics International Incorporated Hydrophilic contact lens material
US3894129A (en) * 1973-03-15 1975-07-08 American Optical Corp Method of manufacture of strain free contact lenses
US3937680A (en) * 1973-05-29 1976-02-10 Global Vision, Inc. Hydrophilic gel terpolymers from hydrophilic n-vinyl monomers, hydroxyalkyl acrylates or methacrylates and polymerizable unsaturated carboxylic acids
JPS5510050B2 (env) * 1973-08-13 1980-03-13
JPS5337028B2 (env) * 1973-12-11 1978-10-06
AT342335B (de) * 1974-01-07 1978-03-28 Nat Patent Dev Corp Kontaktlinse
AR208398A1 (es) * 1974-03-29 1976-12-27 Smith & Nephew Res Un copolimero hidrogel ligeramente entrelazado
GB1511901A (en) * 1974-05-06 1978-05-24 Bausch & Lomb Forming lenses and lens blanks
NZ177276A (en) * 1974-05-06 1978-04-03 Bausch & Lomb Separated interpenetrating hydrophilic and hydrophobic polymeric network: contact lens
US4113224A (en) * 1975-04-08 1978-09-12 Bausch & Lomb Incorporated Apparatus for forming optical lenses
US4039501A (en) * 1975-05-30 1977-08-02 National Patent Development Corporation Plasticized hydrophilic polymers
US4121896A (en) * 1976-03-24 1978-10-24 Shepherd Thomas H Apparatus for the production of contact lenses

Also Published As

Publication number Publication date
GB2006091B (en) 1982-03-31
AU3974878A (en) 1980-03-20
FR2402525B1 (env) 1982-02-05
US4699934A (en) 1987-10-13
AU530070B2 (en) 1983-06-30
GB2006091A (en) 1979-05-02
US4347198A (en) 1982-08-31
DE2839249A1 (de) 1979-03-22
FR2402525A1 (fr) 1979-04-06

Similar Documents

Publication Publication Date Title
EP0655470B1 (de) Vernetzbare Copolymere und Hydrogele
DE2839249A1 (de) Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens
DE69410849T2 (de) Ophthalmische Polymerlinse ein acyclisches Monomer enthaltend
DE3530907C2 (env)
DE69302855T2 (de) Optische Material mit hohem Brechungsindex und Verfahren zur Herstellung
DE2928242C2 (de) Hochbrechendes Mischpolymerisat in Form einer Linse
DE19501182C2 (de) Copolymere zur Herstellung von Gußglas, Verfahren zur Herstellung wärmeformstabiler Gußglaskörper und Verwendung
DE69309959T2 (de) Polymerzusammensetzung für kontaktlinse
DE3200479C2 (env)
DE69718254T2 (de) Weiche Kontaklinse mit hohem Wassergehalt und Verfahren zu deren Herstellung
DE69129363T2 (de) Verfahren zur herstellung eines optischen transmissionsmediums aus kunstharz
DE2934352A1 (de) Verfahren zur herstellung glasfaserverstaerkter transparenter gusskoerper
DE3329765C2 (de) Verfahren zur Herstellung schlagzäher Formmassen auf Acrylatbasis durch zweistufige Polymerisation
DE1495067A1 (de) Verfahren zur Herstellung eines Schaumstabilisatoroeles
DE3685692T2 (de) Kunststofflinsen.
EP2188317B1 (de) Verbessertes verfahren zur herstellung von getönten polymeren
DE2636092A1 (de) Verfahren zur polymerisation von styrol
DE3617755A1 (de) Copolymeres mit hohem brechungsindex
DE3689959T2 (de) Weiche Kontaktlinse mit hoher Wasserabsorption.
DE69227265T2 (de) Hydrogelmaterial
DE3750703T2 (de) Transparenter optischer Gegenstand und Verfahren zu seiner Herstellung.
DE3854226T2 (de) Optisches Material.
DE69325327T2 (de) Wasserabsorbierende Kontaktlinse
DE69625420T2 (de) Wasserabsorbierendes Material für weiche Okularlinse, wasserabsorbierende Okularlinse und Verfahren zu deren Herstellung
DE2327722C3 (de) Verfahren zur Herstellung einer thermisch verformbaren Acrylplatte

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G02B 1/04

D2 Grant after examination
8364 No opposition during term of opposition