FR2402525A1 - Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus - Google Patents

Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus

Info

Publication number
FR2402525A1
FR2402525A1 FR7825968A FR7825968A FR2402525A1 FR 2402525 A1 FR2402525 A1 FR 2402525A1 FR 7825968 A FR7825968 A FR 7825968A FR 7825968 A FR7825968 A FR 7825968A FR 2402525 A1 FR2402525 A1 FR 2402525A1
Authority
FR
France
Prior art keywords
lens
component
original solution
molds
monomers
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
FR7825968A
Other languages
English (en)
French (fr)
Other versions
FR2402525B1 (OSRAM
Inventor
Shinzo Ohkado
Hideki 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 FR2402525A1 publication Critical patent/FR2402525A1/fr
Application granted granted Critical
Publication of FR2402525B1 publication Critical patent/FR2402525B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
FR7825968A 1977-09-12 1978-09-08 Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus Granted FR2402525A1 (fr)

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
FR2402525A1 true FR2402525A1 (fr) 1979-04-06
FR2402525B1 FR2402525B1 (OSRAM) 1982-02-05

Family

ID=26448750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825968A Granted FR2402525A1 (fr) 1977-09-12 1978-09-08 Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus

Country Status (5)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187652A3 (en) * 1985-01-09 1988-11-30 Toyo Contact Lens Co., Ltd. High water-absorptive soft contact lens
EP0216074A3 (en) * 1985-07-31 1989-10-18 Ciba-Geigy Ag Polyvinyl alcohol derivatives and crosslinked hydrogel contact lenses made therefrom
WO1993004848A1 (en) * 1991-09-12 1993-03-18 Bausch & Lomb Incorporated Method and apparatus for molding lenses
EP0645235A3 (en) * 1990-04-17 1996-04-24 Johnson & Johnson Vision Prod Process for hydration of weak contact lenses.

Families Citing this family (125)

* 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
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
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
DE68927648T2 (de) * 1988-11-02 1997-04-24 British Tech Group Giessen und Verpacken 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
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
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 (OSRAM) 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
TW425410B (en) * 1995-02-03 2001-03-11 Novartis Ag Preparation of the crosslinked tinted polymers and their moldings
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
TW349967B (en) * 1995-02-03 1999-01-11 Novartis Ag Process for producing contact lenses and a cross-linkable polyvinylalcohol used therefor
KR19980701941A (ko) * 1995-02-03 1998-06-25 발덱 베르너, 케르커 니콜레 광개시제를 함유하는 가교화된 중합체
EP0807270B1 (en) * 1995-02-03 1999-03-31 Novartis AG Crosslinked polymers containing ester or amide groups
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
US6241918B1 (en) * 1998-12-28 2001-06-05 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses in ambient environment
US6610220B1 (en) 1998-12-28 2003-08-26 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses with measured exposure to oxygen
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
ATE317758T1 (de) * 2001-01-24 2006-03-15 Novartis Pharma Gmbh 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
AU2001280213B2 (en) * 2001-08-28 2007-04-26 Johnson & Johnson Vision Care Inc. Ocular lens
US20050090612A1 (en) * 2002-02-15 2005-04-28 Soane David S. Polymerization process and materials for biomedical applications
US20040119174A1 (en) * 2002-12-19 2004-06-24 Hofmann Gregory J. Method for forming ophthalmic lenses using reusable molds
WO2004097504A1 (en) * 2003-04-24 2004-11-11 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
KR101454041B1 (ko) * 2006-11-06 2014-10-27 노파르티스 아게 안구 장치 및 그의 제조 및 사용 방법
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
JP5597647B2 (ja) * 2008-12-30 2014-10-01 ノバルティス アーゲー ３官能ｕｖ吸収性化合物およびその用途
US8883051B2 (en) * 2009-12-07 2014-11-11 Novartis Ag Methods for increasing the ion permeability of contact lenses
US9005492B2 (en) * 2009-12-14 2015-04-14 Novartis Ag Methods for making silicone hydrogel lenses from water-based lens formulations
TWI875491B (zh) 2010-07-30 2025-03-01 瑞士商愛爾康公司 水合隱形鏡片
MX344720B (es) 2010-07-30 2017-01-03 Novartis Ag * Metodo para hacer lentes oftalmicos absorbentes de radiacion ultravioleta (uv).
US9623614B2 (en) 2010-11-10 2017-04-18 Novartis Ag Method for making contact lenses
GB2485905B (en) 2010-11-26 2014-03-05 Daysoft Ltd Contact lens manufacturing method
SG190057A1 (en) 2010-12-01 2013-06-28 Novartis Ag Atmospheric plasma coating for ophthalmic devices
SG190708A1 (en) 2010-12-13 2013-07-31 Novartis Ag Ophthalmic lenses modified with functional groups and methods of making thereof
SG194955A1 (en) 2011-06-09 2013-12-30 Novartis Ag Silicone hydrogel lenses with nano-textured surfaces
CA2851668C (en) 2011-10-12 2016-08-16 Novartis Ag Method for making uv-absorbing ophthalmic lenses by coating
US9505184B2 (en) 2011-11-15 2016-11-29 Novartis Ag 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
MX366036B (es) 2012-06-14 2019-06-25 Novartis Ag Copolimeros que contienen azetidinio y usos de los mismos.
US9395468B2 (en) 2012-08-27 2016-07-19 Ocular Dynamics, Llc Contact lens with a hydrophilic layer
CN104871036B (zh) 2012-12-17 2019-12-10 诺华股份有限公司 制备改进的uv吸收性眼用透镜的方法
US9950483B2 (en) 2013-05-29 2018-04-24 Novartis Ag Method for determining the surface concentration of carboxyl groups on a lens
TWI654440B (zh) 2013-11-15 2019-03-21 美商實體科學公司 具有親水層的隱形眼鏡
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
KR102397772B1 (ko) 2014-08-26 2022-05-13 알콘 인코포레이티드 폴리(옥사졸린-Co-에틸렌이민)-에피클로로히드린 공중합체 및 그의 용도
CN106715101B (zh) 2014-08-26 2019-11-05 诺华股份有限公司 用于在硅酮水凝胶接触镜片上施用稳定的涂层的方法
CN107206119B (zh) 2014-12-09 2021-01-29 实体科学公司 具有生物相容性层的医疗设备涂层
ES2837120T3 (es) 2015-03-11 2021-06-29 Univ Florida Control del tamaño de malla de lubricación en hidrogeles gemini
US10266445B2 (en) 2015-05-07 2019-04-23 Novartis Ag Method for producing contact lenses with durable lubricious coatings thereon
US9810812B2 (en) 2015-09-04 2017-11-07 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
CN108369291B (zh) 2015-12-15 2021-07-20 爱尔康公司 用于将稳定的涂层施加在硅酮水凝胶接触镜片上的方法
SG11201900553PA (en) 2016-09-20 2019-04-29 Novartis Ag Method for producing a water-soluble thermally-crosslinkable polymeric material
HUE053707T2 (hu) 2016-09-20 2021-07-28 Alcon Inc Színezett hidrogél kontaktlencsék rajtuk síkosító bevonattal
SG11201900640UA (en) 2016-09-20 2019-04-29 Novartis Ag Process for producing contact lenses with durable lubricious coatings thereon
CN109803815B (zh) * 2016-10-14 2021-06-11 爱尔康公司 制造接触镜片的方法
EP3526016B1 (en) * 2016-10-14 2025-09-10 Alcon Inc. Method for producing contact lenses
US10618986B2 (en) 2016-10-19 2020-04-14 Alcon Inc. Hydrophilic copolymer with pendant thiol groups
WO2018073702A1 (en) 2016-10-19 2018-04-26 Novartis Ag Hydrophilic copolymer with one thiol-containing terminal group
EP3532878A1 (en) 2016-10-26 2019-09-04 Novartis AG Soft contact lenses with a lubricious coating covalently-attached thereon
US10718960B2 (en) 2016-10-31 2020-07-21 Alcon Inc. Method for producing 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
WO2019016696A1 (en) 2017-07-18 2019-01-24 Novartis Ag COPOLYMERS BASED ON POLY (METH) ACRYLAMIDE HAVING SIDE CHAINS WITH CARBOXYL TERMINATION
EP3447475B1 (en) 2017-08-24 2020-06-17 Alcon Inc. Method and apparatus for determining a coefficient of friction at a test site on a surface of a contact lens
HUE057348T2 (hu) 2017-12-13 2022-05-28 Alcon Inc Eljárás MPS-kompatibilis hidrogradiens kontaktlencsék elõállítására
EP3746820B1 (en) 2018-01-30 2022-02-16 Alcon Inc. Contact lenses with a lubricious coating thereon
WO2019198034A1 (en) 2018-04-13 2019-10-17 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)
EP3953744B1 (en) 2019-04-10 2025-08-13 Alcon Inc. Method for producing coated contact lenses
WO2020240442A1 (en) 2019-05-28 2020-12-03 Alcon Inc. Pad transfer printing instrument and method for making colored contact lenses
JP7564197B2 (ja) 2019-11-04 2024-10-08 アルコン インク． 異なる柔軟性を有する表面を有するコンタクトレンズ
WO2021090170A1 (en) 2019-11-05 2021-05-14 Alcon Inc. Method for determining coating thickness on coated contact lenses
BR112022009342A2 (pt) 2019-12-16 2022-08-09 Alcon Inc Lentes de contato de hidrogel de silicone molhável
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
US20210284778A1 (en) 2020-03-11 2021-09-16 Alcon Inc. Photochromic polydiorganosiloxane vinylic crosslinkers
HUE069050T2 (hu) 2020-07-28 2025-02-28 Alcon Inc Puhább lencsefelületekkel rendelkezõ kontaktlencsék
EP4291601A1 (en) 2021-02-09 2023-12-20 Alcon Inc. Hydrophilized polydiorganosiloxane vinylic crosslinkers
US12297323B2 (en) 2021-03-23 2025-05-13 Alcon Inc. Polysiloxane vinylic crosslinkers with high refractive index
WO2022263994A1 (en) 2021-06-14 2022-12-22 Alcon Inc. Multifocal diffractive silicone hydrogel contact lenses
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
TW202411352A (zh) 2022-05-23 2024-03-16 瑞士商愛爾康公司 Ｕｖ／ｈｅｖｌ過濾性接觸鏡片
CN119731560A (zh) 2022-08-17 2025-03-28 爱尔康公司 在其上具有水凝胶涂层的接触镜片
US20240280834A1 (en) 2023-02-02 2024-08-22 Alcon Inc. Water gradient silicone hydrogel contact lenses
CN121039534A (zh) 2023-05-18 2025-11-28 爱尔康公司 Uv/hevl过滤性硅氧烷水凝胶隐形眼镜
WO2024241239A1 (en) 2023-05-25 2024-11-28 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109470A5 (OSRAM) * 1970-10-19 1972-05-26 Silor
FR2270082A1 (OSRAM) * 1974-05-06 1975-12-05 Bausch & Lomb

Family Cites Families (20)

* 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
NL137711C (OSRAM) * 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 (OSRAM) 1970-08-05
CS159361B1 (OSRAM) * 1970-09-08 1975-01-31
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 (OSRAM) * 1973-08-13 1980-03-13
JPS5337028B2 (OSRAM) * 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
US4113224A (en) * 1975-04-08 1978-09-12 Bausch & Lomb Incorporated Apparatus for forming optical lenses
NZ177276A (en) * 1974-05-06 1978-04-03 Bausch & Lomb Separated interpenetrating hydrophilic and hydrophobic polymeric network: contact lens
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109470A5 (OSRAM) * 1970-10-19 1972-05-26 Silor
FR2270082A1 (OSRAM) * 1974-05-06 1975-12-05 Bausch & Lomb

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187652A3 (en) * 1985-01-09 1988-11-30 Toyo Contact Lens Co., Ltd. High water-absorptive soft contact lens
US4829126A (en) * 1985-01-09 1989-05-09 Toyo Contact Lens Co., Ltd. High water-absorptive soft contact lens
EP0216074A3 (en) * 1985-07-31 1989-10-18 Ciba-Geigy Ag Polyvinyl alcohol derivatives and crosslinked hydrogel contact lenses made therefrom
EP0645235A3 (en) * 1990-04-17 1996-04-24 Johnson & Johnson Vision Prod Process for hydration of weak contact lenses.
WO1993004848A1 (en) * 1991-09-12 1993-03-18 Bausch & Lomb Incorporated Method and apparatus for molding lenses
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5466147A (en) * 1991-09-12 1995-11-14 Bausch & Lomb Incorporated Apparatus for molding lenses

Also Published As

Publication number Publication date
US4699934A (en) 1987-10-13
AU3974878A (en) 1980-03-20
DE2839249C2 (OSRAM) 1991-09-12
AU530070B2 (en) 1983-06-30
FR2402525B1 (OSRAM) 1982-02-05
GB2006091B (en) 1982-03-31
US4347198A (en) 1982-08-31
DE2839249A1 (de) 1979-03-22
GB2006091A (en) 1979-05-02

Similar Documents

Publication Publication Date Title
FR2402525A1 (fr) Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus
FR2403880A1 (fr) Procede de coulee de lentilles de contact
FR2383002A1 (fr) Procede et appareil pour le moulage de lentilles plastiques optiques du type standard et bifocal
FR2426520A1 (fr) Procede de fabrication d'aluminium ou d'alliages d'aluminium renforces avec de l'alumine en fibres ou filaments
FR2595293A1 (fr) Procede et materiel pour le moulage par polymerisation d'articles, notamment de lentilles, a partir de gels hydrophiles
FR2487820B1 (fr) Procede pour ameliorer le reglage de l'equilibre et pour obtenir simultanement de la vapeur d'eau sous une pression elevee dans la preparation du methanol
FR2448424A1 (fr) Procede de preparation de moule pour produit stratifie et de fabrication de skis
FR2436796A1 (fr) Procede pour la preparation de matieres a mouler a base de copolymeres d'oxymethylene avec une faible proportion de formaldehyde
FR2357586A1 (fr) Procede pour preparer des pieces moulees massives a base de polyisocyanates
US4434113A (en) Spin casting lenses having reduced spherical aberration
CN218985470U (zh) 一种便于剥离取出的水凝胶模具管
FR2418012A1 (fr) Procede et dispositif pour alimenter et distribuer un produit a filtrer sur une surface filtrante horizontale
FR2424878A1 (fr) Procede de lavage du phosphogypse residuaire obtenu lors de la decomposition, par l'acide sulfurique, de minerai phosphorique
FR2448426A1 (fr) Procede de preparation d'une piece de materiau composite par coulee d'une resine sur une piece prefabriquee
EP0131025B1 (fr) Procede et dispositif de moulage de lingotins en ferro-alliages par coulee en coquille en cuivre refroidi
JPS6418547A (en) Automatic snap flask molding method
JPS6484219A (en) Production of contact lens
JPS5228869A (en) Process for molding and the mold and heat-radiation header for the pro cess
SU1045998A1 (ru) Стопочна литейна форма
FR2396029A1 (fr) Procede de preparation de compositions polymeres diluables a l'eau et leur application au revetement cathodique de substrats metalliques
JPS57205704A (en) Production of die for molding multicored connector for optical fiber
JPS5599178A (en) Preparation of ground fish
JPH0415391Y2 (OSRAM)
JPS56142049A (en) Forming mold for tread part of caster wheel
JPS60225115A (ja) コンタクトレンズ