AT148655T - The method of forming silicone-containing contact lenses - Google Patents

The method of forming silicone-containing contact lenses

Info

Publication number
AT148655T
AT148655T AT92902321T AT92902321T AT148655T AT 148655 T AT148655 T AT 148655T AT 92902321 T AT92902321 T AT 92902321T AT 92902321 T AT92902321 T AT 92902321T AT 148655 T AT148655 T AT 148655T
Authority
AT
Austria
Prior art keywords
method
contact lenses
containing contact
forming silicone
silicone
Prior art date
Application number
AT92902321T
Other languages
German (de)
Inventor
Yu-Chin Lai
Original Assignee
Bausch & Lomb
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 to US07/618,448 priority Critical patent/US5158717A/en
Application filed by Bausch & Lomb filed Critical Bausch & Lomb
Publication of AT148655T publication Critical patent/AT148655T/en

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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/38Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40Plastics, e.g. foam or rubber
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/61Polysiloxanes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made
    • G02B1/04Optical elements characterised by the material of which they are made made of organic materials, e.g. plastics
    • G02B1/041Lenses
    • G02B1/043Contact lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2833/00Use of polymers of unsaturated acids or derivatives thereof as mould material
    • B29K2833/18Polymers of nitriles
    • B29K2833/20PAN, i.e. polyacrylonitrile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0093Other properties hydrophobic
    • 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
AT92902321T 1990-11-27 1991-11-20 The method of forming silicone-containing contact lenses AT148655T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/618,448 US5158717A (en) 1990-11-27 1990-11-27 Method of molding shaped polymeric articles

Publications (1)

Publication Number Publication Date
AT148655T true AT148655T (en) 1997-02-15

Family

ID=24477730

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92902321T AT148655T (en) 1990-11-27 1991-11-20 The method of forming silicone-containing contact lenses

Country Status (13)

Country Link
US (1) US5158717A (en)
EP (1) EP0560916B1 (en)
JP (1) JP3015103B2 (en)
KR (2) KR100201528B1 (en)
CN (1) CN1032909C (en)
AT (1) AT148655T (en)
BR (1) BR9107093A (en)
CA (1) CA2094920A1 (en)
DE (2) DE69124625T2 (en)
ES (1) ES2099819T3 (en)
HK (1) HK1006555A1 (en)
IE (1) IE914119A1 (en)
WO (1) WO1992009421A2 (en)

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US6020445A (en) * 1997-10-09 2000-02-01 Johnson & Johnson Vision Products, Inc. Silicone hydrogel polymers
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US6488375B2 (en) 1999-10-28 2002-12-03 Ocular Sciences, Inc. Tinted contact lens and method for making same
US6880932B2 (en) 1999-11-01 2005-04-19 Praful Doshi Tinted lenses and methods of manufacture
AT315795T (en) 1999-11-01 2006-02-15 Praful Doshi Tinted contact lens made of plastic and process for their preparation
US7048375B2 (en) 1999-11-01 2006-05-23 Praful Doshi Tinted lenses and methods of manufacture
US7267846B2 (en) 1999-11-01 2007-09-11 Praful Doshi Tinted lenses and methods of manufacture
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US6815074B2 (en) 2001-05-30 2004-11-09 Novartis Ag Polymeric materials for making contact lenses
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AT405414T (en) * 2001-10-11 2008-09-15 Coopervision Int Holding Co Lp Use and process for cast molding of contact lenses with a rounded edge shape
US6997693B2 (en) * 2001-10-19 2006-02-14 Novartis Ag Casting mold half and casting mold for producing contact lenses
US20030165015A1 (en) * 2001-12-05 2003-09-04 Ocular Sciences, Inc. Coated contact lenses and methods for making same
JP5473219B2 (en) * 2004-08-27 2014-04-16 クーパーヴィジョン インターナショナル ホウルディング カンパニー リミテッド パートナーシップ Silicone hydrogel contact lenses
US9322958B2 (en) 2004-08-27 2016-04-26 Coopervision International Holding Company, Lp Silicone hydrogel contact lenses
RU2389608C2 (en) * 2005-12-20 2010-05-20 Джонсон Энд Джонсон Вижн Кэа, Инк. Methods and systems for leaching and extracting ophthamologic lenses based on silicon hydrogel using alcohol solutions
US8944804B2 (en) * 2006-01-04 2015-02-03 Liquidia Technologies, Inc. Nanostructured surfaces for biomedical/biomaterial applications and processes thereof
KR100741611B1 (en) 2006-06-21 2007-07-13 대불대학교 산학협력단 Urethane contact lens containing silicone and method thereof
DE102006052342B4 (en) * 2006-11-07 2015-08-20 Wöhlk-Contact-Linsen GmbH Contact lens material
EP2091979A2 (en) 2006-12-13 2009-08-26 Novartis AG Actinically curable silicone hydrogel copolymers and uses thereof
AU2008228760B2 (en) * 2007-03-22 2010-09-23 Novartis Ag Prepolymers with dangling polysiloxane-containing polymer chains
EP2126614B1 (en) 2007-03-22 2019-04-24 Novartis AG Silicone-containing prepolymers with hydrophilic polymeric chains
US7901073B2 (en) * 2007-07-10 2011-03-08 Bausch & Lomb Incorporated Silicone hydrogel with composite hydrophilic and silicone polymers prepared with selective crosslink agents
US8044111B2 (en) 2007-11-30 2011-10-25 Novartis Ag Actinically-crosslinkable silicone-containing block copolymers
US20090146329A1 (en) * 2007-12-06 2009-06-11 Changhong Yin Lens release
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US8470906B2 (en) * 2008-09-30 2013-06-25 Johnson & Johnson Vision Care, Inc. Ionic silicone hydrogels having improved hydrolytic stability
TWI509312B (en) * 2009-10-01 2015-11-21 Coopervision Int Holding Co Lp Silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses
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BR112013002154A2 (en) 2010-07-30 2016-05-31 Novartis Ag amphiphilic polysiloxane prepolymers and their uses
SG186907A1 (en) 2010-07-30 2013-02-28 Coopervision Int Holding Co Lp Ophthalmic lens molds, ophthalmic lenses molded therein, and related methods
WO2012047961A1 (en) 2010-10-06 2012-04-12 Novartis Ag Polymerizable chain-extended polysiloxanes with pendant hydrophilic groups
MY161370A (en) 2011-02-28 2017-04-14 Coopervision Int Holding Co Lp Wettable silicon hydrogel contact lenses
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Also Published As

Publication number Publication date
CN1032909C (en) 1996-10-02
EP0560916A1 (en) 1993-09-22
WO1992009421A2 (en) 1992-06-11
ES2099819T3 (en) 1997-06-01
DE69124625D1 (en) 1997-03-20
KR937003141A (en) 1993-11-29
JPH06503276A (en) 1994-04-14
KR100201528B1 (en) 1999-06-15
HK1006555A1 (en) 1999-03-05
EP0560916B1 (en) 1997-02-05
JP3015103B2 (en) 2000-03-06
DE69124625T2 (en) 1997-09-25
WO1992009421A3 (en) 1992-07-09
CA2094920A1 (en) 1992-05-28
CN1061931A (en) 1992-06-17
BR9107093A (en) 1994-04-19
US5158717A (en) 1992-10-27
IE914119A1 (en) 1992-06-03

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties