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 JP10892677A external-priority patent/JPS5443284A/ja
Priority claimed from JP10892577A external-priority patent/JPS5923271B2/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
JP10892677A JPS5443284A (en) 1977-09-12 1977-09-12 Dope for forming soft contact lens
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

Publications (2)

Publication Number Publication Date
DE2839249A1 DE2839249A1 (de) 1979-03-22
DE2839249C2 true DE2839249C2 (forum.php) 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 (forum.php)
AU (1) AU530070B2 (forum.php)
DE (1) DE2839249A1 (forum.php)
FR (1) FR2402525A1 (forum.php)
GB (1) GB2006091B (forum.php)

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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
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DE3688578T2 (de) * 1985-07-31 1993-10-28 Ciba Geigy Polyvinylalkoholderivate und vernetzte Hydrogelkontaktlinsen.
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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
JP2802287B2 (ja) * 1988-05-31 1998-09-24 ピルキングトン ビジョンケア インコーポレイテッド コンタクトレンズ材料とその製法
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US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
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US5137441A (en) * 1990-10-30 1992-08-11 Minnesota Mining And Manufacturing Company Mold assembly for making an ocular lens blank
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
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
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US6663801B2 (en) 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
DE60130812T2 (de) * 2001-08-28 2008-07-03 Johnson & Johnson Vision Care, Inc., Jacksonville Okularlinse
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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
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US8883051B2 (en) * 2009-12-07 2014-11-11 Novartis Ag Methods for increasing the ion permeability of contact lenses
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WO2022201013A1 (en) 2021-03-23 2022-09-29 Alcon Inc. Polysiloxane vinylic crosslinkers with high refractive index
JP2024521780A (ja) 2021-06-14 2024-06-04 アルコン インク. 多焦点回折シリコーンヒドロゲルコンタクトレンズ
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
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Also Published As

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

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