ATE148655T1 - Verfahren zum formen von silikon enthaltenden kontaktlinsen - Google Patents

Verfahren zum formen von silikon enthaltenden kontaktlinsen

Info

Publication number
ATE148655T1
ATE148655T1 AT92902321T AT92902321T ATE148655T1 AT E148655 T1 ATE148655 T1 AT E148655T1 AT 92902321 T AT92902321 T AT 92902321T AT 92902321 T AT92902321 T AT 92902321T AT E148655 T1 ATE148655 T1 AT E148655T1
Authority
AT
Austria
Prior art keywords
contact lenses
containing silicone
lenses containing
molding contact
molding
Prior art date
Application number
AT92902321T
Other languages
English (en)
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
Application filed by Bausch & Lomb filed Critical Bausch & Lomb
Application granted granted Critical
Publication of ATE148655T1 publication Critical patent/ATE148655T1/de

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/61—Polysiloxanes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2833/00—Use of polymers of unsaturated acids or derivatives thereof as mould material
    • B29K2833/18—Polymers of nitriles
    • B29K2833/20—PAN, i.e. polyacrylonitrile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0093—Other properties hydrophobic
    • 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

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Medicinal Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Eyeglasses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Silicon Compounds (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
AT92902321T 1990-11-27 1991-11-20 Verfahren zum formen von silikon enthaltenden kontaktlinsen ATE148655T1 (de)

Applications Claiming Priority (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
ATE148655T1 true ATE148655T1 (de) 1997-02-15

Family

ID=24477730

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92902321T ATE148655T1 (de) 1990-11-27 1991-11-20 Verfahren zum formen von silikon enthaltenden kontaktlinsen

Country Status (13)

Country Link
US (1) US5158717A (de)
EP (1) EP0560916B1 (de)
JP (1) JP3015103B2 (de)
KR (1) KR100201528B1 (de)
CN (1) CN1032909C (de)
AT (1) ATE148655T1 (de)
BR (1) BR9107093A (de)
CA (1) CA2094920A1 (de)
DE (1) DE69124625T2 (de)
ES (1) ES2099819T3 (de)
HK (1) HK1006555A1 (de)
IE (1) IE914119A1 (de)
WO (1) WO1992009421A2 (de)

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US6822016B2 (en) 2001-09-10 2004-11-23 Johnson & Johnson Vision Care, Inc. Biomedical devices containing internal wetting agents
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US7267846B2 (en) 1999-11-01 2007-09-11 Praful Doshi Tinted lenses and methods of manufacture
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US8470906B2 (en) * 2008-09-30 2013-06-25 Johnson & Johnson Vision Care, Inc. Ionic silicone hydrogels having improved hydrolytic stability
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Also Published As

Publication number Publication date
KR930703141A (ko) 1993-11-29
CN1061931A (zh) 1992-06-17
EP0560916A1 (de) 1993-09-22
DE69124625T2 (de) 1997-09-25
DE69124625D1 (de) 1997-03-20
CN1032909C (zh) 1996-10-02
JPH06503276A (ja) 1994-04-14
CA2094920A1 (en) 1992-05-28
KR100201528B1 (ko) 1999-06-15
JP3015103B2 (ja) 2000-03-06
WO1992009421A3 (en) 1992-07-09
BR9107093A (pt) 1994-04-19
US5158717A (en) 1992-10-27
ES2099819T3 (es) 1997-06-01
WO1992009421A2 (en) 1992-06-11
EP0560916B1 (de) 1997-02-05
IE914119A1 (en) 1992-06-03
HK1006555A1 (en) 1999-03-05

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