HK1006555A1 - Method of molding of silicon-containing contact lenses - Google Patents

Method of molding of silicon-containing contact lenses

Info

Publication number
HK1006555A1
HK1006555A1 HK98105808A HK98105808A HK1006555A1 HK 1006555 A1 HK1006555 A1 HK 1006555A1 HK 98105808 A HK98105808 A HK 98105808A HK 98105808 A HK98105808 A HK 98105808A HK 1006555 A1 HK1006555 A1 HK 1006555A1
Authority
HK
Hong Kong
Prior art keywords
contact lenses
molding
silicon
containing contact
monomers
Prior art date
Application number
HK98105808A
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
Publication of HK1006555A1 publication Critical patent/HK1006555A1/xx

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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Silicon Compounds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
HK98105808A 1990-11-27 1998-06-19 Method of molding of silicon-containing contact lenses HK1006555A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/618,448 US5158717A (en) 1990-11-27 1990-11-27 Method of molding shaped polymeric articles
PCT/US1991/008735 WO1992009421A2 (en) 1990-11-27 1991-11-20 Mold materials for silicone containing lens materials

Publications (1)

Publication Number Publication Date
HK1006555A1 true HK1006555A1 (en) 1999-03-05

Family

ID=24477730

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98105808A HK1006555A1 (en) 1990-11-27 1998-06-19 Method of molding of silicon-containing contact lenses

Country Status (13)

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

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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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US8944804B2 (en) * 2006-01-04 2015-02-03 Liquidia Technologies, Inc. Nanostructured surfaces for biomedical/biomaterial applications and processes thereof
KR100741611B1 (ko) 2006-06-21 2007-07-23 성아영 실리콘을 포함하는 우레탄 친수성 콘택트렌즈 및 그제조방법
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JP5508261B2 (ja) * 2007-07-10 2014-05-28 ボーシュ アンド ローム インコーポレイティド 架橋剤及び二重ラジカル硬化ポリマー
US8044111B2 (en) 2007-11-30 2011-10-25 Novartis Ag Actinically-crosslinkable silicone-containing block copolymers
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Also Published As

Publication number Publication date
ATE148655T1 (de) 1997-02-15
WO1992009421A3 (en) 1992-07-09
EP0560916A1 (en) 1993-09-22
ES2099819T3 (es) 1997-06-01
WO1992009421A2 (en) 1992-06-11
EP0560916B1 (en) 1997-02-05
IE914119A1 (en) 1992-06-03
JPH06503276A (ja) 1994-04-14
JP3015103B2 (ja) 2000-03-06
BR9107093A (pt) 1994-04-19
DE69124625T2 (de) 1997-09-25
CN1061931A (zh) 1992-06-17
US5158717A (en) 1992-10-27
CN1032909C (zh) 1996-10-02
KR100201528B1 (ko) 1999-06-15
KR930703141A (ko) 1993-11-29
CA2094920A1 (en) 1992-05-28
DE69124625D1 (de) 1997-03-20

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