ZA897343B - Crosslinked siloxane-urethane polymer contact lens - Google Patents

Crosslinked siloxane-urethane polymer contact lens

Info

Publication number
ZA897343B
ZA897343B ZA897343A ZA897343A ZA897343B ZA 897343 B ZA897343 B ZA 897343B ZA 897343 A ZA897343 A ZA 897343A ZA 897343 A ZA897343 A ZA 897343A ZA 897343 B ZA897343 B ZA 897343B
Authority
ZA
South Africa
Prior art keywords
contact lens
urethane polymer
crosslinked siloxane
polymer contact
siloxane
Prior art date
Application number
ZA897343A
Other languages
English (en)
Inventor
Karl F Mueller
F Mueller Karl
Paul Harisiades
Harisiades Paul
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of ZA897343B publication Critical patent/ZA897343B/xx

Links

Classifications

    • 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; 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
    • 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
    • C08G2270/00Compositions for creating interpenetrating networks
    • 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
    • Y10S525/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/903Interpenetrating network

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Eyeglasses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ZA897343A 1988-09-28 1989-09-27 Crosslinked siloxane-urethane polymer contact lens ZA897343B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/250,200 US4983702A (en) 1988-09-28 1988-09-28 Crosslinked siloxane-urethane polymer contact lens

Publications (1)

Publication Number Publication Date
ZA897343B true ZA897343B (en) 1990-06-27

Family

ID=22946713

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA897343A ZA897343B (en) 1988-09-28 1989-09-27 Crosslinked siloxane-urethane polymer contact lens

Country Status (16)

Country Link
US (2) US4983702A (de)
EP (1) EP0362145B1 (de)
JP (1) JP2898664B2 (de)
AR (1) AR245464A1 (de)
AT (1) ATE132514T1 (de)
AU (1) AU629244B2 (de)
BR (1) BR8904891A (de)
CA (1) CA1331068C (de)
DE (1) DE68925328T2 (de)
DK (1) DK475689A (de)
ES (1) ES2080758T3 (de)
GR (1) GR3018598T3 (de)
IE (1) IE70522B1 (de)
IL (1) IL91710A (de)
MX (1) MX17738A (de)
ZA (1) ZA897343B (de)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336797A (en) * 1992-12-30 1994-08-09 Bausch & Lomb Incorporated Siloxane macromonomers
US5723541A (en) * 1993-06-16 1998-03-03 Rasor Associates, Inc. Ocular lens composition and method of formation
TW328535B (en) * 1993-07-02 1998-03-21 Novartis Ag Functional photoinitiators and their manufacture
US5760100B1 (en) 1994-09-06 2000-11-14 Ciba Vision Corp Extended wear ophthalmic lens
US7468398B2 (en) 1994-09-06 2008-12-23 Ciba Vision Corporation Extended wear ophthalmic lens
US5656210A (en) * 1995-03-31 1997-08-12 Johnson & Johnson Vision Products, Inc. Reaction injection molding as a process to prepare contact lenses
US5674942A (en) * 1995-03-31 1997-10-07 Johnson & Johnson Vision Products, Inc. Interpenetrating polymer networks for contact lens production
SI0819258T1 (en) * 1995-04-04 2002-04-30 Novartis Ag Extended wear ophthalmic lens
ATE223933T1 (de) 1995-12-22 2002-09-15 Novartis Erfind Verwalt Gmbh Polyurethane aus polysiloxan-polyol-makromeren
US6001140A (en) * 1996-04-04 1999-12-14 Witco Corporation Diesel fuel and lubricating oil antifoams and methods of use
US8527026B2 (en) 1997-03-04 2013-09-03 Dexcom, Inc. Device and method for determining analyte levels
US6001067A (en) 1997-03-04 1999-12-14 Shults; Mark C. Device and method for determining analyte levels
US6011082A (en) * 1997-06-02 2000-01-04 Pharmacia & Upjohn Ab Process for the modification of elastomers with surface interpreting polymer networks and elastomers formed therefrom
US6943204B2 (en) * 1997-06-02 2005-09-13 Advanced Medical Optics Uppsala Ab Process for the modification of elastomers with surface interpenetrating polymer networks and elastomers formed therefrom
JP4616473B2 (ja) * 1997-09-16 2011-01-19 ノバルティス アーゲー 架橋結合可能なポリ尿素ポリマー類
US7052131B2 (en) * 2001-09-10 2006-05-30 J&J Vision Care, Inc. Biomedical devices containing internal wetting agents
US6822016B2 (en) 2001-09-10 2004-11-23 Johnson & Johnson Vision Care, Inc. Biomedical devices containing internal wetting agents
US6008317A (en) 1998-05-15 1999-12-28 Bausch & Lomb Incorporated Hydroxy or amino terminated hydrophilic polymers
US6218503B1 (en) 1998-05-15 2001-04-17 Bausch & Lomb Incorporated Silicone-containing prepolymers
US5969076A (en) * 1998-05-15 1999-10-19 Bausch & Lomb Incorporated Thermoplastic silicone-containing hydrogels
EP1194273B1 (de) 1999-06-11 2003-02-19 Bausch & Lomb Incorporated Linsenformwerkzeuge mit schutzschicht zur herstellung von kontaktlinsen und intraokularlinsen
US6478423B1 (en) 1999-10-12 2002-11-12 Johnson & Johnson Vison Care, Inc. Contact lens coating selection and manufacturing process
JP3929014B2 (ja) * 2000-02-24 2007-06-13 Hoyaヘルスケア株式会社 側鎖にポリシロキサン構造を有するマクロマーからなるコンタクトレンズ材料
US6451438B1 (en) 2000-11-30 2002-09-17 Mearthane Products Corporation Copolymerization of reactive silicone and urethane precursors for use in conductive, soft urethane rollers
ES2295344T3 (es) * 2001-04-27 2008-04-16 Eyesense Ag Kit para medir concentraciones de glucosa en sangre.
US20030020870A1 (en) 2001-06-27 2003-01-30 Zms, Llc Biomedical molding materials from semi-solid precursors
US20030032874A1 (en) 2001-07-27 2003-02-13 Dexcom, Inc. Sensor head for use with implantable devices
US8364229B2 (en) 2003-07-25 2013-01-29 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
US7828728B2 (en) 2003-07-25 2010-11-09 Dexcom, Inc. Analyte sensor
US7613491B2 (en) 2002-05-22 2009-11-03 Dexcom, Inc. Silicone based membranes for use in implantable glucose sensors
US7226978B2 (en) 2002-05-22 2007-06-05 Dexcom, Inc. Techniques to improve polyurethane membranes for implantable glucose sensors
JP4708023B2 (ja) * 2002-08-16 2011-06-22 ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッド コンタクトレンズ製造用成形型
US20070138692A1 (en) * 2002-09-06 2007-06-21 Ford James D Process for forming clear, wettable silicone hydrogel articles
US6979704B1 (en) 2002-10-29 2005-12-27 Jds Uniphase Corporation Optical polymer blend with bimodal particle sizes
US20040105880A1 (en) * 2002-11-21 2004-06-03 Turner Josephine Sara Interpenetrating polymer network
US7279174B2 (en) * 2003-05-08 2007-10-09 Advanced Cardiovascular Systems, Inc. Stent coatings comprising hydrophilic additives
JP2005031307A (ja) * 2003-07-10 2005-02-03 Menicon Co Ltd 低含水型ソフトコンタクトレンズ
US9763609B2 (en) 2003-07-25 2017-09-19 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
JP4708342B2 (ja) 2003-07-25 2011-06-22 デックスコム・インコーポレーテッド 埋設可能な装置に用いる酸素増大膜システム
DE10340392A1 (de) * 2003-09-02 2005-04-07 Mnemoscience Gmbh Amorphe Polyesterurethan-Netzwerke mit Form-Gedächtnis-Eigenschaften
WO2005054341A1 (ja) * 2003-12-03 2005-06-16 Konishi Co., Ltd. ビニル系-ウレタン系共重合体およびその製造方法
US8147728B2 (en) 2004-04-01 2012-04-03 Novartis Ag Pad transfer printing of silicone hydrogel lenses using colored ink
MXPA06012125A (es) 2004-04-21 2007-01-17 Novartis Ag Tintas de color curables para fabricar lentes de hidrogel de silicona coloreados.
US8277713B2 (en) 2004-05-03 2012-10-02 Dexcom, Inc. Implantable analyte sensor
US8744546B2 (en) 2005-05-05 2014-06-03 Dexcom, Inc. Cellulosic-based resistance domain for an analyte sensor
US7858000B2 (en) * 2006-06-08 2010-12-28 Novartis Ag Method of making silicone hydrogel contact lenses
DK2038310T3 (da) * 2006-07-12 2010-09-27 Novartis Ag Aktinisk tværbindelige copolymerer til fremstilling af kontaktlinser
EP1892877B1 (de) * 2006-08-25 2008-12-03 Alcatel Lucent Digitalsignalempfänger mit Q-Faktorüberwachung
AR063561A1 (es) * 2006-11-06 2009-02-04 Novartis Ag Dispositivos oculares y metodos para fabricar y utilizar los mismos
AR064286A1 (es) 2006-12-13 2009-03-25 Quiceno Gomez Alexandra Lorena Produccion de dispositivos oftalmicos basados en la polimerizacion por crecimiento escalonado fotoinducida
EP2091979A2 (de) * 2006-12-13 2009-08-26 Novartis AG Actinically härtbare silikonhydrogel copolymeren und ihre verwendung
US20200037874A1 (en) 2007-05-18 2020-02-06 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
EP2178936A4 (de) * 2007-08-03 2012-12-12 Univ Massachusetts Medical Polymerzusammensetzungen für biomedizinische anwendungen und werkstoffanwendungen
TWI551305B (zh) 2007-08-31 2016-10-01 諾華公司 相對黏稠封裝溶液之用途
WO2009058397A1 (en) 2007-11-01 2009-05-07 The University Of Akron Thermoplastic amphiphilic co-networks
EP2058355A1 (de) * 2007-11-08 2009-05-13 Bayer MaterialScience AG Polysiloxanmodifizierte Polyisocyanate
DE102007055703A1 (de) * 2007-12-04 2009-06-10 Wacker Chemie Ag Siliconhaltiger Polyurethanschaum
US8682408B2 (en) 2008-03-28 2014-03-25 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8583204B2 (en) 2008-03-28 2013-11-12 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US11730407B2 (en) 2008-03-28 2023-08-22 Dexcom, Inc. Polymer membranes for continuous analyte sensors
DE102008001384A1 (de) * 2008-04-25 2009-10-29 Wacker Chemie Ag Siliconhaltiger Polyisocyanuratschaum
EP4227675B1 (de) 2008-09-19 2024-12-11 DexCom, Inc. Partikelhaltige membran und partikelelektrode für analytsensoren
US8222341B2 (en) 2009-03-17 2012-07-17 Mearthane Products Corporation Semi-conductive silicone polymers
US9464159B2 (en) 2009-11-02 2016-10-11 Ocutec Limited Polymers for contact lenses
US20120316256A1 (en) * 2009-11-02 2012-12-13 Abdul Rashid Polymers for Contact Lenses
GB0919459D0 (en) 2009-11-06 2009-12-23 Ocutec Ltd Polymer for contact lenses
RU2576622C2 (ru) 2010-07-30 2016-03-10 Новартис Аг Амфифильные полисилоксановые преполимеры и их применение
ES2980213T3 (es) 2010-07-30 2024-09-30 Alcon Inc Lentes de hidrogel de silicona con superficies ricas en agua
CA2813469C (en) 2010-10-06 2016-01-12 Novartis Ag Polymerizable chain-extended polysiloxanes with pendant hydrophilic groups
RU2576317C2 (ru) 2010-10-06 2016-02-27 Новартис Аг Подвергаемые водной переработке силиконсодержащие форполимеры и варианты их использования
CA2811013C (en) 2010-10-06 2016-01-19 Novartis Ag Chain-extended polysiloxane crosslinkers with dangling hydrophilic polymer chains
JP6097221B2 (ja) 2010-12-14 2017-03-15 ノバルティス アーゲー カラーコンタクトレンズ
CA2851668C (en) 2011-10-12 2016-08-16 Novartis Ag Method for making uv-absorbing ophthalmic lenses by coating
SG11201403641YA (en) 2011-12-31 2014-09-26 Novartis Ag Method of making colored contact lenses
CN104023959B (zh) 2011-12-31 2016-08-03 诺华股份有限公司 具有识别标记的接触透镜
SG11201501742TA (en) * 2012-09-14 2015-04-29 Ocutec Ltd Polymers for contact lenses
HUE031702T2 (en) 2012-12-17 2017-07-28 Novartis Ag A method for producing improved UV absorbing ophthalmic lenses
US8859710B2 (en) 2013-03-15 2014-10-14 Jones-Blair Company Polysiloxane modified polyisocyanates for use in coatings
MY180543A (en) 2013-12-17 2020-12-01 Novartis Ag A silicone hydrogel lens with a crosslinked hydrophilic coating
EP3186070B1 (de) 2014-08-26 2019-09-25 Novartis AG Verfahren zum auftragen einer stabilen beschichtung auf silikonhydrogelkontaktlinsen
HUE051613T2 (hu) 2015-12-15 2021-03-01 Alcon Inc Eljárás szilíciumhidrogél-kontaktlencsékre stabil kivonat felvitelére
EP3397701B1 (de) 2015-12-28 2020-04-15 Alcon Inc. Härtbare farbige tinten zur herstellung von gefärbten silikonhydrogellinsen
JP6919992B2 (ja) * 2017-01-30 2021-08-18 信越化学工業株式会社 伸縮性膜及びその形成方法
US11884779B2 (en) 2017-02-16 2024-01-30 Momentive Performance Materials Inc. Ionically modified silicones, compositions, and medical devices formed therefrom
WO2019070780A1 (en) * 2017-10-03 2019-04-11 Dsm Ip Assets, B.V. COMPOSITIONS AND KITS FOR FORMING RIGID LENS COMPONENTS COMPRISING A CELLULOSE DERIVATIVE
SG11202003456VA (en) 2017-12-13 2020-07-29 Alcon Inc Method for producing mps-compatible water gradient contact lenses
MY204221A (en) 2019-05-28 2024-08-16 Alcon Inc Method for making opaque colored silicone hydrogel contact lenses
US20210271109A1 (en) 2019-12-19 2021-09-02 Alcon Inc. Cosmetic contact lens for color blindness
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
US20240216823A1 (en) 2020-04-28 2024-07-04 Diamant Toys Ltd Gaming kits and methods of playing with housings reconfigurable by retrievable unlocking elements
CN118765295A (zh) * 2022-03-02 2024-10-11 信越化学工业株式会社 硅氧烷改性聚氨酯组合物
EP4532186A1 (de) 2022-05-25 2025-04-09 Alcon Inc. Sandwichfarbige hydrogel-kontaktlinsen
CN117209677B (zh) * 2023-10-23 2024-04-05 山东辰星医疗科技有限公司 一种具有互穿网络的有机硅水凝胶及其制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179622A (en) * 1962-03-26 1965-04-20 Dow Corning Polysiloxane isocyanates
US3925178A (en) * 1970-04-17 1975-12-09 Hymie D Gesser Contact lenses
US4099859A (en) * 1974-12-02 1978-07-11 High Voltage Engineering Corporation Contact lens having a smooth surface layer of a hydrophilic polymer
US3996187A (en) * 1975-04-29 1976-12-07 American Optical Corporation Optically clear filled silicone elastomers
US4143949A (en) * 1976-10-28 1979-03-13 Bausch & Lomb Incorporated Process for putting a hydrophilic coating on a hydrophobic contact lens
FR2385763A1 (fr) * 1977-03-31 1978-10-27 Essilor Int Procede de preparation de copolymeres greffes de silicones
US4136250A (en) * 1977-07-20 1979-01-23 Ciba-Geigy Corporation Polysiloxane hydrogels
US4168112A (en) * 1978-01-05 1979-09-18 Polymer Technology Corporation Contact lens with a hydrophilic, polyelectrolyte complex coating and method for forming same
US4217038A (en) * 1978-06-05 1980-08-12 Bausch & Lomb Incorporated Glass coated polysiloxane contact lens
CH641063A5 (de) * 1979-12-06 1984-02-15 Balzers Hochvakuum Verfahren zum ueberziehen eines oberflaechenteiles eines elastischen koerpers mit einer zusammenhaengenden schicht.
FR2483310A1 (fr) * 1980-05-29 1981-12-04 Fibar Ste Civile Immob Procede de traitement permettant de rendre hydrophiles des lentilles corneennes de contact
US4332922A (en) * 1980-07-18 1982-06-01 Titmus Eurocon Process for rendering silicone rubber contact lenses hydrophilic
US4589964A (en) * 1980-10-08 1986-05-20 American Hospital Supply Corporation Process for graft copolymerization of a pre-formed substrate
US4311573A (en) * 1980-10-08 1982-01-19 American Hospital Supply Corporation Process for graft copolymerization of a pre-formed substrate
JPS57156005A (en) * 1981-03-20 1982-09-27 Nitto Electric Ind Co Ltd Selective permeable membrane
US4486577A (en) * 1982-10-12 1984-12-04 Ciba-Geigy Corporation Strong, silicone containing polymers with high oxygen permeability
JPS60146219A (ja) * 1984-01-11 1985-08-01 Toray Ind Inc 樹脂の製造方法
US4605712A (en) * 1984-09-24 1986-08-12 Ciba-Geigy Corporation Unsaturated polysiloxanes and polymers thereof
DE3517612A1 (de) * 1985-05-15 1987-01-02 Titmus Eurocon Kontaktlinsen Modifizierter siliconkautschuk und seine verwendung als material fuer eine optische linse sowie optische linse aus diesem material
US4766183A (en) * 1986-01-27 1988-08-23 Essex Specialty Products, Inc. Thermosetting composition for an interpenetrating polymer network system
JPS6383121A (ja) * 1986-09-29 1988-04-13 Toshiba Silicone Co Ltd ポリウレタン−ポリシロキサングラフト共重合体の製造方法
US4786657A (en) * 1987-07-02 1988-11-22 Minnesota Mining And Manufacturing Company Polyurethanes and polyurethane/polyureas crosslinked using 2-glyceryl acrylate or 2-glyceryl methacrylate

Also Published As

Publication number Publication date
IL91710A0 (en) 1990-06-10
HK1005884A1 (en) 1999-01-29
DK475689A (da) 1990-03-29
US4983702A (en) 1991-01-08
EP0362145A2 (de) 1990-04-04
ATE132514T1 (de) 1996-01-15
IL91710A (en) 1993-08-18
US5426158A (en) 1995-06-20
DE68925328D1 (de) 1996-02-15
EP0362145B1 (de) 1996-01-03
CA1331068C (en) 1994-07-26
AR245464A1 (es) 1994-01-31
AU4172389A (en) 1990-04-05
JPH02115817A (ja) 1990-04-27
IE893090L (en) 1990-03-28
IE70522B1 (en) 1996-12-11
DE68925328T2 (de) 1996-09-05
ES2080758T3 (es) 1996-02-16
GR3018598T3 (en) 1996-04-30
DK475689D0 (da) 1989-09-27
JP2898664B2 (ja) 1999-06-02
MX17738A (es) 1993-11-01
AU629244B2 (en) 1992-10-01
BR8904891A (pt) 1990-05-08
EP0362145A3 (de) 1991-03-13

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