IL91710A - Crosslinked siloxane- urethane polymer contact lens - Google Patents

Crosslinked siloxane- urethane polymer contact lens

Info

Publication number
IL91710A
IL91710A IL91710A IL9171089A IL91710A IL 91710 A IL91710 A IL 91710A IL 91710 A IL91710 A IL 91710A IL 9171089 A IL9171089 A IL 9171089A IL 91710 A IL91710 A IL 91710A
Authority
IL
Israel
Prior art keywords
contact lens
urethane polymer
crosslinked siloxane
polymer contact
siloxane
Prior art date
Application number
IL91710A
Other languages
English (en)
Other versions
IL91710A0 (en
Original Assignee
Ciba Geigy Ag
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 Ag filed Critical Ciba Geigy Ag
Publication of IL91710A0 publication Critical patent/IL91710A0/xx
Publication of IL91710A publication Critical patent/IL91710A/xx

Links

Classifications

    • 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
    • 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
    • C08G2270/00—Compositions for creating interpenetrating networks
    • 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
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/903—Interpenetrating 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)
IL91710A 1988-09-28 1989-09-21 Crosslinked siloxane- urethane polymer contact lens IL91710A (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 (2)

Publication Number Publication Date
IL91710A0 IL91710A0 (en) 1990-06-10
IL91710A true IL91710A (en) 1993-08-18

Family

ID=22946713

Family Applications (1)

Application Number Title Priority Date Filing Date
IL91710A IL91710A (en) 1988-09-28 1989-09-21 Crosslinked siloxane- urethane polymer contact lens

Country Status (17)

Country Link
US (2) US4983702A (xx)
EP (1) EP0362145B1 (xx)
JP (1) JP2898664B2 (xx)
AR (1) AR245464A1 (xx)
AT (1) ATE132514T1 (xx)
AU (1) AU629244B2 (xx)
BR (1) BR8904891A (xx)
CA (1) CA1331068C (xx)
DE (1) DE68925328T2 (xx)
DK (1) DK475689A (xx)
ES (1) ES2080758T3 (xx)
GR (1) GR3018598T3 (xx)
HK (1) HK1005884A1 (xx)
IE (1) IE70522B1 (xx)
IL (1) IL91710A (xx)
MX (1) MX17738A (xx)
ZA (1) ZA897343B (xx)

Families Citing this family (92)

* 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
EP0868457B1 (en) * 1995-12-22 2002-09-11 Novartis AG Polyurethanes made from polysiloxane/polyol macromers
US6001140A (en) * 1996-04-04 1999-12-14 Witco Corporation Diesel fuel and lubricating oil antifoams and methods of use
US6001067A (en) 1997-03-04 1999-12-14 Shults; Mark C. Device and method for determining analyte levels
US8527026B2 (en) 1997-03-04 2013-09-03 Dexcom, Inc. Device and method for determining analyte levels
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
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
US6479587B1 (en) * 1997-09-16 2002-11-12 Novartis Ag Crosslinkable polyurea polymers
US6822016B2 (en) 2001-09-10 2004-11-23 Johnson & Johnson Vision Care, Inc. Biomedical devices containing internal wetting agents
US7052131B2 (en) * 2001-09-10 2006-05-30 J&J Vision Care, Inc. Biomedical devices containing internal wetting agents
US5969076A (en) * 1998-05-15 1999-10-19 Bausch & Lomb Incorporated Thermoplastic silicone-containing hydrogels
US6218503B1 (en) 1998-05-15 2001-04-17 Bausch & Lomb Incorporated Silicone-containing prepolymers
US6008317A (en) 1998-05-15 1999-12-28 Bausch & Lomb Incorporated Hydroxy or amino terminated hydrophilic polymers
ES2192530T3 (es) * 1999-06-11 2003-10-16 Bausch & Lomb Moldes de lente con recubrimientos protectores para la produccion de lentes de contacto y lentes intraoculares.
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
US20040152963A1 (en) * 2001-04-27 2004-08-05 March Wayne Front Apparatus for measuring blood glucose concentrations
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
US7613491B2 (en) 2002-05-22 2009-11-03 Dexcom, Inc. Silicone based membranes for use in implantable glucose sensors
US8364229B2 (en) 2003-07-25 2013-01-29 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
US7226978B2 (en) 2002-05-22 2007-06-05 Dexcom, Inc. Techniques to improve polyurethane membranes for implantable glucose sensors
DE10393129T5 (de) * 2002-08-16 2005-09-01 Johnson & Johnson Vision Care, Inc., Jacksonville Formen für die Herstellung von Kontaktlinsen
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
EP1648298A4 (en) 2003-07-25 2010-01-13 Dexcom Inc OXYGEN-IMPROVED MEMBRANE SYSTEMS FOR IMPLANTABLE DEVICES
DE10340392A1 (de) * 2003-09-02 2005-04-07 Mnemoscience Gmbh Amorphe Polyesterurethan-Netzwerke mit Form-Gedächtnis-Eigenschaften
JP4854301B2 (ja) * 2003-12-03 2012-01-18 コニシ株式会社 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
DK1756625T3 (da) 2004-04-21 2014-08-11 Novartis Ag Hærdbart farvet blæk til fremstilling af farvede silikonehydrogel-linser
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
WO2007120381A2 (en) 2006-04-14 2007-10-25 Dexcom, Inc. Analyte sensor
US7858000B2 (en) * 2006-06-08 2010-12-28 Novartis Ag Method of making silicone hydrogel contact lenses
AU2007272558B2 (en) 2006-07-12 2010-12-09 Novartis Ag Actinically crosslinkable copolymers for manufacturing contact lenses
DE602006004043D1 (de) * 2006-08-25 2009-01-15 Alcatel Lucent Digitalsignalempfänger mit Q-Faktorüberwachung
KR101454041B1 (ko) * 2006-11-06 2014-10-27 노파르티스 아게 안구 장치 및 그의 제조 및 사용 방법
AR064286A1 (es) 2006-12-13 2009-03-25 Quiceno Gomez Alexandra Lorena Produccion de dispositivos oftalmicos basados en la polimerizacion por crecimiento escalonado fotoinducida
CA2671740C (en) 2006-12-13 2015-08-11 Novartis Ag Actinically curable silicone hydrogel copolymers and uses thereof
US20200037874A1 (en) 2007-05-18 2020-02-06 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
WO2009020550A2 (en) * 2007-08-03 2009-02-12 University Of Massachusetts Medical School Composites for biomedical applications
TWI551305B (zh) 2007-08-31 2016-10-01 諾華公司 相對黏稠封裝溶液之用途
EP2207824A4 (en) * 2007-11-01 2011-02-16 Univ 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
US11730407B2 (en) 2008-03-28 2023-08-22 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8583204B2 (en) 2008-03-28 2013-11-12 Dexcom, Inc. Polymer membranes for continuous analyte sensors
DE102008001384A1 (de) * 2008-04-25 2009-10-29 Wacker Chemie Ag Siliconhaltiger Polyisocyanuratschaum
US8560039B2 (en) 2008-09-19 2013-10-15 Dexcom, Inc. Particle-containing membrane and particulate electrode for analyte sensors
US8222341B2 (en) 2009-03-17 2012-07-17 Mearthane Products Corporation Semi-conductive silicone polymers
EP2496620B1 (en) * 2009-11-02 2014-06-25 Ocutec Limited Polymers for contact lenses
EP2496622B1 (en) 2009-11-02 2016-07-13 Ocutec Limited Polymers for contact lenses
GB0919459D0 (en) 2009-11-06 2009-12-23 Ocutec Ltd Polymer for contact lenses
EP2598937B1 (en) 2010-07-30 2016-06-29 Novartis AG Amphiphilic polysiloxane prepolymers and uses thereof
US8480227B2 (en) 2010-07-30 2013-07-09 Novartis Ag Silicone hydrogel lenses with water-rich surfaces
CA2808462C (en) 2010-10-06 2016-01-12 Novartis Ag Water-processable silicone-containing prepolymers and uses thereof
US8835525B2 (en) 2010-10-06 2014-09-16 Novartis Ag Chain-extended polysiloxane crosslinkers with dangling hydrophilic polymer chains
JP5784131B2 (ja) 2010-10-06 2015-09-24 ノバルティス アーゲー ペンダント親水性基を持つ重合しうる鎖延長ポリシロキサン
US8770747B2 (en) 2010-12-14 2014-07-08 Novartis Ag Colored contact lens
CN103917899B (zh) 2011-10-12 2018-04-03 诺华股份有限公司 通过涂布制备uv吸收性眼用透镜的方法
SG11201403592VA (en) 2011-12-31 2014-10-30 Novartis Ag Method of making contact lenses with identifying mark
MY171175A (en) 2011-12-31 2019-09-30 Alcon Inc Colored contact lenses and method of making the same
JP6280552B2 (ja) * 2012-09-14 2018-02-14 オキュテック リミティド コンタクトレンズ用ポリマー
US10338408B2 (en) 2012-12-17 2019-07-02 Novartis Ag Method for making improved UV-absorbing ophthalmic lenses
US8859710B2 (en) 2013-03-15 2014-10-14 Jones-Blair Company Polysiloxane modified polyisocyanates for use in coatings
US9708087B2 (en) 2013-12-17 2017-07-18 Novartis Ag Silicone hydrogel lens with a crosslinked hydrophilic coating
HUE046948T2 (hu) 2014-08-26 2020-03-30 Novartis Ag Eljárás stabil bevonat felvitelére szilikon hidrogél kontaktlencsékre
MY184638A (en) 2015-12-15 2021-04-13 Alcon Inc Method for applying stable coating on silicone hydrogel contact lenses
HUE049280T2 (hu) 2015-12-28 2020-09-28 Alcon Inc Kikeményíthetõ színes tinták színes szilikon hidrogél lencsék elõállítására
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
EP3583177B1 (en) 2017-02-16 2020-12-23 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
EP3724698B1 (en) 2017-12-13 2021-12-15 Alcon Inc. Method for producing mps-compatible water gradient contact lenses
WO2020240440A1 (en) 2019-05-28 2020-12-03 Alcon Inc. Method for making opaque colored silicone hydrogel contact lenses
WO2021124120A1 (en) 2019-12-19 2021-06-24 Alcon Inc. Cosmetic contact lens for color blindness
TW202142576A (zh) 2020-01-27 2021-11-16 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
WO2023167021A1 (ja) * 2022-03-02 2023-09-07 信越化学工業株式会社 シロキサン変性ポリウレタン組成物
TW202413070A (zh) 2022-05-25 2024-04-01 瑞士商愛爾康公司 夾層式有色水凝膠接觸鏡片
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
US4311573A (en) * 1980-10-08 1982-01-19 American Hospital Supply Corporation Process for graft copolymerization of a pre-formed substrate
US4589964A (en) * 1980-10-08 1986-05-20 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
DE68925328D1 (de) 1996-02-15
ATE132514T1 (de) 1996-01-15
EP0362145A3 (en) 1991-03-13
ZA897343B (en) 1990-06-27
JP2898664B2 (ja) 1999-06-02
IL91710A0 (en) 1990-06-10
DK475689D0 (da) 1989-09-27
EP0362145B1 (en) 1996-01-03
IE893090L (en) 1990-03-28
US4983702A (en) 1991-01-08
GR3018598T3 (en) 1996-04-30
AU629244B2 (en) 1992-10-01
BR8904891A (pt) 1990-05-08
AU4172389A (en) 1990-04-05
ES2080758T3 (es) 1996-02-16
IE70522B1 (en) 1996-12-11
CA1331068C (en) 1994-07-26
EP0362145A2 (en) 1990-04-04
AR245464A1 (es) 1994-01-31
DK475689A (da) 1990-03-29
US5426158A (en) 1995-06-20
HK1005884A1 (en) 1999-01-29
DE68925328T2 (de) 1996-09-05
JPH02115817A (ja) 1990-04-27
MX17738A (es) 1993-11-01

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