BR9601202A - Processo para a preparação de lentes de contato moldagem por injeção com reação - Google Patents

Processo para a preparação de lentes de contato moldagem por injeção com reação

Info

Publication number
BR9601202A
BR9601202A BR9601202A BR9601202A BR9601202A BR 9601202 A BR9601202 A BR 9601202A BR 9601202 A BR9601202 A BR 9601202A BR 9601202 A BR9601202 A BR 9601202A BR 9601202 A BR9601202 A BR 9601202A
Authority
BR
Brazil
Prior art keywords
reaction
injection molding
contact lenses
preparing contact
preparing
Prior art date
Application number
BR9601202A
Other languages
English (en)
Inventor
Gregory A Hill
Kurt C Frisch
Vahid Sendijarevic
Shaio-Wen Wong
Original Assignee
Johnson & Johnson
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 Johnson & Johnson filed Critical Johnson & Johnson
Publication of BR9601202A publication Critical patent/BR9601202A/pt

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
    • B29D11/02—Artificial eyes from organic plastic material
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
    • 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
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/637—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the in situ polymerisation of the compounds having carbon-to-carbon double bonds in a reaction mixture of saturated polymers and isocyanates
    • 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/02—Polyureas
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—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
    • C08G2120/00—Compositions for reaction injection moulding processes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/04—Polymer mixtures characterised by other features containing 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
BR9601202A 1995-03-31 1996-03-29 Processo para a preparação de lentes de contato moldagem por injeção com reação BR9601202A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/415,000 US5656210A (en) 1995-03-31 1995-03-31 Reaction injection molding as a process to prepare contact lenses

Publications (1)

Publication Number Publication Date
BR9601202A true BR9601202A (pt) 1998-01-06

Family

ID=23643934

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9601202A BR9601202A (pt) 1995-03-31 1996-03-29 Processo para a preparação de lentes de contato moldagem por injeção com reação

Country Status (18)

Country Link
US (1) US5656210A (pt)
EP (1) EP0748685B1 (pt)
JP (1) JPH08294936A (pt)
KR (1) KR960033718A (pt)
CN (1) CN1056557C (pt)
AT (1) ATE198342T1 (pt)
AU (1) AU693010B2 (pt)
BR (1) BR9601202A (pt)
CA (1) CA2173095A1 (pt)
DE (1) DE69611323T2 (pt)
HU (1) HUP9600833A3 (pt)
IL (1) IL117586A0 (pt)
MX (1) MX9601226A (pt)
NO (1) NO961283L (pt)
NZ (1) NZ286251A (pt)
SG (1) SG52605A1 (pt)
TW (1) TW327151B (pt)
ZA (1) ZA962561B (pt)

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US6382946B1 (en) * 1998-04-01 2002-05-07 Dtl Technology Limited Partnership Molding multi-layered articles using coinjection techniques
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US6241918B1 (en) 1998-12-28 2001-06-05 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses in ambient environment
US6943348B1 (en) * 1999-10-19 2005-09-13 Masimo Corporation System for detecting injection holding material
FR2809736A1 (fr) * 2000-05-31 2001-12-07 Corning Sa Preparation d'une composition stable de monomeres copolymerisables radicalairement, renfermant au moins un monomere a fonction(s) uree
DE60209180T2 (de) * 2001-01-24 2006-09-28 Novartis Ag Verfahren zur Herstellung von Linsen
CA2371965C (en) * 2001-02-23 2010-07-06 Johnson & Johnson Vision Care, Inc. Colorants for use in tinted contact lenses and methods for their production
US6939486B2 (en) * 2002-06-25 2005-09-06 Bausch & Lomb Incorporated Apparatus and method for making intraocular lenses
US7186442B2 (en) * 2003-06-11 2007-03-06 Sika Technology Ag Constrained layer damper
US7977430B2 (en) * 2003-11-25 2011-07-12 Novartis Ag Crosslinkable polyurea prepolymers
EP1568474B1 (en) * 2004-02-27 2008-07-23 INSA (Institut National des Sciences Appliqées) Process and installation for molding an optical lens
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.
US9248614B2 (en) * 2004-06-30 2016-02-02 Novartis Ag Method for lathing silicone hydrogel lenses
US20090088846A1 (en) 2007-04-17 2009-04-02 David Myung Hydrogel arthroplasty device
US7857849B2 (en) * 2004-10-05 2010-12-28 The Board Of Trustees Of The Leland Stanford Junior Iniversity Artificial corneal implant
FR2886574B1 (fr) * 2005-06-06 2009-07-10 Essilor Int Moule et procede de moulage, notamment par moulage par injection reactive, en particulier d'un element optique en materiau polymere
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
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 (en) * 2006-12-13 2009-08-26 Novartis AG Actinically curable silicone hydrogel copolymers and uses thereof
SG191444A1 (en) * 2006-12-21 2013-07-31 Novartis Ag High intensity uv mold pretreatment
MY147130A (en) * 2007-05-18 2012-10-31 Coopervision Int Holding Co Lp Thermal curing methods and systems for forming contact lenses
TWI551305B (zh) 2007-08-31 2016-10-01 諾華公司 相對黏稠封裝溶液之用途
US20090068250A1 (en) * 2007-09-07 2009-03-12 Philippe Gravagna Bioresorbable and biocompatible compounds for surgical use
US20090155958A1 (en) * 2007-12-13 2009-06-18 Boris Kolodin Robust die bonding process for led dies
US20120209396A1 (en) 2008-07-07 2012-08-16 David Myung Orthopedic implants having gradient polymer alloys
EP2323670A4 (en) 2008-08-05 2013-12-25 Biomimedica Inc POLYURETHANE-GEPPROPFTE HYDROGELE
US20130217829A1 (en) 2010-08-27 2013-08-22 David Myung "hydrophobic and hydrophilic interpenetrating polymer networks derived from hydrophobic polymers and methods of preparing the same"
WO2012064699A1 (en) 2010-11-10 2012-05-18 Novartis Ag Method for making contact lenses
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
WO2013052105A2 (en) 2011-10-03 2013-04-11 Biomimedica, Inc. Polymeric adhesive for anchoring compliant materials to another surface
AU2012340699A1 (en) 2011-11-21 2014-06-19 Biomimedica, Inc. Systems, devices, and methods for anchoring orthopaedic implants to bone
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
GB201207481D0 (en) 2012-04-26 2012-06-13 Zephyros Inc Applying flowable materials to synthetic substrates
US11077228B2 (en) 2015-08-10 2021-08-03 Hyalex Orthopaedics, Inc. Interpenetrating polymer networks
EP3397701B1 (en) 2015-12-28 2020-04-15 Alcon Inc. Curable colored inks for making colored silicone hydrogel lenses
US11884779B2 (en) 2017-02-16 2024-01-30 Momentive Performance Materials Inc. Ionically modified silicones, compositions, and medical devices formed therefrom
US10869950B2 (en) 2018-07-17 2020-12-22 Hyalex Orthopaedics, Inc. Ionic polymer compositions
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
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US5451651A (en) * 1993-12-17 1995-09-19 Bausch & Lomb Incorporated Urea and urethane monomers for contact lens materials

Also Published As

Publication number Publication date
ZA962561B (en) 1997-09-29
MX9601226A (es) 1997-03-29
CN1056557C (zh) 2000-09-20
EP0748685B1 (en) 2000-12-27
CA2173095A1 (en) 1996-10-01
NO961283L (no) 1996-10-01
HU9600833D0 (en) 1996-05-28
DE69611323T2 (de) 2001-04-26
EP0748685A3 (en) 1997-10-01
AU5039596A (en) 1996-10-10
NO961283D0 (no) 1996-03-29
AU693010B2 (en) 1998-06-18
HUP9600833A2 (en) 1997-01-28
IL117586A0 (en) 1996-07-23
DE69611323D1 (de) 2001-02-01
JPH08294936A (ja) 1996-11-12
TW327151B (en) 1998-02-21
CN1143566A (zh) 1997-02-26
ATE198342T1 (de) 2001-01-15
NZ286251A (en) 1997-08-22
KR960033718A (ko) 1996-10-22
US5656210A (en) 1997-08-12
SG52605A1 (en) 1998-09-28
HUP9600833A3 (en) 1998-07-28
EP0748685A2 (en) 1996-12-18

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law