IL117586A0 - Reaction injection molding as a process to prepare contact lenses - Google Patents

Reaction injection molding as a process to prepare contact lenses

Info

Publication number
IL117586A0
IL117586A0 IL11758696A IL11758696A IL117586A0 IL 117586 A0 IL117586 A0 IL 117586A0 IL 11758696 A IL11758696 A IL 11758696A IL 11758696 A IL11758696 A IL 11758696A IL 117586 A0 IL117586 A0 IL 117586A0
Authority
IL
Israel
Prior art keywords
injection molding
contact lenses
reaction injection
prepare contact
prepare
Prior art date
Application number
IL11758696A
Other languages
English (en)
Original Assignee
Johnson & Johnson Vision Prod
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 Vision Prod filed Critical Johnson & Johnson Vision Prod
Publication of IL117586A0 publication Critical patent/IL117586A0/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
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
IL11758696A 1995-03-31 1996-03-20 Reaction injection molding as a process to prepare contact lenses IL117586A0 (en)

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
IL117586A0 true IL117586A0 (en) 1996-07-23

Family

ID=23643934

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11758696A IL117586A0 (en) 1995-03-31 1996-03-20 Reaction injection molding as a process to prepare contact lenses

Country Status (18)

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

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6190603B1 (en) * 1997-07-19 2001-02-20 Novartis Ag Process for producing mouldings
AR017108A1 (es) * 1997-09-16 2001-08-22 Novartis Ag Prepolimeros, un proceso y un precursor para su preparacion, polimeros obtenibles a partir de dichos prepolimeros, un metodo para utilizar dichosprepolimeros para la manufactura de articulos moldeados y articulos moldeados obtenibles a partir de los prepolimeros
US6382946B1 (en) * 1998-04-01 2002-05-07 Dtl Technology Limited Partnership Molding multi-layered articles using coinjection techniques
EP1095076A4 (de) * 1998-07-08 2002-11-06 Sunsoft Corp Ineinandergreifendes polymernetzwerk aus hydrophilen hydrogelen für kontaktlinsen
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
ATE402006T1 (de) * 2004-02-27 2008-08-15 Insa Inst Nat Des Sciences App Verfahren und vorrichtung zur herstellung von einer optischen linse
US8147728B2 (en) 2004-04-01 2012-04-03 Novartis Ag Pad transfer printing of silicone hydrogel lenses using colored ink
PL1756625T3 (pl) 2004-04-21 2014-11-28 Novartis Ag Utwardzalne barwne tusze do wytwarzania silikonowo-hydrożelowych barwnych soczewek kontaktowych
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
CN101490099B (zh) 2006-07-12 2013-03-27 诺瓦提斯公司 用于制备隐形眼镜的可光化交联的共聚物
JP5669396B2 (ja) 2006-12-13 2015-02-12 ノバルティス アーゲー 化学線硬化性シリコーンヒドロゲルコポリマーおよびその使用
AR064286A1 (es) 2006-12-13 2009-03-25 Quiceno Gomez Alexandra Lorena Produccion de dispositivos oftalmicos basados en la polimerizacion por crecimiento escalonado fotoinducida
WO2008079916A2 (en) * 2006-12-21 2008-07-03 Novartis Ag High intensity uv mold pretreatment
KR101409581B1 (ko) 2007-05-18 2014-06-20 쿠퍼비젼 인터내셔날 홀딩 캄파니, 엘피 콘텍트 렌즈를 형성하기 위한 열 경화 방법 및 시스템
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
US8497023B2 (en) 2008-08-05 2013-07-30 Biomimedica, Inc. Polyurethane-grafted hydrogels
EP2609154B1 (de) 2010-08-27 2020-04-22 Hyalex Orthopaedics, Inc. Aus hydrophoben polymeren gewonnene interpenetrierende hydrophobe und hydrophile polymernetzwerke sowie verfahren zu ihrer herstellung
US9623614B2 (en) 2010-11-10 2017-04-18 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
WO2013078284A1 (en) 2011-11-21 2013-05-30 Biomimedica, Inc. Systems, devices, and methods for anchoring orthopaedic implants to bone
CN104023958B (zh) 2011-12-31 2017-03-01 诺华股份有限公司 有色接触透镜的制备方法
SG11201403592VA (en) 2011-12-31 2014-10-30 Novartis Ag Method of making contact lenses with identifying mark
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
HUE049280T2 (hu) 2015-12-28 2020-09-28 Alcon Inc Kikeményíthetõ színes tinták színes szilikon hidrogél lencsék elõállítására
CN110431203B (zh) 2017-02-16 2021-11-02 莫门蒂夫性能材料股份有限公司 经离子改性的有机硅、组合物和由其形成的医疗器材
US10869950B2 (en) 2018-07-17 2020-12-22 Hyalex Orthopaedics, Inc. Ionic polymer compositions
US11584097B2 (en) 2019-05-28 2023-02-21 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
EP4330763A1 (de) 2021-04-29 2024-03-06 Alcon Inc. Farbige kosmetische photochrome kontaktlinsen
US20230384482A1 (en) 2022-05-25 2023-11-30 Alcon Inc. Sandwich colored hydrogel contact lenses

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503942A (en) * 1965-10-23 1970-03-31 Maurice Seiderman Hydrophilic plastic contact lens
US4254065A (en) * 1979-04-04 1981-03-03 Ratkowski Donald J Injection molding of contact lenses
US4386039A (en) * 1980-02-11 1983-05-31 Thermo Electron Corporation Process for forming an optically clear polyurethane lens or cornea
US4496535A (en) * 1980-11-12 1985-01-29 Tyndale Plains-Hunter, Ltd. Polyurethane polyene compositions
US4454309A (en) * 1980-11-12 1984-06-12 Tyndale Plains-Hunter, Ltd. Polyurethane polyene compositions
US4359558A (en) * 1980-11-12 1982-11-16 Tyndale Plains-Hunter, Ltd. Polyurethane diacrylate compositions
US4408023A (en) * 1980-11-12 1983-10-04 Tyndale Plains-Hunter, Ltd. Polyurethane diacrylate compositions useful for contact lenses and the like
US4430458A (en) * 1981-10-08 1984-02-07 Kelvin Lenses Limited Hydrogel-forming polymeric materials
FR2539135B1 (fr) * 1983-01-11 1986-02-28 Essilor Int Hydrogels de polyurethane et procede de fabrication
US4536554A (en) * 1984-02-22 1985-08-20 Barnes-Hind, Inc. Hydrophilic polymers and contact lenses made therefrom
JPH0692457B2 (ja) * 1985-05-30 1994-11-16 日本石油株式会社 射出成形性の改良された超高分子量ポリエチレン組成物
US4880872A (en) * 1986-04-03 1989-11-14 Ici Americas Inc. Heat resistant high modulus reaction injection molding (RIM) polymers, blends used in the production thereof and a process for producing the same
US4780488A (en) * 1986-08-29 1988-10-25 Ciba-Geigy Corporation Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing polyoxyalkylene backbone units, and use thereof
DE3784152T3 (de) * 1986-12-26 1997-03-20 Nippon Catalytic Chem Ind Harz mit hohem Brechungsindex, Verfahren zu seiner Herstellung und optische Materialien aus diesem Harz.
JPH0788025B2 (ja) * 1987-04-28 1995-09-27 三菱瓦斯化学株式会社 偏肉補強部構造を有する合成樹脂成形品の製造法
US4857606A (en) * 1987-06-05 1989-08-15 Ciga-Geigy Corporation Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing polyoxyalkylene backbone units, and use thereof
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
EP0330615B1 (de) * 1988-02-26 1995-03-15 Ciba-Geigy Ag Benetzbare, flexible und Sauerstoff durchlassende Kontaktlinsen auf der Basis von Polyoxyalkyleneinheiten und ihre Verwendung
US4859780A (en) * 1988-02-26 1989-08-22 Ciba-Geigy Corporation Hydrophilic modifier monomers
US5087392A (en) * 1988-05-31 1992-02-11 Sola Usa, Inc. Method of mold contact lenses
US4983702A (en) * 1988-09-28 1991-01-08 Ciba-Geigy Corporation Crosslinked siloxane-urethane polymer contact lens
US5039769A (en) * 1989-10-11 1991-08-13 Ciba-Geigy Coproation Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing polyoxyalkylene backbone units, and use thereof
US5170192A (en) * 1990-11-29 1992-12-08 Pilkington Visioncare, Inc. Oxygen permeable bifocal contact lenses and their manufacture
US5356946A (en) * 1991-12-09 1994-10-18 Miles Inc. Process for preparing reaction injection moldings
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
AU693010B2 (en) 1998-06-18
DE69611323T2 (de) 2001-04-26
MX9601226A (es) 1997-03-29
NO961283L (no) 1996-10-01
EP0748685B1 (de) 2000-12-27
HU9600833D0 (en) 1996-05-28
ATE198342T1 (de) 2001-01-15
SG52605A1 (en) 1998-09-28
AU5039596A (en) 1996-10-10
TW327151B (en) 1998-02-21
NO961283D0 (no) 1996-03-29
HUP9600833A2 (en) 1997-01-28
BR9601202A (pt) 1998-01-06
CN1143566A (zh) 1997-02-26
JPH08294936A (ja) 1996-11-12
DE69611323D1 (de) 2001-02-01
KR960033718A (ko) 1996-10-22
CN1056557C (zh) 2000-09-20
EP0748685A3 (de) 1997-10-01
CA2173095A1 (en) 1996-10-01
HUP9600833A3 (en) 1998-07-28
ZA962561B (en) 1997-09-29
US5656210A (en) 1997-08-12
EP0748685A2 (de) 1996-12-18
NZ286251A (en) 1997-08-22

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