WO1992015394A3 - Procede d'irradiation a etapes multiples utilise dans la production de compositions a base acrylique et compositions ainsi produites - Google Patents

Procede d'irradiation a etapes multiples utilise dans la production de compositions a base acrylique et compositions ainsi produites Download PDF

Info

Publication number
WO1992015394A3
WO1992015394A3 PCT/US1992/001626 US9201626W WO9215394A3 WO 1992015394 A3 WO1992015394 A3 WO 1992015394A3 US 9201626 W US9201626 W US 9201626W WO 9215394 A3 WO9215394 A3 WO 9215394A3
Authority
WO
WIPO (PCT)
Prior art keywords
compositions
production
irradiation process
acrylic
stage
Prior art date
Application number
PCT/US1992/001626
Other languages
English (en)
Other versions
WO1992015394A2 (fr
Inventor
John D Moon
Louis A Ziegler
George F Vesley
Robert C Mehner
Mark S Edberg
Robert D Anderson
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Priority to JP50741992A priority Critical patent/JPH06504809A/ja
Priority to KR1019930702541A priority patent/KR100210530B1/ko
Priority to BR9205662A priority patent/BR9205662A/pt
Priority to EP92907719A priority patent/EP0573570B1/fr
Priority to CA002105077A priority patent/CA2105077C/fr
Priority to DE69214438T priority patent/DE69214438T2/de
Publication of WO1992015394A2 publication Critical patent/WO1992015394A2/fr
Publication of WO1992015394A3 publication Critical patent/WO1992015394A3/fr
Priority to HK98107261A priority patent/HK1008044A1/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/46Polymerisation initiated by wave energy or particle radiation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/46Polymerisation initiated by wave energy or particle radiation
    • C08F2/48Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/10Esters
    • C08F20/12Esters of monohydric alcohols or phenols
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
    • C09J7/381Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385Acrylic polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00Presence of (meth)acrylic polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Nouveau procédé d'irradiation à étapes multiples utilisé dans la production de compositions à base acrylique telles que des adhésifs ou des bandes d'adhésifs autocollantes. La première étape d'irradiation utilise un rayonnement électro-magnétique à une intensité moyenne relativement faible (c'est à dire 0,1 à 20 mW/cm2) afin d'effectuer une conversion de monomère relativement faible, et l'étape suivante utilise un rayonnement électromagnétique à une intensité moyenne relativement élevée (c'est à dire supérieure à 20 mW/cm2) afin d'achever la photopolymérisation. L'invention concerne également des matières en bandes autocollantes à base acrylique produites selon le nouveau procédé.
PCT/US1992/001626 1991-02-28 1992-02-28 Procede d'irradiation a etapes multiples utilise dans la production de compositions a base acrylique et compositions ainsi produites WO1992015394A2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP50741992A JPH06504809A (ja) 1991-02-28 1992-02-28 アクリルをベースとする組成物の製造のための多段照射及びこれにより製造した組成物
KR1019930702541A KR100210530B1 (ko) 1991-02-28 1992-02-28 아크릴을 주성분으로 하는 조성물을 제조하기 위한 다단계 조사 방법 및 이로써 제조된 조성물
BR9205662A BR9205662A (pt) 1991-02-28 1992-02-28 Processo de irradiaçao de estagios multiplos, para a produçao de uma composiçao a base de acrilico, adesivo, fita adesiva sensivel à pressao, e, processo de irradiaçao de estagios multiplos para a produçao de uma fita adesiva sensivel à pressao a base de acrilico
EP92907719A EP0573570B1 (fr) 1991-02-28 1992-02-28 Procede d'irradiation a etapes multiples utilise dans la production de compositions a base acrylique et compositions ainsi produites
CA002105077A CA2105077C (fr) 1991-02-28 1992-02-28 Procede d'exposition energetique a plusieurs stades utilise dans la production de compositions a base d'acrylique, et compositions ainsi obtenues
DE69214438T DE69214438T2 (de) 1991-02-28 1992-02-28 Mehrstufiger bestrahlungsprozess zur herstellung von zusammensetzungen auf acrylbasis, und derartig hergestellte zusammensetzungen
HK98107261A HK1008044A1 (en) 1991-02-28 1998-06-27 Multi-stage irradiation process for production of acrylic based compositions and compositions made thereby

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66212291A 1991-02-28 1991-02-28
US662,122 1991-02-28
US82005792A 1992-01-16 1992-01-16
US820,057 1992-01-16

Publications (2)

Publication Number Publication Date
WO1992015394A2 WO1992015394A2 (fr) 1992-09-17
WO1992015394A3 true WO1992015394A3 (fr) 1992-10-29

Family

ID=27098471

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US1992/000798 WO1992015651A1 (fr) 1991-02-28 1992-01-31 Procede d'irradiation a etapes multiples servant a fabriquer des adhesifs a base acrylique et adhesifs produits au moyen dudit procede
PCT/US1992/001626 WO1992015394A2 (fr) 1991-02-28 1992-02-28 Procede d'irradiation a etapes multiples utilise dans la production de compositions a base acrylique et compositions ainsi produites

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US1992/000798 WO1992015651A1 (fr) 1991-02-28 1992-01-31 Procede d'irradiation a etapes multiples servant a fabriquer des adhesifs a base acrylique et adhesifs produits au moyen dudit procede

Country Status (11)

Country Link
US (1) US6339111B1 (fr)
EP (1) EP0573570B1 (fr)
JP (1) JPH06504809A (fr)
KR (1) KR100210530B1 (fr)
AU (2) AU1641492A (fr)
BR (1) BR9205662A (fr)
CA (1) CA2105077C (fr)
DE (1) DE69214438T2 (fr)
ES (1) ES2092678T3 (fr)
HK (1) HK1008044A1 (fr)
WO (2) WO1992015651A1 (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6436532B1 (en) * 1991-02-28 2002-08-20 3M Innovative Properties Company Multi-stage irradiation process for production of acrylic based adhesives and adhesives made thereby
US5654387A (en) * 1993-11-10 1997-08-05 Minnesota Mining And Manufacturing Company Pressure sensitive adhesives
US5616670A (en) * 1993-11-10 1997-04-01 Minnesota Mining And Manufacturing Company Pressure sensitive adhesives with good oily surface adhesion
US5683798A (en) * 1993-11-10 1997-11-04 Minnesota Mining And Manufacturing Company Tackified pressure sensitive adhesives
US5602221A (en) * 1993-11-10 1997-02-11 Minnesota Mining And Manufacturing Company Pressure sensitive adhesives with good low energy surface adhesion
US5902836A (en) * 1994-07-29 1999-05-11 Minnesota Mining And Manufacturing Company Acrylic syrup curable to a crosslinked viscoelastomeric material
DE10008843A1 (de) 2000-02-25 2001-09-06 Beiersdorf Ag Polare Acrylathaftklebemassen
DE10008840A1 (de) 2000-02-25 2001-09-06 Beiersdorf Ag Strukturierte UV-vernetzte Acrylathaftklebemassen
WO2002004200A1 (fr) * 2000-07-07 2002-01-17 Scapa Tapes North America, Inc. Ruban acrylique spumeux
US6841234B2 (en) 2000-08-04 2005-01-11 Scapa Tapes North America Inc. Heat-activated adhesive tape having an acrylic foam-like backing
EP1211529B1 (fr) * 2000-11-30 2007-09-19 Toyoda Gosei Co., Ltd. Procédé de fabrication d'un guide d'ondes optiques
US6513897B2 (en) 2000-12-29 2003-02-04 3M Innovative Properties Co. Multiple resolution fluid applicator and method
DE10121556A1 (de) * 2001-05-03 2002-11-14 Infineon Technologies Ag Verfahren zum Rückseitenschleifen von Wafern
EP1425163B1 (fr) * 2001-07-03 2006-06-14 Scapa Tapes North America, Inc. Ruban adhesif thermoactive dote d'un support acrylique de type mousse
JP4646457B2 (ja) * 2001-07-25 2011-03-09 日東電工株式会社 感圧性接着シートの製造方法およびその装置
JP3790148B2 (ja) * 2001-10-23 2006-06-28 日東電工株式会社 感圧性接着シートの製造方法
US6866899B2 (en) 2001-12-21 2005-03-15 3M Innovative Properties Company Polymerization method comprising sequential irradiation
US7902682B2 (en) * 2003-11-18 2011-03-08 International Business Machines Corporation Ultraviolet energy curable tape and method of making a semiconductor chip using the tape
WO2009089137A2 (fr) 2008-01-11 2009-07-16 3M Innovative Properties Company Adhésif sensible à la pression optiquement transparent décollable par étirement
US20110165361A1 (en) * 2008-09-17 2011-07-07 Sherman Audrey A Optical adhesive with diffusive properties
WO2010033558A1 (fr) * 2008-09-17 2010-03-25 3M Innovative Properties Company Adhésif sensible à la pression et diffusant la lumière
US20100113692A1 (en) * 2008-11-04 2010-05-06 Mcguire Jr James E Apparatus for Continuous Production of Partially Polymerized Compositions
US8765217B2 (en) 2008-11-04 2014-07-01 Entrotech, Inc. Method for continuous production of (meth)acrylate syrup and adhesives therefrom
KR101698221B1 (ko) 2009-03-20 2017-01-19 쓰리엠 이노베이티브 프로퍼티즈 컴파니 변경된 이형 라이너 및 변경된 접착 용품의 제조 방법
US8329079B2 (en) * 2009-04-20 2012-12-11 Entrochem, Inc. Method and apparatus for continuous production of partially polymerized compositions and polymers therefrom
EP2510066A1 (fr) 2009-12-08 2012-10-17 3M Innovative Properties Company Adhésif à diffusion optique et son procédé de fabrication
JP2011125821A (ja) * 2009-12-21 2011-06-30 Sumitomo Chemical Co Ltd ハードコートフィルムの製造方法、偏光板および画像表示装置
US8698394B2 (en) 2010-03-31 2014-04-15 3M Innovative Properties Company Electronic articles for displays and methods of making same
KR20130129239A (ko) * 2010-12-16 2013-11-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광학적으로 투명한 접착제 및 코팅을 제조하는 방법
US9289962B2 (en) 2011-05-20 2016-03-22 3M Innovative Properties Company Laser-personalizable security articles
US10017001B2 (en) 2011-05-20 2018-07-10 3M Innovative Properties Company Laser-personalizable security articles
JP5823786B2 (ja) 2011-09-12 2015-11-25 日東電工株式会社 光反応生成物シートの製造方法およびその装置
JPWO2013088889A1 (ja) * 2011-12-13 2015-04-27 昭和電工株式会社 透明両面粘着シートの製造方法、透明両面粘着シート
RU2509087C2 (ru) * 2012-04-16 2014-03-10 Закрытое акционерное объединение "Взор" (ЗАО "Взор") Способ получения полиэфиракрилатов
JP6029402B2 (ja) 2012-09-24 2016-11-24 日東電工株式会社 光反応生成物シートの製造方法およびその装置
JP2014104440A (ja) 2012-11-29 2014-06-09 Nitto Denko Corp 光反応生成物シートの製造方法およびその装置
DE102012224310A1 (de) 2012-12-21 2014-06-26 Tesa Se Gettermaterial enthaltendes Klebeband
KR102643787B1 (ko) * 2015-12-29 2024-03-06 쓰리엠 이노베이티브 프로퍼티즈 캄파니 연속 적층 제조 방법
DE102016213840A1 (de) 2016-07-27 2018-02-01 Tesa Se Klebeband zur Verkapselung elektronischer Aufbauten
DE102018218283A1 (de) 2018-09-11 2020-03-12 Tesa Se Verfahren zum Aufbringen von Stanzteilen auf Oberflächen sowie Testverfahren dafür
DE102018215651A1 (de) 2018-09-14 2020-03-19 Tesa Se Elastischer flammgeschützter Polyurethanschaum, Klebeband mit einem Träger daraus sowie Herstellungsverfahren dafür
CN114867805B (zh) 2019-12-09 2024-04-02 3M创新有限公司 阻燃压敏粘合剂
CN116848207A (zh) 2020-11-16 2023-10-03 3M创新有限公司 高温稳定的光学透明压敏粘合剂
CN117597231A (zh) 2021-06-30 2024-02-23 3M创新有限公司 无线电波减反射片、带材和车辆构件
WO2024069320A1 (fr) 2022-09-27 2024-04-04 3M Innovative Properties Company Adhésifs optiquement transparents à auto-amorçage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241823A (en) * 1967-10-11 1971-08-04 Sun Chemical Corp Radiation-curable compositions
US4181752A (en) * 1974-09-03 1980-01-01 Minnesota Mining And Manufacturing Company Acrylic-type pressure sensitive adhesives by means of ultraviolet radiation curing
US4329384A (en) * 1980-02-14 1982-05-11 Minnesota Mining And Manufacturing Company Pressure-sensitive adhesive tape produced from photoactive mixture of acrylic monomers and polynuclear-chromophore-substituted halomethyl-2-triazine
FR2596765A1 (fr) * 1986-04-04 1987-10-09 Dai Ichi Kogyo Seiyaku Co Ltd Procede de preparation de polymeres acryliques de poids moleculaire eleve

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897295A (en) 1969-01-16 1975-07-29 Ppg Industries Inc Ionizing radiation method for forming acrylic pressure sensitive adhesives and coated substrates
JPS515664B2 (fr) 1972-05-04 1976-02-21
DE2842938A1 (de) 1978-10-02 1980-04-17 Roehm Gmbh Verfahren zum polymerisieren mittels uv-licht
FR2489336B1 (fr) 1980-09-04 1985-09-13 Rhone Poulenc Spec Chim Procede de preparation de polymeres ou copolymeres hydrosolubles a poids moleculaire eleve et a faible teneur en monomere(s) residuel(s), a partir de monomeres olefiniquement insatures
US4762802A (en) 1984-11-09 1988-08-09 American Telephone And Telegraph Company At&T, Bell Laboratories Method for preventing latchup in CMOS devices
JPH0753849B2 (ja) * 1988-08-29 1995-06-07 積水化学工業株式会社 アクリル系粘着テープもしくはシートの製造方法
JPH0778202B2 (ja) * 1988-10-18 1995-08-23 積水化学工業株式会社 アクリル系粘着テープもしくはシートの製造方法
JPH03250081A (ja) 1990-01-17 1991-11-07 Sekisui Chem Co Ltd 粘着テープの製造方法
JP2806599B2 (ja) 1990-04-20 1998-09-30 積水化学工業株式会社 粘着フィルムまたはシートの製造方法
US6174931B1 (en) 1991-02-28 2001-01-16 3M Innovative Properties Company Multi-stage irradiation process for production of acrylic based compositions and compositions made thereby
JP2988549B2 (ja) 1991-12-26 1999-12-13 ソニーケミカル株式会社 両面粘着テープの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241823A (en) * 1967-10-11 1971-08-04 Sun Chemical Corp Radiation-curable compositions
US4181752A (en) * 1974-09-03 1980-01-01 Minnesota Mining And Manufacturing Company Acrylic-type pressure sensitive adhesives by means of ultraviolet radiation curing
US4329384A (en) * 1980-02-14 1982-05-11 Minnesota Mining And Manufacturing Company Pressure-sensitive adhesive tape produced from photoactive mixture of acrylic monomers and polynuclear-chromophore-substituted halomethyl-2-triazine
FR2596765A1 (fr) * 1986-04-04 1987-10-09 Dai Ichi Kogyo Seiyaku Co Ltd Procede de preparation de polymeres acryliques de poids moleculaire eleve

Also Published As

Publication number Publication date
DE69214438T2 (de) 1997-04-30
ES2092678T3 (es) 1996-12-01
CA2105077A1 (fr) 1992-08-29
AU1641492A (en) 1992-10-06
WO1992015651A1 (fr) 1992-09-17
BR9205662A (pt) 1994-05-17
KR930703072A (ko) 1993-11-29
EP0573570B1 (fr) 1996-10-09
CA2105077C (fr) 2003-07-29
JPH06504809A (ja) 1994-06-02
KR100210530B1 (ko) 1999-07-15
US6339111B1 (en) 2002-01-15
WO1992015394A2 (fr) 1992-09-17
DE69214438D1 (de) 1996-11-14
AU1458692A (en) 1992-10-06
EP0573570A1 (fr) 1993-12-15
HK1008044A1 (en) 1999-04-30

Similar Documents

Publication Publication Date Title
WO1992015394A3 (fr) Procede d'irradiation a etapes multiples utilise dans la production de compositions a base acrylique et compositions ainsi produites
AU544431B2 (en) Polyacrylate adhesive
EP1188802A3 (fr) Adhésifs autocollants et timbres-poste auto-adhésifs fabriqués avec ces adhésifs autocollants
AU2002335014A1 (en) Multi-stage irradiation process for producing of acrylic based adhesive
ES8500981A1 (es) Un metodo de fabricar una cinta adhesiva normalmente pegajosa y sensible a la presion.
ES2151183T3 (es) Fotoiniciador.
JPS53129231A (en) Adhesion composition
CA2009458A1 (fr) Polyesters d'acrylate radiosensibles
MY131182A (en) Pressure-sensitive adhesives
GB1468886A (fr)
JPS543136A (en) Pressure-sensitive adhesives
CA2212866A1 (fr) Procede de preparation d'adhesifs acryliques du genre solvant, sensibles a la pression, et adhesif medical sensible a la pression
BR9306470A (pt) Copolímeros em bloco sensíveis à radiação processo para a preparação dos mesmos composições selantes para revestimento ou adesivas curáveis por radiação e fitas ou etiquetas curáveis sensíveis à pressao
MY118879A (en) Pressure - sensitive adhesive of (meth) acrylate, unsaturated acid, poly(meth) acrytlate and epoxy resin
EP0338724A3 (fr) Adhésif sensible à la pression
KR950700973A (ko) 자외 방사선 경화가능한 감압성 아크릴레이트 접착제 조성물(ultraviolet radiation curable acrylate pressuresensitive adhesive compositions)
EP0340591A3 (fr) Adhésifs durcissables dans l'obscurité et réticulables à la lumière
JPS5437184A (en) Novel diallylphthalate curable compound, its preparation, and adhesive and paint containing resin therefrom
JPS54129034A (en) Coating resin composition curable with actinic energy radiation
JPS52113916A (en) Preparation of multifunctional acrylates
JPS54133527A (en) Photosensitive adhesive composition
EP0385149A3 (fr) Composition d'adhésif photoréticulable et leur utilisation
JPS5414443A (en) Ultraviolet curing adhesive composition
ES2005842A6 (es) Agentes sellantes, pegamentos, masas aislantes y reacbrimientos a base de esteres del acido metacrilico.
JPS5565211A (en) Coating resin composition curable with actinic irradiation

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AU BR CA JP KR

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FR GB GR IT LU MC NL SE

AK Designated states

Kind code of ref document: A3

Designated state(s): AU BR CA JP KR

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FR GB GR IT LU MC NL SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 1019930702541

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 2105077

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 1992907719

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1992907719

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1992907719

Country of ref document: EP