KR920016493A - 중합체 발포물 제조방법 및 이에 사용되는 화학적 조성물 - Google Patents
중합체 발포물 제조방법 및 이에 사용되는 화학적 조성물 Download PDFInfo
- Publication number
- KR920016493A KR920016493A KR1019920001594A KR920001594A KR920016493A KR 920016493 A KR920016493 A KR 920016493A KR 1019920001594 A KR1019920001594 A KR 1019920001594A KR 920001594 A KR920001594 A KR 920001594A KR 920016493 A KR920016493 A KR 920016493A
- Authority
- KR
- South Korea
- Prior art keywords
- reactive
- isocyanate
- cyclic
- compound
- metal salt
- Prior art date
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-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0028—Use of organic additives containing nitrogen
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3218—Polyhydroxy compounds containing cyclic groups having at least one oxygen atom in the ring
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3842—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring
- C08G18/3848—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring containing two nitrogen atoms in the ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- C08G2115/00—Oligomerisation
- C08G2115/02—Oligomerisation to isocyanurate 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
- C08G2330/00—Thermal insulation material
- C08G2330/50—Evacuated open-celled polymer material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (10)
- 반응이 마이크로에멀젼 또는 유체의 분산상으로서 존재하는 불활성이고 불용성인 유기 액체 존재내에서 행해지고, 이소시아네이트 반응성 물질이 최소한 하나의 다음 구조식을 갖는 이소시아네이트와 반응성이 있는 환식 화합물로 이루어지는 것을 특징으로 하는, 발포 촉진제 및 금속염 촉매 존재내에서 유기 플리이소시아네이트를 이소시아네이트 반응성 물질과 반응시켜 경질 발포물을 제조하는 방법.식중 Y는 -O-또는 -NR1-, 각 R1은 독립적으로 C1-C6저급 알킬라디칼 또는 이소시아네이트 반응성 그룹으로 치환된 저급 알킬 라디칼; 각 R은 독립적으로 H, C1-C6저급 알킬 라디칼 또는 X가 OH또는 NH2인 이소시아네이트 반응성 그룹이고 m이 0,1또는2인 -(CH2)m-X인데 단, m은 최소한 하나의 R1또는 R이 이소시아네이트 반응성 그룹으로 이루어진다는 조건으로 1또는 2임.
- 제1항에 있어서 금속염이 Ia족 및 Ⅱa족 금속염중에서 선택되는 방법.
- 제1항에 있어서, 금속염이 금속 카복실레이트인 방법.
- 제1항에 있어서, 금속염이 아세트산 칼륨 또는 포타슘-2-에틸-헥소에이트인 방법.
- 제1항에 있어서, 이소시아네이트와 반응성이있는 환식 화합물이 글리세롤 카보네이트인 방법.
- 제1항에 있어서, 이소시아네이트와 반응성이 있는 환식 화합물이 다음 구조식의 환식 우레아인 방법.
- 제1항에 있어서, 불용성이고 불활성인 유기 액체가 비등점이 최소한 40℃인 매우 불화되었거나 과불화된 화합물인 방법.
- 제1항에 있어서, 이소시아네이트 반응성 물질이 MW가 62-1500이고 기능도가 2-8인 폴리올을 더 포함하는 방법.
- a)폴리올, 폴리아민, 아미노-또는 엔아미노 화합물로부터 선택된 최소한 하나의 이소시아네이트 반응성 화합물;b) 이소시아네이트와 반응성이 있는 환식 탄산염 또는 이소시아네이트와 반응성이 잇는 환식 우레아, C) 마이크로에멀젼 또는 유제의 분산상으로서 존재하고 조성물내에 용해되지 않는, 비등점이 최소한 40℃인 과불화된 액체 화합물, 및 d)Ia족 및 Ⅱa족 메탈 카복실레이트로부터 선택된 촉매 작용을 하기에 효과적인 양의 촉매로 이루어진 이소시아네이트 반응성 조성물.
- 제9항에 있어서, 1-60중량%의 이소시아네이트와 반응성이 있는 환식 탄산염 또는 환식 우레아를 함유하는 조성물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919102362A GB9102362D0 (en) | 1991-02-04 | 1991-02-04 | Polymeric foams |
GB9102362.2 | 1991-02-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920016493A true KR920016493A (ko) | 1992-09-24 |
KR100213557B1 KR100213557B1 (ko) | 1999-08-02 |
Family
ID=10689502
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920001595A KR100207943B1 (ko) | 1991-02-04 | 1992-02-01 | 다공성 엘라스토머의 제조방법 및 이에 사용된 화학적 조성물 |
KR1019920001594A KR100213557B1 (ko) | 1991-02-04 | 1992-02-01 | 중합체 발포물 제조방법 및 이에 사용되는 화학적 조성물 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920001595A KR100207943B1 (ko) | 1991-02-04 | 1992-02-01 | 다공성 엘라스토머의 제조방법 및 이에 사용된 화학적 조성물 |
Country Status (12)
Country | Link |
---|---|
US (1) | US5578656A (ko) |
EP (2) | EP0498628B1 (ko) |
JP (2) | JP3133128B2 (ko) |
KR (2) | KR100207943B1 (ko) |
AU (2) | AU642335B2 (ko) |
CA (2) | CA2060530A1 (ko) |
DE (2) | DE69203104T2 (ko) |
ES (2) | ES2074819T3 (ko) |
FI (1) | FI920472A (ko) |
GB (3) | GB9102362D0 (ko) |
HK (2) | HK191696A (ko) |
ZA (2) | ZA92673B (ko) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5703136A (en) * | 1991-02-04 | 1997-12-30 | Imperial Chemical Industries Plc | Polymeric foams |
GB9102362D0 (en) * | 1991-02-04 | 1991-03-20 | Ici Plc | Polymeric foams |
US5439948A (en) * | 1991-11-20 | 1995-08-08 | Imperial Chemical Industries Plc | Process for cellular polymeric products |
GB9224910D0 (en) * | 1992-11-27 | 1993-01-13 | Ici Plc | Polyol compositions |
US5428104A (en) * | 1992-11-27 | 1995-06-27 | Imperial Chemical Industries Plc | Polyol compositions |
US5652278A (en) * | 1993-06-22 | 1997-07-29 | Imperial Chemical Industries Plc | Microvoid polyurethane materials |
GB9314556D0 (en) * | 1993-07-14 | 1993-08-25 | Ici Plc | Rigid polyurethane foams |
US5346928A (en) * | 1993-09-09 | 1994-09-13 | Imperial Chemical Industries Plc | Rigid polyurethane foams |
GB9324511D0 (en) * | 1993-11-30 | 1994-01-19 | Ici Plc | Process for rigid polyurethane foams |
GB9400326D0 (en) * | 1994-01-10 | 1994-03-09 | Ici Plc | Rigid polyurethane foams |
WO1996025455A1 (en) * | 1995-02-16 | 1996-08-22 | Imperial Chemical Industries Plc | Rigid polyurethane foams |
WO1996032605A1 (en) * | 1995-04-13 | 1996-10-17 | Imperial Chemical Industries Plc | Non-planar evacuated insulation panels and a method for making same |
WO1996036655A1 (en) * | 1995-05-18 | 1996-11-21 | Imperial Chemical Industries Plc | Rigid polyurethane foams |
ZA966885B (en) * | 1995-08-22 | 1998-02-16 | Du Pont Merck Pharma | Substituted cyclic ureas and derivatives thereof useful as retroviral protease inhibitors. |
CN1072242C (zh) * | 1995-12-11 | 2001-10-03 | 亨茨曼Ici化学品有限公司 | 热绝缘装置的制作方法 |
WO1998004607A1 (en) * | 1996-07-30 | 1998-02-05 | Imperial Chemical Industries Plc | Process for the preparation of polyurethane foams |
ES2149580T3 (es) | 1996-11-04 | 2000-11-01 | Huntsman Ici Chem Llc | Espumas rigidas de poliuretano. |
SK58199A3 (en) | 1996-11-04 | 2000-02-14 | Ici Plc | Rigid polyurethane foams |
GB2324798B (en) * | 1997-05-01 | 1999-08-18 | Ici Plc | Open celled cellular polyurethane products |
EP0984996B1 (en) * | 1997-05-29 | 2001-09-12 | Huntsman International Llc | Rigid polyurethane foams |
DE19744747A1 (de) * | 1997-10-10 | 1999-04-15 | Basf Ag | Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen |
BR9814009A (pt) * | 1998-01-19 | 2000-10-10 | Huntsman Ici Chem Llc | Processo para produzir um painel de isolamento evacuado, painel de isolamento, e, uso do painel de isolamento |
EP1080125A1 (en) * | 1998-04-02 | 2001-03-07 | Huntsman Ici Chemicals Llc | Process for rigid polyurethane foams |
US7671104B2 (en) | 1999-02-13 | 2010-03-02 | Bayer Materialscience Ag | Fine cell, water-blown rigid polyurethane foams |
DE19917787A1 (de) | 1999-04-20 | 2000-11-02 | Bayer Ag | Komprimierte Polyurethanhartschaumstoffe |
EP1577332A1 (en) | 2004-03-15 | 2005-09-21 | Huntsman International Llc | Process for making rigid polyurethane foams |
PL2748218T3 (pl) | 2011-08-23 | 2017-08-31 | Basf Se | Zastosowanie mikroemulsji i sposób wytwarzania tworzyw piankowych |
EP2886591A1 (de) | 2013-12-19 | 2015-06-24 | Evonik Industries AG | Zusammensetzung, geeignet zur Herstellung von Polyurethanschäumen, enthaltend mindestens ein Nukleierungsmittel |
EP3372625A1 (de) | 2017-03-07 | 2018-09-12 | Covestro Deutschland AG | Polyurethanschaum und verfahren zu seiner herstellung |
EP3560970A1 (de) | 2018-04-25 | 2019-10-30 | Covestro Deutschland AG | Offenzelliger polyurethanhartschaum und dessen verwendung |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA834821A (en) * | 1970-02-17 | J. Hutzler George | Stabilized polyurethane composition | |
US3224983A (en) * | 1962-05-21 | 1965-12-21 | Scott Paper Co | Process of foaming a carbonate containing polymer containing an initiator |
FR1447850A (fr) * | 1964-09-30 | 1966-07-29 | Basf Ag | Procédé de fabrication de corps moulés réticulés hautement élastiques à base de polyuréthanes |
US3563937A (en) * | 1968-03-20 | 1971-02-16 | Monsanto Co | Monovinylidene aromatic hydrocarbons-half esters of unsaturated di-carboxylic acids or anhydrides as resinous binders for printing inks |
US3663506A (en) * | 1970-11-18 | 1972-05-16 | Union Carbide Corp | Stabilization of urethane polymers with substituted ureas |
DE2415150A1 (de) * | 1974-03-29 | 1975-10-16 | Hoechst Ag | Porenregler fuer polyurethane |
US4098729A (en) * | 1974-04-08 | 1978-07-04 | Th. Goldschmidt Ag | Process of producing cross-linked urethane-group comprising foams of open-cell structure |
US4094827A (en) * | 1976-10-18 | 1978-06-13 | Texaco Development Corporation | Substituted ureas as polyurethane catalysts |
US4154391A (en) * | 1978-02-27 | 1979-05-15 | Girty Kenneth E | Combined crop and longeing whip |
US4194069A (en) * | 1978-10-16 | 1980-03-18 | Texaco Development Corporation | Urea derivative and use as polyurethane catalyst |
US4485032A (en) * | 1983-09-12 | 1984-11-27 | The Dow Chemical Company | Compatible polyol blends |
GB8816945D0 (en) * | 1988-07-15 | 1988-08-17 | Ici Plc | Polymeric foams |
GB8921182D0 (en) * | 1989-09-19 | 1989-11-08 | Ici Plc | Novel chemical blowing agent |
US5102923A (en) * | 1991-01-14 | 1992-04-07 | American Cyanamid Company | Rigid polyurethane and polyisocyanurate foams |
GB9102362D0 (en) * | 1991-02-04 | 1991-03-20 | Ici Plc | Polymeric foams |
-
1991
- 1991-02-04 GB GB919102362A patent/GB9102362D0/en active Pending
-
1992
- 1992-01-30 ZA ZA92673A patent/ZA92673B/xx unknown
- 1992-01-31 ZA ZA92727A patent/ZA92727B/xx unknown
- 1992-01-31 AU AU10593/92A patent/AU642335B2/en not_active Ceased
- 1992-02-01 KR KR1019920001595A patent/KR100207943B1/ko not_active IP Right Cessation
- 1992-02-01 KR KR1019920001594A patent/KR100213557B1/ko not_active IP Right Cessation
- 1992-02-03 CA CA002060530A patent/CA2060530A1/en not_active Abandoned
- 1992-02-04 ES ES92300955T patent/ES2074819T3/es not_active Expired - Lifetime
- 1992-02-04 CA CA002060590A patent/CA2060590A1/en not_active Abandoned
- 1992-02-04 EP EP92300954A patent/EP0498628B1/en not_active Expired - Lifetime
- 1992-02-04 AU AU10717/92A patent/AU649772B2/en not_active Ceased
- 1992-02-04 EP EP92300955A patent/EP0498629B1/en not_active Expired - Lifetime
- 1992-02-04 GB GB929202310A patent/GB9202310D0/en active Pending
- 1992-02-04 ES ES92300954T patent/ES2089384T3/es not_active Expired - Lifetime
- 1992-02-04 JP JP04018840A patent/JP3133128B2/ja not_active Expired - Fee Related
- 1992-02-04 GB GB929202320A patent/GB9202320D0/en active Pending
- 1992-02-04 DE DE69203104T patent/DE69203104T2/de not_active Expired - Fee Related
- 1992-02-04 DE DE69212342T patent/DE69212342T2/de not_active Expired - Fee Related
- 1992-02-04 JP JP04018839A patent/JP3133127B2/ja not_active Expired - Fee Related
- 1992-02-04 FI FI920472A patent/FI920472A/fi not_active Application Discontinuation
-
1994
- 1994-06-24 US US08/265,563 patent/US5578656A/en not_active Expired - Fee Related
-
1996
- 1996-10-17 HK HK191696A patent/HK191696A/xx not_active IP Right Cessation
- 1996-10-17 HK HK191596A patent/HK191596A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI920472A (fi) | 1992-08-05 |
JP3133127B2 (ja) | 2001-02-05 |
GB9102362D0 (en) | 1991-03-20 |
HK191596A (en) | 1996-10-25 |
AU642335B2 (en) | 1993-10-14 |
EP0498628B1 (en) | 1996-07-24 |
KR100207943B1 (ko) | 1999-07-15 |
EP0498629A1 (en) | 1992-08-12 |
AU649772B2 (en) | 1994-06-02 |
CA2060590A1 (en) | 1992-08-05 |
KR920016494A (ko) | 1992-09-24 |
ES2074819T3 (es) | 1995-09-16 |
EP0498629B1 (en) | 1995-06-28 |
JPH0570548A (ja) | 1993-03-23 |
US5578656A (en) | 1996-11-26 |
KR100213557B1 (ko) | 1999-08-02 |
CA2060530A1 (en) | 1992-08-05 |
JP3133128B2 (ja) | 2001-02-05 |
GB9202310D0 (en) | 1992-03-18 |
FI920472A0 (fi) | 1992-02-04 |
JPH0570547A (ja) | 1993-03-23 |
ZA92727B (en) | 1992-11-25 |
HK191696A (en) | 1996-10-25 |
ZA92673B (en) | 1992-11-25 |
DE69203104D1 (de) | 1995-08-03 |
DE69203104T2 (de) | 1995-10-26 |
GB9202320D0 (en) | 1992-03-18 |
ES2089384T3 (es) | 1996-10-01 |
DE69212342T2 (de) | 1996-12-05 |
AU1071792A (en) | 1992-08-06 |
EP0498628A1 (en) | 1992-08-12 |
AU1059392A (en) | 1992-08-06 |
DE69212342D1 (de) | 1996-08-29 |
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