KR950032362A - 열경화성, 일액형 폴리우레탄 반응 조성물 - Google Patents
열경화성, 일액형 폴리우레탄 반응 조성물 Download PDFInfo
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- KR950032362A KR950032362A KR1019950004488A KR19950004488A KR950032362A KR 950032362 A KR950032362 A KR 950032362A KR 1019950004488 A KR1019950004488 A KR 1019950004488A KR 19950004488 A KR19950004488 A KR 19950004488A KR 950032362 A KR950032362 A KR 950032362A
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- KR
- South Korea
- Prior art keywords
- component
- weight
- diphenylurea
- diisocyanato
- dimethyl
- 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
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/482—Mixtures of polyethers containing at least one polyether 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/703—Isocyanates or isothiocyanates transformed in a latent form by physical means
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
- C08G18/7825—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing ureum 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- 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
- C08G2190/00—Compositions for sealing or packing joints
-
- 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
- C08G2350/00—Acoustic or vibration damping material
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polyurethanes Or Polyureas (AREA)
- Sealing Material Composition (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
본 발명은 A) NCO기의 총 수를 기준으로 하여, 0.1 내지 25 당량%의 NCO기가 실활된, 표면-변성되고 미분된 폴리이소시아네이트와, B) 1)성분 B)의 중량을 기준으로 하여, 5 내지 40 중량%의 1종의 이상의 지방족 폴리에테르 폴리아민과, 2) i)성분 B2)의 중량을 기준으로 하여, 10 내지 60 중량%의 폴리에스테르 폴리올 및 ii) 성분 B2)의 중량을 기준으로 하여, 40 내지 90 중량%의 주로 일차 히드록실기를 갖는 1종 이상의 폴리에테르 폴리올로 이루어진, 성분 B)의 중량을 기준으로 하여, 60 내지 95 중량%의 폴리올 혼합물로 이루어진 이소시아네이트-반응성 기를 갖는 비교적 고분자량의 화합물의 혼합물을 함유하는 열경화성, 일액형 폴리우레탄 반응 조성물에 관한 것이다. 본 발명은 또한 피복제, 접착제, 감음성 제품 및 실런트, 특히 심 실런트의 제조를 위한 열경화성, 일액형 폴리우레탄 반응 조성물의 용도에 관한 것이다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (4)
- A) NCO기의 총수를 기준으로 하여, 0.1 내지 25 당량%의 NCO기가 실활된, 표면-변성되고 미분된 폴리이소시아네이트와, B) 1)성분 B)의 중량을 기준으로 하여, 5 내지 40 중량%의 1종의 이상의 지방족 폴리에테르 폴리아민과, 2) i) 성분 B2)의 중량을 기준으로 하여, 10 내지 60 중량%의 1종 이상의 폴리에스테르폴리올 및 ii) 성분 B2)의 중량을 기준으로 하여, 40 내지 90 중량%의 주로 일차 히드록실기를 갖는 1종 이상의 폴리에테르 폴리올로 이루어진, 성분 B)의 중량을 기준으로 하여 60 내지 95 중량%의 폴리올 혼합물로 이루어진 이소시아네이트-반응성 기를 갖는 비교적 고분자량의 화합물의 혼합물을 함유하는 열경화성, 일액형 폴리우레탄 반응 조성물.
- 제1항에 있어서, 성분 A)가 3,3´-디이소시아네이토-4,4´-디메틸-N,N´-디페닐우레아, 3,3´-디이소시아네이토-2,2´-디메틸-N,N´-디페닐우레아 및 3,3´-디이소시아네이토-2,4´-디메틸-N,N´-디페닐우레아로 이루어진 군으로부터 선택된 성분으로 이루어진 조성물.
- 제1항에 있어서, 성분 A)가 3,3´-디이소시아네이토-4,4´-디메틸-N,N´-디페닐우레아 또는 3,3´-디이소시아네이토-2,2´-디메틸-N,N´-디페닐우레아의 장쇄 폴리에테르 또는 장쇄 폴리에스테르에 의한 변성 생성물로 이루어진 군으로부터 선택된 성분으로 이루어진 조성물.
- 제1항의 열경화성, 일액형 폴리우레탄 반응 조성물로부터 제조된 피복제, 접착제, 감음성(anti-drumming) 제품 또는 실런트.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4407490.5 | 1994-03-07 | ||
DE4407490A DE4407490A1 (de) | 1994-03-07 | 1994-03-07 | Verfahren zur Herstellung heißhärtender Einkomponenten-Polyurethan-Reaktivmassen |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950032362A true KR950032362A (ko) | 1995-12-20 |
KR100331668B1 KR100331668B1 (ko) | 2002-11-16 |
Family
ID=6512035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950004488A KR100331668B1 (ko) | 1994-03-07 | 1995-03-06 | 열경화성,일액형폴리우레탄반응조성물 |
Country Status (11)
Country | Link |
---|---|
US (1) | US5574123A (ko) |
EP (1) | EP0671423B1 (ko) |
JP (1) | JPH07278257A (ko) |
KR (1) | KR100331668B1 (ko) |
AT (1) | ATE179727T1 (ko) |
BR (1) | BR9500837A (ko) |
CA (1) | CA2143882A1 (ko) |
CZ (1) | CZ288365B6 (ko) |
DE (2) | DE4407490A1 (ko) |
ES (1) | ES2131714T3 (ko) |
FI (1) | FI951005A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020003640A (ko) * | 2000-06-22 | 2002-01-15 | 조원영 | 일액형 수성 폴리우레탄 접착제 조성물 |
Families Citing this family (29)
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DE19653914A1 (de) * | 1996-12-21 | 1998-06-25 | Ppg Industries Inc | Dichtungsmasse und ihre Verwendung zur Herstellung druckdichter Gebinde |
US5851261A (en) * | 1996-12-30 | 1998-12-22 | Bayer Corporation | Process for the production of polyurea encapsulated fertilizer particles and the encapsulated fertilizer particles produced by this process |
EP0949310A1 (de) * | 1998-04-07 | 1999-10-13 | Eftec Ag | Lagerstabiler, latent reaktiver Schmelzklebstoff und ein Verfahren zum Verkleben eines modularen Bauteils |
DE19924138A1 (de) | 1999-05-26 | 2000-11-30 | Henkel Kgaa | Lösbare Klebeverbindungen |
DE19951599A1 (de) | 1999-10-27 | 2001-05-23 | Henkel Kgaa | Verfahren zur adhesiven Trennung von Klebeverbunden |
AU2075701A (en) * | 1999-12-10 | 2001-06-18 | Dow Global Technologies Inc. | Blister-resistant molded polyurea polymer and method of making a blister-resistant molded polyurea polymer |
DE10037884A1 (de) | 2000-08-03 | 2002-02-21 | Henkel Kgaa | Verfahren zur beschleunigten Klebstoffaushärtung |
US6797789B2 (en) * | 2001-10-19 | 2004-09-28 | Visuron Technologies, Inc. | Phenolic/polyurea coating co-polymer compositions and process |
ATE376015T1 (de) * | 2002-12-23 | 2007-11-15 | Dow Global Technologies Inc | Reaktive polyurethanzusammensetzung |
DE60208403T2 (de) * | 2002-12-23 | 2009-10-01 | Dow Global Technologies, Inc., Midland | Reaktive Polyurethanzusammensetzung |
GB2400104B (en) * | 2003-04-03 | 2007-10-10 | Bostik Findley Ltd | Storage stable adhesive paste compositions |
EP1574537B2 (en) * | 2004-03-12 | 2014-12-24 | Dow Global Technologies LLC | Epoxy adhesive composition |
EP1602676A1 (en) * | 2004-06-01 | 2005-12-07 | SOLVAY (Société Anonyme) | Catalytic compositions |
AU2006321913B2 (en) * | 2005-12-06 | 2012-08-02 | Covidien Lp | Biocompatible tissue sealants and adhesives |
US7947263B2 (en) * | 2005-12-06 | 2011-05-24 | Tyco Healthcare Group Lp | Biocompatible surgical compositions |
WO2007067624A2 (en) | 2005-12-06 | 2007-06-14 | Tyco Healthcare Group Lp | Bioabsorbable compounds and compositions containing them |
EP1968483A4 (en) * | 2005-12-06 | 2010-07-21 | Tyco Healthcare | BIOABSORBABLE SURGICAL COMPOSITION |
EP1957089A4 (en) * | 2005-12-06 | 2012-06-20 | Tyco Healthcare | CARBODIIMIDE CROSSLINKING OF FUNCTIONALIZED POLYETHYLENE GLYCOLS |
WO2007067806A2 (en) | 2005-12-08 | 2007-06-14 | Tyco Healthcare Group Lp | Biocompatible surgical compositons |
WO2008019215A1 (en) * | 2006-08-07 | 2008-02-14 | Henkel Corporation | Two component solventless polyurethane laminating adhesives based on 1,4:3,6 dianhydrohexitols |
KR101356050B1 (ko) | 2007-10-09 | 2014-01-28 | 주식회사 실론 | 씸실링 테잎용 용제형 폴리우레탄 조성물, 이를 이용한폴리우레탄 필름의 제조방법, 및 이로부터 제조되는폴리우레탄 필름을 포함하는 씸실링테잎 |
EP2222479B1 (en) * | 2007-12-21 | 2011-04-27 | NV Bekaert SA | A steel cord comprising a heat-curable one-component thermosetting material |
DE102012100672A1 (de) | 2012-01-27 | 2013-08-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikroverkapselte Isocyanate und Verfahren zur Herstellung hierfür sowie deren Anwendung in Klebstoffen |
WO2014031181A1 (en) * | 2012-04-25 | 2014-02-27 | Dow Global Technologies Llc | Polyurethanes made using bismuth thiocarbamate or thiocarbonate salts as catalysts |
EP3794051A4 (en) * | 2018-05-18 | 2022-01-05 | Henkel AG & Co. KGaA | STABLE, LOW CURING TEMPERATURE 1K POLYISOCYANATE |
CN110423589A (zh) * | 2019-08-02 | 2019-11-08 | 启东东岳化工有限公司 | 一种环保型高回弹再生海绵聚氨酯粘合剂及其制备方法 |
KR102594257B1 (ko) * | 2020-12-10 | 2023-10-26 | 한국세라믹기술원 | 난연 특성이 우수한 다공성 폴리우레탄 폼의 제조방법 |
CN112694860B (zh) * | 2020-12-21 | 2022-08-23 | 广州市白云化工实业有限公司 | 反应型聚氨酯热熔胶及其制备方法 |
CN113444216B (zh) * | 2021-07-23 | 2022-05-03 | 山西晟坤科技发展有限公司 | 一种煤矿井下干混快速密闭材料及其制备方法 |
Family Cites Families (18)
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DE3112054A1 (de) * | 1981-03-27 | 1982-10-07 | Basf Ag, 6700 Ludwigshafen | Lagerstabile, hitzhaertbare stoffmischungen aus polyisocyanat und polyol, verfahren zu deren herstellung und verwendung |
DE3228723A1 (de) * | 1982-07-31 | 1984-02-02 | Basf Farben + Fasern Ag, 2000 Hamburg | Lagerstabile, hitzehaertbare stoffmischungen aus polyisocyanat und mit isocyanatgruppen reaktionsfaehigen verbindungen, verfahren zu deren herstellung und verwendung |
DE3230757A1 (de) * | 1982-08-18 | 1984-02-23 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von stabilisierten polyisocyanaten, stabilisierte polyisocyanate retardierter reaktivitaet und ihre verwendung zur polyurethanherstellung |
DE3403499A1 (de) * | 1984-02-02 | 1985-08-08 | Bayer Ag, 5090 Leverkusen | Verwendung von hitzehaertbaren polyurethanharnstoff-reaktiv-klebstoffmassen |
DE3403500A1 (de) * | 1984-02-02 | 1985-08-08 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von stabilisierten polyisocyanaten, stabilisierte isocyanate ratardierter reaktivitaet und ihre verwendung zur polyurethanherstellung |
DE3418430A1 (de) * | 1984-05-18 | 1985-11-21 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung desaktivierter suspensionen von feinteiligen polyisocyanaten in hoehermolekularen verbindungen, desaktivierte suspensionen und ihre verwendung zur polyurethanherstellung |
DE3529251A1 (de) * | 1985-08-16 | 1987-02-26 | Bayer Ag | Kalthaertende zusammensetzungen, ein verfahren zu ihrer herstellung und ihre verwendung zur polyurethanherstellung |
DE3700572A1 (de) * | 1987-01-10 | 1988-07-21 | Bayer Ag | Kunststoff-verbundkoerper und ein verfahren zu seiner herstellung |
DE3724555A1 (de) * | 1987-07-24 | 1989-02-02 | Basf Ag | Viskositaetsregulierende stoffe fuer einkomponentige polyurethansysteme |
DE3727128A1 (de) * | 1987-08-14 | 1989-02-23 | Bayer Ag | Verfahren zur herstellung von in der waerme haertbaren einkomponenten-polyurethan-polyharnstoff-systemen |
DE3826447A1 (de) * | 1988-08-04 | 1990-02-08 | Bayer Ag | Mit langkettigen komponenten modifizierte, harnstoffgruppen enthaltende polysocyanate |
US5183876A (en) * | 1988-08-04 | 1993-02-02 | Bayer Aktiengesellschaft | Urea group-containing polyisocyanates modified with long chain compounds and a process for their preparation |
DE3919696A1 (de) * | 1989-06-16 | 1991-01-10 | Bayer Ag | Reaktivklebstoffe auf polyurethanbasis |
DE3919697A1 (de) * | 1989-06-16 | 1990-12-20 | Bayer Ag | Einkomponenten-reaktivklebstoffe auf polyurethanbasis |
DE3940273A1 (de) * | 1989-12-06 | 1991-06-13 | Bayer Ag | Heisshaertbare polyether-polyester-polyurethanharnstoffe |
DE3940271A1 (de) * | 1989-12-06 | 1991-06-13 | Bayer Ag | Waermehaertbare reaktiv-pulver auf basis von polyurethanen |
DE4021113A1 (de) * | 1990-07-03 | 1992-01-09 | Bayer Ag | Klebstoffe auf basis von polyolen und polyisocyanaten |
DE4113416A1 (de) * | 1991-04-25 | 1992-10-29 | Bayer Ag | Polyisocyanatsuspensionen in gegenueber isocyanatgruppen reaktionsfaehigen verbindungen und ihre verwendung |
-
1994
- 1994-03-07 DE DE4407490A patent/DE4407490A1/de not_active Withdrawn
-
1995
- 1995-02-22 ES ES95102498T patent/ES2131714T3/es not_active Expired - Lifetime
- 1995-02-22 DE DE59505812T patent/DE59505812D1/de not_active Expired - Fee Related
- 1995-02-22 AT AT95102498T patent/ATE179727T1/de not_active IP Right Cessation
- 1995-02-22 EP EP95102498A patent/EP0671423B1/de not_active Expired - Lifetime
- 1995-02-24 US US08/396,182 patent/US5574123A/en not_active Expired - Fee Related
- 1995-03-03 CA CA002143882A patent/CA2143882A1/en not_active Abandoned
- 1995-03-03 FI FI951005A patent/FI951005A/fi unknown
- 1995-03-06 CZ CZ1995579A patent/CZ288365B6/cs not_active IP Right Cessation
- 1995-03-06 JP JP7072277A patent/JPH07278257A/ja not_active Ceased
- 1995-03-06 KR KR1019950004488A patent/KR100331668B1/ko not_active IP Right Cessation
- 1995-03-07 BR BR9500837A patent/BR9500837A/pt not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020003640A (ko) * | 2000-06-22 | 2002-01-15 | 조원영 | 일액형 수성 폴리우레탄 접착제 조성물 |
Also Published As
Publication number | Publication date |
---|---|
BR9500837A (pt) | 1995-10-31 |
EP0671423A1 (de) | 1995-09-13 |
DE4407490A1 (de) | 1995-09-14 |
ES2131714T3 (es) | 1999-08-01 |
JPH07278257A (ja) | 1995-10-24 |
CZ288365B6 (en) | 2001-06-13 |
FI951005A0 (fi) | 1995-03-03 |
CZ57995A3 (en) | 1995-10-18 |
FI951005A (fi) | 1995-09-08 |
DE59505812D1 (de) | 1999-06-10 |
EP0671423B1 (de) | 1999-05-06 |
CA2143882A1 (en) | 1995-09-08 |
ATE179727T1 (de) | 1999-05-15 |
KR100331668B1 (ko) | 2002-11-16 |
US5574123A (en) | 1996-11-12 |
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