CA2083647A1 - Obtention de moulages renfermant de l'urethane, exempts de chlorofluorocarbures et possedant un noyau cellulaire avec une zone peripherique compacte - Google Patents
Obtention de moulages renfermant de l'urethane, exempts de chlorofluorocarbures et possedant un noyau cellulaire avec une zone peripherique compacteInfo
- Publication number
- CA2083647A1 CA2083647A1 CA2083647A CA2083647A CA2083647A1 CA 2083647 A1 CA2083647 A1 CA 2083647A1 CA 2083647 A CA2083647 A CA 2083647A CA 2083647 A CA2083647 A CA 2083647A CA 2083647 A1 CA2083647 A1 CA 2083647A1
- Authority
- CA
- Canada
- Prior art keywords
- free
- urethane
- chlorofluorocarbon
- peripheral zone
- cellular core
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 title abstract 3
- 230000001413 cellular effect Effects 0.000 title abstract 2
- 238000000465 moulding Methods 0.000 title abstract 2
- 230000002093 peripheral effect Effects 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
- 239000011148 porous material Substances 0.000 abstract 2
- 239000004604 Blowing Agent Substances 0.000 abstract 1
- 239000004970 Chain extender Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000005056 compaction Methods 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 150000002605 large molecules Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002808 molecular sieve Substances 0.000 abstract 1
- 229920001228 polyisocyanate Polymers 0.000 abstract 1
- 239000005056 polyisocyanate Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
-
- 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
- C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
-
- 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
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy 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
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
- C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end 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
- C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08G2110/0016—Foam properties semi-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
- C08G2110/0025—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
- C08G2110/0033—Foam properties having integral skins
-
- 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
- C08G2110/0066—≥ 150kg/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
- 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
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/15—Aging of foamed resin products
-
- 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
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/901—Cellular polymer containing a carbodiimide structure
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)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4139520.4 | 1991-11-30 | ||
DE4139520A DE4139520A1 (de) | 1991-11-30 | 1991-11-30 | Verfahren zur herstellung von fluorchlorkohlenwasserstoff freien, urethangruppen enthaltenden formkoerpern mit einem zelligen kern und einer verdichteten randzone |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2083647A1 true CA2083647A1 (fr) | 1993-05-31 |
CA2083647C CA2083647C (fr) | 1995-06-06 |
Family
ID=6445965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002083647A Expired - Fee Related CA2083647C (fr) | 1991-11-30 | 1992-11-24 | Obtention de moulages renfermant de l'urethane, exempts de chlorofluorocarbures et possedant un noyau cellulaire avec une zone peripherique compacte |
Country Status (9)
Country | Link |
---|---|
US (1) | US5254597A (fr) |
EP (1) | EP0545175B1 (fr) |
JP (1) | JPH05247339A (fr) |
KR (1) | KR100239821B1 (fr) |
AT (1) | ATE140938T1 (fr) |
CA (1) | CA2083647C (fr) |
DE (2) | DE4139520A1 (fr) |
DK (1) | DK0545175T3 (fr) |
ES (1) | ES2090463T3 (fr) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4122872A1 (de) * | 1991-07-11 | 1993-01-14 | Bayer Ag | Formschaumstoffe |
US5334620A (en) * | 1992-06-10 | 1994-08-02 | Basf Aktiengesellschaft | Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and a compacted peripheral zone |
US5387618A (en) * | 1993-12-27 | 1995-02-07 | The Dow Chemical Company | Process for preparing a polyurethane foam in the presence of a hydrocarbon blowing agent |
DE4434604B4 (de) * | 1994-09-28 | 2005-03-03 | Basf Ag | Verfahren zur Herstellung von fluorchlorkohlenwasserstofffreien, Urethangruppen enthaltenden Formkörpern mit einem zelligen Kern und einer verdichteten Randzone |
DE19506671C2 (de) * | 1995-02-25 | 1999-11-18 | Basf Ag | Verfahren zur Herstellung von Polyurethan-Schaumstoffen |
WO1996041832A1 (fr) * | 1995-06-08 | 1996-12-27 | Brandt M Karl | Composition d'agent porogene et procede de fabrication d'un agent porogene |
DE19701074A1 (de) * | 1997-01-15 | 1998-07-16 | Bayer Ag | Verfahren zur Herstellung von weichen bis halbharten Polyurethanintegralschaumstoffen |
US6429234B2 (en) * | 1997-03-14 | 2002-08-06 | Toray Industries, Inc. | Foam, an interior material made of the foam, a molded article destined for an interior vehicular material, and production methods thereof |
DE19961417C1 (de) * | 1999-12-17 | 2001-07-19 | Bayer Ag | Verfahren zur Herstellung von Verbundmaterialien |
DE60121705T2 (de) * | 2000-05-09 | 2007-08-02 | Mitsubishi Chemical Corp. | Aktivierter kohlenstoff für elektrischen doppelschichtkondensator |
JP3491087B2 (ja) * | 2000-10-26 | 2004-01-26 | 松下電器産業株式会社 | スピーカエッジとその発泡成形方法及びその発泡成形装置及びスピーカエッジ発泡成形システムならびに当該スピーカエッジを用いたスピーカ |
KR20040034754A (ko) * | 2002-10-15 | 2004-04-29 | 김부남 | 활성탄을 혼합한 폴리우레탄 스폰지의 제조방법 |
DE10307528B4 (de) * | 2003-02-21 | 2016-10-20 | Bayerische Motoren Werke Aktiengesellschaft | Kraftfahrzeug mit zumindest einem Bauteil |
US8048935B2 (en) * | 2004-11-08 | 2011-11-01 | Carpenter Co. | Liquid foam systems and ASTM E-84 class 1 rated rigid, high-density polyurethane foams and articles prepared therefrom |
US20060205831A1 (en) * | 2005-03-11 | 2006-09-14 | Reedy Michael E | Process for producing blowing agents comprised of foaming agent-containing zeolites, zeolites produced thereby and methods of foaming therewith |
US20070110984A1 (en) * | 2005-11-15 | 2007-05-17 | Reedy Michael E | Process for producing wood/plastic composites and foams using foaming agents containing zeolite, and wood/plastic composites and foams produced thereby |
US7842379B2 (en) | 2007-07-05 | 2010-11-30 | Sabic Innovative Plastics Ip B.V. | Polymeric foams with nanocellular morphology and methods for making them |
KR101583848B1 (ko) * | 2007-11-14 | 2016-01-08 | 바스프 에스이 | 향상된 내굴곡성을 갖는 발포 폴리우레탄 |
US8908129B2 (en) | 2007-12-28 | 2014-12-09 | Sabic Global Technologies B.V. | Reflective polymeric article and manufacture |
EP2235085B1 (fr) * | 2008-01-24 | 2018-09-26 | Evonik Degussa GmbH | Procédé de fabrication de mousses isolantes de polyuréthane |
US8440732B2 (en) * | 2008-03-25 | 2013-05-14 | Sabic Innovative Plastics Ip B.V. | Polymeric foams with nanocellular morphology and methods for making them |
JP5597380B2 (ja) * | 2009-10-09 | 2014-10-01 | 株式会社ダイフレックス | 手塗り施工用塗工剤 |
MX2013004974A (es) * | 2010-11-03 | 2013-06-07 | Dow Global Technologies Llc | Sistemas de poliuretano de aplastado automatico. |
ES2768124T3 (es) * | 2012-01-26 | 2020-06-19 | Dow Global Technologies Llc | Espumas de poliisocianurato que contienen partículas de sílice no porosa dispersadas |
EP2818489A1 (fr) * | 2013-06-28 | 2014-12-31 | Basf Se | Pièces moulées de PUR résistants à l'hydrolyse |
CN105992780B (zh) * | 2013-09-04 | 2019-10-25 | G·德恩 | 吸收冲击能量的柔性聚氨酯和聚氨酯/聚有机硅氧烷泡沫材料 |
US10414921B1 (en) | 2013-09-04 | 2019-09-17 | Virfex, LLC | Polyurethane foam based ballistic armor |
DE102015102038B4 (de) * | 2015-02-12 | 2018-11-08 | Lisa Dräxlmaier GmbH | Molekularsieb-enthaltende Formmassen, Verfahren zur Herstellung eines Spritzgussformkörpers und Verwendung dieser Formmassen |
US10494473B2 (en) | 2016-03-14 | 2019-12-03 | Raven Lining Systems, Inc. | Hybrid novolac polyurea/polyurethane |
JP7091258B2 (ja) * | 2016-06-29 | 2022-06-27 | プロプライアテクト・エル.ピー. | 発泡イソシアネート系ポリマー |
CN115073915A (zh) * | 2022-07-09 | 2022-09-20 | 南通恒光大聚氨酯材料有限公司 | 一种改善聚氨酯海绵开孔性能的改性聚醚及制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3775350A (en) * | 1972-07-10 | 1973-11-27 | Gen Tire & Rubber Co | Flame retardant integral skin polyurethane foam |
JPS5343996B2 (fr) * | 1974-01-10 | 1978-11-24 | ||
DE3528597C2 (de) * | 1984-08-18 | 1994-02-03 | Elastogran Gmbh | Antistatische, kompakte oder zellige Polyurethan-Gießelastomere, Verfahren zu deren Herstellung und deren Verwendung |
DE3742122A1 (de) * | 1987-12-11 | 1989-06-22 | Bayer Ag | Verfahren zur herstellung von polyurethanschaumstoff-formteilen |
DE4034082A1 (de) * | 1990-10-26 | 1992-04-30 | Basf Ag | Verfahren zur herstellung von fluorchlorkohlenwasserstoff freien urethangruppen enthaltenden, weichelastischen formkoerpern mit einem zelligen kern und einer verdichteten randzone |
-
1991
- 1991-11-30 DE DE4139520A patent/DE4139520A1/de not_active Withdrawn
-
1992
- 1992-11-20 AT AT92119790T patent/ATE140938T1/de not_active IP Right Cessation
- 1992-11-20 DK DK92119790.1T patent/DK0545175T3/da active
- 1992-11-20 EP EP92119790A patent/EP0545175B1/fr not_active Expired - Lifetime
- 1992-11-20 ES ES92119790T patent/ES2090463T3/es not_active Expired - Lifetime
- 1992-11-20 DE DE59206854T patent/DE59206854D1/de not_active Expired - Fee Related
- 1992-11-24 US US07/981,025 patent/US5254597A/en not_active Expired - Fee Related
- 1992-11-24 CA CA002083647A patent/CA2083647C/fr not_active Expired - Fee Related
- 1992-11-30 JP JP31988892A patent/JPH05247339A/ja active Pending
- 1992-11-30 KR KR1019920022942A patent/KR100239821B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0545175A2 (fr) | 1993-06-09 |
JPH05247339A (ja) | 1993-09-24 |
CA2083647C (fr) | 1995-06-06 |
US5254597A (en) | 1993-10-19 |
ES2090463T3 (es) | 1996-10-16 |
KR930010093A (ko) | 1993-06-22 |
ATE140938T1 (de) | 1996-08-15 |
DE59206854D1 (de) | 1996-09-05 |
DK0545175T3 (da) | 1996-11-18 |
EP0545175A3 (en) | 1993-08-04 |
KR100239821B1 (ko) | 2000-01-15 |
EP0545175B1 (fr) | 1996-07-31 |
DE4139520A1 (de) | 1993-06-03 |
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