DK0523398T3 - Fremgangsmåde til fremstilling af urethan- eller urethan- og isocyanuratgruppeholdige hårdskumstoffer og drivmiddelholdige emulsioner hertil - Google Patents
Fremgangsmåde til fremstilling af urethan- eller urethan- og isocyanuratgruppeholdige hårdskumstoffer og drivmiddelholdige emulsioner hertilInfo
- Publication number
- DK0523398T3 DK0523398T3 DK92110451.9T DK92110451T DK0523398T3 DK 0523398 T3 DK0523398 T3 DK 0523398T3 DK 92110451 T DK92110451 T DK 92110451T DK 0523398 T3 DK0523398 T3 DK 0523398T3
- Authority
- DK
- Denmark
- Prior art keywords
- urethane
- preparation
- vinylfluoroalkane
- blowing agent
- propellant
- Prior art date
Links
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
- 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
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- 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
- 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
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
- C08J2203/144—Perhalogenated saturated hydrocarbons, e.g. F3C-CF3
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/146—Saturated hydrocarbons containing oxygen and halogen atoms, e.g. F3C-O-CH2-CH3
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/16—Unsaturated hydrocarbons
- C08J2203/162—Halogenated unsaturated hydrocarbons, e.g. H2C=CF2
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
-
- 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
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
-
- 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
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
-
- 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
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/91—Plural blowing agents for producing nonpolyurethane cellular products
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4121161A DE4121161A1 (de) | 1991-06-27 | 1991-06-27 | Verfahren zur herstellung von urethan- oder urethan- und isocyanuratgruppen enthaltenden hartschaumstoffen und treibmittel enthaltende emulsionen hierfuer |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0523398T3 true DK0523398T3 (da) | 1996-12-30 |
Family
ID=6434819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK92110451.9T DK0523398T3 (da) | 1991-06-27 | 1992-06-20 | Fremgangsmåde til fremstilling af urethan- eller urethan- og isocyanuratgruppeholdige hårdskumstoffer og drivmiddelholdige emulsioner hertil |
Country Status (9)
Country | Link |
---|---|
US (3) | US5205956A (fr) |
EP (1) | EP0523398B1 (fr) |
JP (1) | JPH05209078A (fr) |
KR (1) | KR930000561A (fr) |
AT (1) | ATE146204T1 (fr) |
CA (1) | CA2070209C (fr) |
DE (2) | DE4121161A1 (fr) |
DK (1) | DK0523398T3 (fr) |
ES (1) | ES2095354T3 (fr) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2678279B1 (fr) * | 1991-06-27 | 1993-09-03 | Atochem | Application de (perfluoroalkyl)-ethylenes comme agents d'expansion et/ou gaz d'isolation pour mousses de polymeres. |
BE1005181A3 (fr) * | 1991-08-19 | 1993-05-18 | Solvay | Compositions comprenant un ether fluore et utilisation de ces compositions. |
JP2714486B2 (ja) * | 1993-03-02 | 1998-02-16 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | ヘキサフルオロプロパンを含む組成物 |
US5611210A (en) * | 1993-03-05 | 1997-03-18 | Ikon Corporation | Fluoroiodocarbon blends as CFC and halon replacements |
US5278196A (en) * | 1993-03-25 | 1994-01-11 | Great Lakes Chemical Corp. | Hydrofluorocarbon compositions as blowing agents for cellular plastics |
US5494601A (en) * | 1993-04-01 | 1996-02-27 | Minnesota Mining And Manufacturing Company | Azeotropic compositions |
CN1061063C (zh) * | 1993-08-10 | 2001-01-24 | 松下电器产业株式会社 | 绝热体及其生产方法 |
US5539006A (en) * | 1993-12-15 | 1996-07-23 | Bayer Corporation | Rigid foams with improved insulation and physical properties |
US5539008A (en) * | 1993-12-29 | 1996-07-23 | Minnesota Mining And Manufacturing Company | Foamable composition containing unsaturated perfluorochemical blowing agent |
US5530035A (en) * | 1994-06-15 | 1996-06-25 | General Electric Company | Method of preparing polyurethane foam of low thermal conductivity |
KR0180613B1 (en) * | 1994-09-07 | 1999-05-15 | Matsushita Electric Ind Co Ltd | Thermal insulating foamed material and method for manufacturing the same |
PL319832A1 (en) * | 1994-10-20 | 1997-09-01 | Dow Chemical Co | Method of making polyurethane foams using a hydrocarbonaceous expanding agent |
US5762822A (en) * | 1994-12-29 | 1998-06-09 | Basf Corporation | Dimensionally stable closed cell rigid polyisocyanate based foam prepared from a froth foaming mixture |
US5786398A (en) * | 1995-03-24 | 1998-07-28 | Owens-Corning Fiberglas Technology Inc. | Manufacture of insulating foams containing film forming additives |
US6306919B1 (en) | 1995-07-03 | 2001-10-23 | Exxonmobil Chemical Patents, Inc. | Thermosetting plastic foam |
US20030158277A1 (en) * | 1995-07-03 | 2003-08-21 | Blanpied Robert H. | Method of producing rigid foams and products produced therefrom |
JP3012897B2 (ja) * | 1995-11-02 | 2000-02-28 | 三洋化成工業株式会社 | 硬質ポリイソシアヌレートフォームの製造法 |
US6117917A (en) * | 1999-04-12 | 2000-09-12 | Elf Atochem North America, Inc. | Blowing agent blends and use thereof |
US6586487B1 (en) * | 2000-07-12 | 2003-07-01 | Bayer Corporation | Low-density, water blown polyurethane foams for energy-absorbing applications |
US20040126564A1 (en) * | 2000-11-15 | 2004-07-01 | Atlas Roofing Corporation | Thermosetting plastic foams and methods of production thereof using adhesion additives |
US6866923B2 (en) * | 2000-11-15 | 2005-03-15 | Atlas Roofing Corporation | Thermosetting plastic foams and methods of production thereof using adhesion additives |
US20040224141A1 (en) * | 2001-11-02 | 2004-11-11 | Seiling Kevin A. | Composite decking |
DE10218696A1 (de) * | 2002-04-26 | 2003-11-27 | Moellertech Gmbh | Verfahren zur Herstellung eines schäumbaren Kunststoffes |
EP2277942A3 (fr) * | 2002-10-25 | 2014-07-09 | Honeywell International, Incorporated. | Compositions contenant des oléfines substituées par du fluor |
US7279451B2 (en) * | 2002-10-25 | 2007-10-09 | Honeywell International Inc. | Compositions containing fluorine substituted olefins |
US20050269549A1 (en) * | 2004-06-02 | 2005-12-08 | Jinhuang Wu | Polyol premixes incorporating trans-1, 2-dichloroethylene |
CN100566811C (zh) * | 2004-09-13 | 2009-12-09 | 株式会社吴羽 | 热发泡性微球及其制造方法、其用途、含有其的组合物、和物品 |
TWI558685B (zh) * | 2005-06-24 | 2016-11-21 | 哈尼威爾國際公司 | 含有經氟取代之烯烴之組合物 |
US9315612B2 (en) | 2005-07-27 | 2016-04-19 | Certainteed Corporation | Composite material including rigid foam with inorganic fillers |
AU2006315130A1 (en) | 2005-11-10 | 2007-05-24 | Great Lakes Chemical Corporation | Fire extinguishing and fire suppression compositions comprising unsaturate flouorocarbons |
PL1973965T3 (pl) * | 2006-01-06 | 2010-01-29 | Supresta Llc | Niehalogenowe dodatki opóźniające palenie do zastosowania w sztywnych piankach poliuretanowych |
CA2646990C (fr) * | 2006-03-21 | 2018-02-20 | Honeywell International Inc. | Agents moussants et compositions contenant des ethers et olefines substituees au fluor et procede de moussage |
FR2899234B1 (fr) * | 2006-03-31 | 2017-02-17 | Arkema | Composition d'agent d'expansion |
US8580864B2 (en) | 2006-05-04 | 2013-11-12 | Air Products And Chemicals, Inc. | Trimer catalysts with improved processability and surface cure |
CA2681602C (fr) | 2007-03-29 | 2014-10-28 | Arkema Inc. | Agents d'expansion d'hydrofluoropropene pour des thermoplastiques |
US8053485B2 (en) | 2007-11-08 | 2011-11-08 | Sika Technology Ag | Polyurethane foam |
JP4691683B2 (ja) * | 2009-06-02 | 2011-06-01 | モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社 | ポリウレタン発泡組成物およびポリウレタンフォームの製造方法 |
US8846776B2 (en) | 2009-08-14 | 2014-09-30 | Boral Ip Holdings Llc | Filled polyurethane composites and methods of making same |
US9481759B2 (en) | 2009-08-14 | 2016-11-01 | Boral Ip Holdings Llc | Polyurethanes derived from highly reactive reactants and coal ash |
JP6085299B2 (ja) | 2011-08-01 | 2017-02-22 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | Hfo/水で発泡した硬質フォーム系 |
MX357982B (es) | 2011-08-23 | 2018-08-01 | Basf Se | Micro-emulsiones. |
AU2012318528A1 (en) | 2011-10-07 | 2014-05-22 | Boral Ip Holdings (Australia) Pty Limited | Inorganic polymer/organic polymer composites and methods of making same |
CA2880780C (fr) * | 2012-09-28 | 2021-06-22 | Basf Se | Procede de fabrication de profiles composites |
US9932457B2 (en) | 2013-04-12 | 2018-04-03 | Boral Ip Holdings (Australia) Pty Limited | Composites formed from an absorptive filler and a polyurethane |
WO2015042300A1 (fr) | 2013-09-19 | 2015-03-26 | Dow Global Technologies Llc | Procédé assisté par dépression pour fabriquer des mousses de polyuréthane rigides à cellules fermées à l'aide d'un mélange d'agents d'expansion |
EP2886591A1 (fr) | 2013-12-19 | 2015-06-24 | Evonik Industries AG | Composition, appropriée à la fabrication de mousses polyuréthane, contenant au moins un agent de nucléation |
WO2016018226A1 (fr) | 2014-07-28 | 2016-02-04 | Crocco Guy | Utilisation d'agents réfrigérants évaporatifs pour fabriquer des composites de polyuréthane chargés |
US9752015B2 (en) | 2014-08-05 | 2017-09-05 | Boral Ip Holdings (Australia) Pty Limited | Filled polymeric composites including short length fibers |
WO2016118141A1 (fr) | 2015-01-22 | 2016-07-28 | Boral Ip Holdings (Australia) Pty Limited | Composites de polyuréthanne hautement chargés |
US10030126B2 (en) | 2015-06-05 | 2018-07-24 | Boral Ip Holdings (Australia) Pty Limited | Filled polyurethane composites with lightweight fillers |
WO2017082914A1 (fr) | 2015-11-12 | 2017-05-18 | Boral Ip Holdings (Australia) Pty Limited | Composites de polyuréthane chargés de charges à taille calibrée |
CA3007762C (fr) | 2015-12-08 | 2022-10-18 | Firestone Building Products Company, Llc | Procede de fabrication de panneaux de construction en mousse a base d'isocyanate |
CN110300777B (zh) | 2017-02-17 | 2022-05-03 | 泽费罗斯股份有限公司 | 包含至少两种羧酸作为发泡剂的可活化的聚合物组合物 |
CN109679130B (zh) * | 2017-10-19 | 2021-09-07 | 山东理工大学 | 包含六氟丁烯和有机醇胺盐化合物的复合发泡剂 |
US10870987B1 (en) | 2017-12-04 | 2020-12-22 | Firestone Building Products Company, Llc | Isocyanate-based foam construction boards |
CN115814325B (zh) * | 2022-11-23 | 2024-04-19 | 浙江工业大学 | 一种含氟灭火剂组合物 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3818692A1 (de) * | 1988-06-01 | 1989-12-07 | Bayer Ag | Verwendung von 1,1,1,4,4,4-hexafluorbutan als treib- und daemmgas fuer die herstellung von kunststoff-schaumstoffen |
US4945119A (en) * | 1989-05-10 | 1990-07-31 | The Dow Chemical Company | Foaming system for rigid urethane and isocyanurate foams |
US4981879A (en) * | 1989-08-28 | 1991-01-01 | Jim Walter Research Corp. | Rigid foam with improved "K" factor from perfluorinated hydrocarbons |
EP0431542A3 (en) * | 1989-12-07 | 1991-12-27 | Hoechst Aktiengesellschaft | Process for the preparation of foams |
EP0432672B1 (fr) * | 1989-12-12 | 1997-03-19 | SOLVAY (Société Anonyme) | Procédé pour la préparation de mousses avec des fluoralcanes |
US4997706A (en) * | 1990-02-09 | 1991-03-05 | The Dow Chemical Company | Foaming system for closed-cell rigid polymer foam |
DE4006952A1 (de) * | 1990-03-06 | 1991-09-12 | Hoechst Ag | Verfahren zur herstellung von schaumstoffen mit hilfe von treibmitteln, die fluoralkane und fluorierte ether enthalten, sowie nach diesem verfahren erhaeltliche schaumstoffe |
US5064560A (en) * | 1990-10-11 | 1991-11-12 | E. I. Du Pont De Nemours And Company | Ternary azeotropic compositions of 43-10mee (CF3 CHFCHFCH2 CF.sub. |
US5039445A (en) * | 1990-10-03 | 1991-08-13 | E. I. Du Pont De Nemours And Company | Ternary azeotropic compositions of N-perfluorobutylethylene and cis-1,2-dichloroethylene with methanol or ethanol or isopropanol |
FR2678279B1 (fr) * | 1991-06-27 | 1993-09-03 | Atochem | Application de (perfluoroalkyl)-ethylenes comme agents d'expansion et/ou gaz d'isolation pour mousses de polymeres. |
US5166182A (en) * | 1992-03-23 | 1992-11-24 | Atlas Roofing Corporation | Thermosetting plastic foams and methods of production thereof using novel blowing agents |
-
1991
- 1991-06-27 DE DE4121161A patent/DE4121161A1/de not_active Withdrawn
-
1992
- 1992-06-02 CA CA002070209A patent/CA2070209C/fr not_active Expired - Fee Related
- 1992-06-20 ES ES92110451T patent/ES2095354T3/es not_active Expired - Lifetime
- 1992-06-20 AT AT92110451T patent/ATE146204T1/de not_active IP Right Cessation
- 1992-06-20 DK DK92110451.9T patent/DK0523398T3/da active
- 1992-06-20 DE DE59207652T patent/DE59207652D1/de not_active Expired - Lifetime
- 1992-06-20 EP EP92110451A patent/EP0523398B1/fr not_active Expired - Lifetime
- 1992-06-26 US US07/904,919 patent/US5205956A/en not_active Expired - Fee Related
- 1992-06-27 KR KR1019920011429A patent/KR930000561A/ko active IP Right Grant
- 1992-06-29 JP JP4171340A patent/JPH05209078A/ja not_active Withdrawn
- 1992-12-08 US US07/986,747 patent/US5300534A/en not_active Expired - Fee Related
- 1992-12-08 US US07/986,748 patent/US5278195A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2070209A1 (fr) | 1992-12-28 |
KR930000561A (ko) | 1993-01-15 |
DE4121161A1 (de) | 1993-01-07 |
US5278195A (en) | 1994-01-11 |
DE59207652D1 (de) | 1997-01-23 |
EP0523398A1 (fr) | 1993-01-20 |
ATE146204T1 (de) | 1996-12-15 |
JPH05209078A (ja) | 1993-08-20 |
EP0523398B1 (fr) | 1996-12-11 |
CA2070209C (fr) | 1997-05-13 |
ES2095354T3 (es) | 1997-02-16 |
US5300534A (en) | 1994-04-05 |
US5205956A (en) | 1993-04-27 |
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