ES2140775T3 - Procedimiento para preparar una espuma flexible. - Google Patents
Procedimiento para preparar una espuma flexible.Info
- Publication number
- ES2140775T3 ES2140775T3 ES96115320T ES96115320T ES2140775T3 ES 2140775 T3 ES2140775 T3 ES 2140775T3 ES 96115320 T ES96115320 T ES 96115320T ES 96115320 T ES96115320 T ES 96115320T ES 2140775 T3 ES2140775 T3 ES 2140775T3
- Authority
- ES
- Spain
- Prior art keywords
- weight
- polyol
- alkaline
- preparing
- procedure
- 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/593—Dicarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/60—Maleic acid esters; Fumaric acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
- C07C59/60—Unsaturated compounds containing ether groups, groups, groups, or groups the non-carboxylic part of the ether being unsaturated
-
- 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
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/225—Catalysts containing metal compounds of alkali or alkaline earth metals
-
- 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
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/288—Compounds containing at least one heteroatom other than oxygen or 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
- C08G18/40—High-molecular-weight compounds
- C08G18/409—Dispersions of polymers of C08G in organic compounds having active hydrogen
-
- 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
-
- 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
-
- 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
- C08G18/50—Polyethers having heteroatoms other than oxygen
-
- 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
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/6795—Unsaturated polyethers
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
- C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
- C08G65/3324—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof cyclic
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33348—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group
- C08G65/33355—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group cyclic
- C08G65/33358—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group cyclic aromatic
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/338—Polymers modified by chemical after-treatment with inorganic and organic 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
- 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
- C08G2110/0041—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
- C08G2110/0041—Foam properties having specified density
- C08G2110/0058—≥50 and <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
- 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)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
UN METODO PARA LA PREPARACION DE ESPUMAS DE POLIURETANO FLEXIBLES POR REACCION DE UN POLIISOCIANATO QUE CONTIENE AL MENOS UN 85 % EN PESO DE 4,4''-DIFENILMETANO DIISOCIANATO O UNA VARIANTE LIQUIDA DE ESTE CON UNA COMPOSICION DE POLIOL QUE COMPRENDE AL MENOS UN POLI(OXIETILENO-OXIALQUILENO) POLIOL QUE TIENE UNA FUNCIONALIDAD HIDROXILO NOMINAL MEDIA DE 2 A 6, UN NUMERO MEDIO DE PESO EQUIVALENTE DE HIDROXILO DE 1000 A 3000, Y UN CONTENIDO DE OXIETILENO MEDIO DEL 50 AL 85 % EN PESO Y CON AGUA EN PRESENCIA DE UNA CANTIDAD CATALITICAMENTE EFECTIVA DE UNA SAL DE CARBOXILATO DE METAL ALCALINO O ALCALINOTERREO.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939307556A GB9307556D0 (en) | 1993-04-13 | 1993-04-13 | Process for preparing a flexible foam |
GB9401339A GB9401339D0 (en) | 1994-01-25 | 1994-01-25 | Alkali metal or alkialine earth metal salts of specific organic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2140775T3 true ES2140775T3 (es) | 2000-03-01 |
Family
ID=26302741
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94912523T Expired - Lifetime ES2108441T3 (es) | 1993-04-13 | 1994-03-23 | Proceso para preparar una espuma flexible. |
ES96115320T Expired - Lifetime ES2140775T3 (es) | 1993-04-13 | 1994-03-23 | Procedimiento para preparar una espuma flexible. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94912523T Expired - Lifetime ES2108441T3 (es) | 1993-04-13 | 1994-03-23 | Proceso para preparar una espuma flexible. |
Country Status (9)
Country | Link |
---|---|
EP (2) | EP0751114B1 (es) |
JP (1) | JPH08511287A (es) |
CN (2) | CN1039423C (es) |
CA (1) | CA2158653A1 (es) |
DE (2) | DE69406656T2 (es) |
ES (2) | ES2108441T3 (es) |
HK (2) | HK1002684A1 (es) |
MY (2) | MY132712A (es) |
WO (1) | WO1994024184A1 (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ503618A (en) * | 1997-10-22 | 2001-09-28 | Shell Int Research | Polyol formulation and method of preparing a polyurethane foam using the formulation |
EP1172387A1 (en) | 2000-07-14 | 2002-01-16 | Huntsman International Llc | Process for preparing an elastomer |
EP1178063A1 (en) | 2000-08-01 | 2002-02-06 | Huntsman International Llc | Process for preparing a polyurethane material |
EP1234843A1 (en) | 2001-02-26 | 2002-08-28 | Huntsman International Llc | Process for preparing a flexible polyurethane foam |
JP5876492B2 (ja) * | 2010-09-29 | 2016-03-02 | ダウ グローバル テクノロジーズ エルエルシー | 高官能価芳香族ポリエステル、高官能価芳香族ポリエステルを含むポリオールブレンド、およびそれから得られる生成物 |
US20180345838A1 (en) * | 2015-12-16 | 2018-12-06 | Bridgestone Corporation | Soft polyurethane foam and seat pad |
CN111072896A (zh) * | 2019-12-27 | 2020-04-28 | 江苏世丰新材料有限公司 | 一种车内饰用低气味阻燃聚氨酯泡沫材料及其制备方法 |
WO2023107358A1 (en) * | 2021-12-09 | 2023-06-15 | Dow Global Technologies Llc | Flame retardant flexible polyurethane foam for automotive seating |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE795474A (fr) * | 1972-02-17 | 1973-08-16 | Bayer Ag | Sels alcalins d'acides polyester-carboxyliques, et leur preparation |
US4098732A (en) * | 1973-12-25 | 1978-07-04 | Bridgestone Tire Co., Ltd. | Process for production of flame-resistant and smoke-retardant polyurethane foams |
JPS583488B2 (ja) * | 1978-05-15 | 1983-01-21 | 株式会社ブリヂストン | 軟質ポリエ−テルポリウレタンフオ−ムの製造方法 |
EP0022617B2 (en) * | 1979-07-11 | 1991-09-25 | Imperial Chemical Industries Plc | Polyisocyanate compositions and their use in the preparation of polyurethane foams |
JPS5681332A (en) * | 1979-12-04 | 1981-07-03 | Dai Ichi Kogyo Seiyaku Co Ltd | Production of modified polyisocyanurate foam |
JPS57119915A (en) * | 1981-01-16 | 1982-07-26 | Bridgestone Corp | Preparation of urethane modified isocyanurate foam |
JPS5876416A (ja) * | 1981-10-30 | 1983-05-09 | Achilles Corp | ウレタン変性イソシアヌレ−トフオ−ムの製造方法 |
US4365025A (en) * | 1981-12-08 | 1982-12-21 | W. R. Grace & Co. | Flexible polyurethane foams from polymethylene polyphenyl isocyanate containing prepolymers |
US4603076A (en) * | 1985-03-04 | 1986-07-29 | Norwood Industries, Inc. | Hydrophilic foam |
US5175229A (en) * | 1986-11-18 | 1992-12-29 | W. R. Grace & Co.-Conn. | Biocompatible polyurea-urethane hydrated polymers |
IT1229756B (it) * | 1989-05-17 | 1991-09-10 | Montedipe Spa | Schiume poliuretaniche flessibili e procedimento per la loro preparazione |
US5114989A (en) * | 1990-11-13 | 1992-05-19 | The Dow Chemical Company | Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom |
-
1994
- 1994-03-23 ES ES94912523T patent/ES2108441T3/es not_active Expired - Lifetime
- 1994-03-23 CA CA002158653A patent/CA2158653A1/en not_active Abandoned
- 1994-03-23 WO PCT/EP1994/000928 patent/WO1994024184A1/en active IP Right Grant
- 1994-03-23 JP JP6522667A patent/JPH08511287A/ja active Pending
- 1994-03-23 DE DE69406656T patent/DE69406656T2/de not_active Expired - Fee Related
- 1994-03-23 EP EP96115320A patent/EP0751114B1/en not_active Expired - Lifetime
- 1994-03-23 DE DE69422198T patent/DE69422198T2/de not_active Expired - Fee Related
- 1994-03-23 EP EP94912523A patent/EP0694048B1/en not_active Expired - Lifetime
- 1994-03-23 CN CN94191753A patent/CN1039423C/zh not_active Expired - Lifetime
- 1994-03-23 ES ES96115320T patent/ES2140775T3/es not_active Expired - Lifetime
- 1994-04-11 MY MYPI97005749A patent/MY132712A/en unknown
- 1994-04-11 MY MYPI94000863A patent/MY131187A/en unknown
-
1997
- 1997-03-18 CN CN97104527A patent/CN1176261A/zh active Pending
-
1998
- 1998-03-06 HK HK98101863A patent/HK1002684A1/xx not_active IP Right Cessation
- 1998-04-01 HK HK98102748A patent/HK1003836A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1120849A (zh) | 1996-04-17 |
EP0751114A2 (en) | 1997-01-02 |
CA2158653A1 (en) | 1994-10-27 |
DE69422198D1 (de) | 2000-01-20 |
HK1002684A1 (en) | 1998-09-11 |
AU667779B2 (en) | 1996-04-04 |
DE69406656T2 (de) | 1998-03-26 |
EP0694048B1 (en) | 1997-11-05 |
HK1003836A1 (en) | 1998-11-06 |
JPH08511287A (ja) | 1996-11-26 |
CN1176261A (zh) | 1998-03-18 |
MY132712A (en) | 2007-10-31 |
CN1039423C (zh) | 1998-08-05 |
EP0751114B1 (en) | 1999-12-15 |
EP0751114A3 (en) | 1997-01-15 |
MY131187A (en) | 2007-07-31 |
DE69406656D1 (de) | 1997-12-11 |
AU6504794A (en) | 1994-11-08 |
DE69422198T2 (de) | 2000-05-25 |
EP0694048A1 (en) | 1996-01-31 |
WO1994024184A1 (en) | 1994-10-27 |
ES2108441T3 (es) | 1997-12-16 |
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