BR9712860A - Composição reativa com isocianato, processo para preparar espumas rìgidas de poliuretano ou de polisocianurato modificado com uretano, e, espumas rìgidas de poliuretano ou de poliisocianurato modificado com uretano - Google Patents
Composição reativa com isocianato, processo para preparar espumas rìgidas de poliuretano ou de polisocianurato modificado com uretano, e, espumas rìgidas de poliuretano ou de poliisocianurato modificado com uretanoInfo
- Publication number
- BR9712860A BR9712860A BR9712860-0A BR9712860A BR9712860A BR 9712860 A BR9712860 A BR 9712860A BR 9712860 A BR9712860 A BR 9712860A BR 9712860 A BR9712860 A BR 9712860A
- Authority
- BR
- Brazil
- Prior art keywords
- urethane
- rigid polyurethane
- modified
- polyurethane
- reactive composition
- Prior art date
Links
- 229920002635 polyurethane Polymers 0.000 title abstract 4
- 239000004814 polyurethane Substances 0.000 title abstract 4
- 239000006260 foam Substances 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 title abstract 3
- 229920005830 Polyurethane Foam Polymers 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000011496 polyurethane foam Substances 0.000 title abstract 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 title 2
- 239000012948 isocyanate Substances 0.000 title 1
- 150000002513 isocyanates Chemical class 0.000 title 1
- 229920000582 polyisocyanurate Polymers 0.000 title 1
- 239000011495 polyisocyanurate Substances 0.000 title 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 2
- 229920000728 polyester Polymers 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 125000000753 cycloalkyl group Chemical group 0.000 abstract 1
- 125000000524 functional group Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 229920005903 polyol mixture Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 239000012970 tertiary amine catalyst Substances 0.000 abstract 1
Classifications
-
- 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
-
- 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
-
- 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
- C08G18/089—Reaction retarding agents
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
"COMPOSIçãO REATIVA COM ISOCIANATO, PROCESSO PARA PREPARAR ESPUMAS RìGIDAS DE POLIURETANO OU DE POLIISOCIANURATO MODIFICADO COM URETANO, E, ESPUMAS RìGIDAS DE POLIURETANO OU DE POLIISOCIANURATO MODIFICADO COM URETANO". Mistura de poliol compreendendoum políester poliol, um catalidador de amina terciária e um ácido carboxílico orgânico em que referido ácido carboxílico contém pelo menos um grupo funcional OH, SH, NH~ 2~ ou NHR, em que R é um grupo alquila, cicloalquila ou arila, e o uso de referuda mistura de poliol na fabricação de espumas de poliuretano rígidas.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96117643 | 1996-11-04 | ||
| PCT/EP1997/005610 WO1998020058A1 (en) | 1996-11-04 | 1997-10-10 | Rigid polyurethane foams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9712860A true BR9712860A (pt) | 1999-12-07 |
Family
ID=8223363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9712860-0A BR9712860A (pt) | 1996-11-04 | 1997-10-10 | Composição reativa com isocianato, processo para preparar espumas rìgidas de poliuretano ou de polisocianurato modificado com uretano, e, espumas rìgidas de poliuretano ou de poliisocianurato modificado com uretano |
Country Status (23)
| Country | Link |
|---|---|
| US (2) | US6403665B1 (pt) |
| EP (1) | EP0935624B1 (pt) |
| JP (1) | JP2001503461A (pt) |
| KR (1) | KR20000053019A (pt) |
| CN (1) | CN1134473C (pt) |
| AR (1) | AR010541A1 (pt) |
| AU (1) | AU723069B2 (pt) |
| BR (1) | BR9712860A (pt) |
| CA (1) | CA2268182A1 (pt) |
| CZ (1) | CZ156699A3 (pt) |
| DE (1) | DE69702926T2 (pt) |
| DK (1) | DK0935624T3 (pt) |
| ES (1) | ES2149580T3 (pt) |
| HU (1) | HUP9904499A3 (pt) |
| ID (1) | ID22277A (pt) |
| NZ (1) | NZ335208A (pt) |
| PL (1) | PL333050A1 (pt) |
| RU (1) | RU2189379C2 (pt) |
| SI (1) | SI0935624T1 (pt) |
| SK (1) | SK58299A3 (pt) |
| TR (1) | TR199900970T2 (pt) |
| TW (1) | TW399076B (pt) |
| WO (1) | WO1998020058A1 (pt) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6803495B2 (en) * | 2000-06-28 | 2004-10-12 | World Properties, Inc. | Polyurethane foam composition and method of manufacture thereof |
| US6387972B1 (en) * | 2001-02-15 | 2002-05-14 | Crompton Corporation | Process to enhance polyurethane foam performance |
| US20030039226A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Physical layer automatic repeat request (ARQ) |
| EP1288239A1 (en) | 2001-08-30 | 2003-03-05 | Huntsman International Llc | Process for making rigid urethane-modified polyisocyanurate foams |
| AU2008209665B2 (en) * | 2001-08-30 | 2011-08-04 | Huntsman International Llc | Process for making rigid urethane-modified polyisocyanurate foams |
| US6753357B2 (en) * | 2001-12-18 | 2004-06-22 | Foam Supplies, Inc. | Rigid foam compositions and method employing methyl formate as a blowing agent |
| GB0222522D0 (en) | 2002-09-27 | 2002-11-06 | Controlled Therapeutics Sct | Water-swellable polymers |
| US6869543B2 (en) * | 2003-02-21 | 2005-03-22 | Bayer Polymers Llc | Amine-initiated polyether polyols and a process for their production |
| EP1577332A1 (en) * | 2004-03-15 | 2005-09-21 | Huntsman International Llc | Process for making rigid polyurethane foams |
| AU2012200194B2 (en) * | 2004-08-04 | 2013-12-05 | Foam Supplies, Inc. | Reactivity drift and catalyst degradation in polyurethane foam |
| CA2575613C (en) * | 2004-08-04 | 2015-05-19 | Foam Supplies, Inc. | Reactivity drift and catalyst degradation in polyurethane foam |
| GB0417401D0 (en) | 2004-08-05 | 2004-09-08 | Controlled Therapeutics Sct | Stabilised prostaglandin composition |
| US8501828B2 (en) * | 2004-08-11 | 2013-08-06 | Huntsman Petrochemical Llc | Cure rebond binder |
| US20060141239A1 (en) * | 2004-12-28 | 2006-06-29 | Gilder Stephen D | Method for making a bonded foam product suitable for use as an underlayment for floor coverings |
| CN101287788B (zh) | 2005-07-26 | 2012-09-19 | 可耐福保温材料有限公司 | 粘结剂和由其制备的材料 |
| GB0613333D0 (en) | 2006-07-05 | 2006-08-16 | Controlled Therapeutics Sct | Hydrophilic polyurethane compositions |
| GB0613638D0 (en) | 2006-07-08 | 2006-08-16 | Controlled Therapeutics Sct | Polyurethane elastomers |
| JP2008074880A (ja) * | 2006-09-19 | 2008-04-03 | Nippon Polyurethane Ind Co Ltd | 硬質ポリウレタンスラブフォームの製造方法、硬質ポリウレタンスラブフォームおよび配管用断熱材 |
| GB0620685D0 (en) | 2006-10-18 | 2006-11-29 | Controlled Therapeutics Sct | Bioresorbable polymers |
| ES2574128T3 (es) * | 2007-01-19 | 2016-06-15 | Huntsman Petrochemical Llc | Aminas terciarias bloqueadas con ácidos poliméricos |
| HUE068424T2 (hu) | 2007-01-25 | 2024-12-28 | Knauf Insulation | Ásványi szálas lemez |
| BRPI0721232B1 (pt) | 2007-01-25 | 2023-01-24 | Knauf Insulation Limited | Placa de madeira compósita |
| PT2108006T (pt) | 2007-01-25 | 2020-12-21 | Knauf Insulation Gmbh | Ligantes e materiais feitos com os mesmos |
| WO2008127936A2 (en) | 2007-04-13 | 2008-10-23 | Knauf Insulation Gmbh | Composite maillard-resole binders |
| GB0715100D0 (en) | 2007-08-03 | 2007-09-12 | Knauf Insulation Ltd | Binders |
| US9453115B2 (en) * | 2007-10-12 | 2016-09-27 | Honeywell International Inc. | Stabilization of polyurethane foam polyol premixes containing halogenated olefin blowing agents |
| WO2009149845A1 (de) * | 2008-06-12 | 2009-12-17 | Alcan Technology & Management Ltd. | Geschäumte polyester und verfahren zu deren herstellung |
| US8900495B2 (en) | 2009-08-07 | 2014-12-02 | Knauf Insulation | Molasses binder |
| PH12012502183A1 (en) | 2010-05-07 | 2017-06-23 | Knauf Insulation | Carbohydrate polyamine binders and materials made therewith |
| CN103025777B (zh) | 2010-05-07 | 2016-01-20 | 克瑙夫绝缘私人有限公司 | 碳水化合物粘合剂及用其制备的材料 |
| US20130082205A1 (en) | 2010-06-07 | 2013-04-04 | Knauf Insulation Sprl | Fiber products having temperature control additives |
| US20140186635A1 (en) | 2011-05-07 | 2014-07-03 | Knauf Insulation | Liquid high solids binder composition |
| RU2640798C2 (ru) * | 2012-02-28 | 2018-01-12 | Басф Се | Способ получения жестких полимерных пеноматериалов |
| GB201206193D0 (en) | 2012-04-05 | 2012-05-23 | Knauf Insulation Ltd | Binders and associated products |
| US9598548B2 (en) * | 2012-08-09 | 2017-03-21 | Basf Se | Producing polymer foams comprising imide groups |
| GB201214734D0 (en) | 2012-08-17 | 2012-10-03 | Knauf Insulation Ltd | Wood board and process for its production |
| US10023681B2 (en) * | 2012-10-24 | 2018-07-17 | Evonik Degussa Gmbh | Delay action catalyst for improving the stability of polyurethane systems having halogen containing blowing agents |
| ES2921601T3 (es) | 2012-12-05 | 2022-08-30 | Knauf Insulation Sprl | Aglutinante |
| PL3102587T3 (pl) | 2014-02-07 | 2019-01-31 | Knauf Insulation, Inc. | Nieutwardzone wyroby o ulepszonym okresie trwałości |
| GB201408909D0 (en) | 2014-05-20 | 2014-07-02 | Knauf Insulation Ltd | Binders |
| GB201412709D0 (en) | 2014-07-17 | 2014-09-03 | Knauf Insulation And Knauf Insulation Ltd | Improved binder compositions and uses thereof |
| JP6816016B2 (ja) * | 2015-04-07 | 2021-01-20 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | 硬質ポリウレタンフォーム用ポリオールプレミックス組成物 |
| GB201517867D0 (en) | 2015-10-09 | 2015-11-25 | Knauf Insulation Ltd | Wood particle boards |
| GB201610063D0 (en) | 2016-06-09 | 2016-07-27 | Knauf Insulation Ltd | Binders |
| GB201701569D0 (en) | 2017-01-31 | 2017-03-15 | Knauf Insulation Ltd | Improved binder compositions and uses thereof |
| CN107337778A (zh) * | 2017-08-07 | 2017-11-10 | 冯运成 | 聚氨酯泡沫组合物及由其制备的聚氨酯泡沫塑料 |
| WO2019050970A1 (en) * | 2017-09-05 | 2019-03-14 | Huntsman Petrochemical Llc | CATALYST SYSTEM FOR PREMIXES OF POLYOLS CONTAINING HYDROHALOOLEFIN EXPANSION AGENTS |
| GB201804908D0 (en) | 2018-03-27 | 2018-05-09 | Knauf Insulation Ltd | Binder compositions and uses thereof |
| GB201804907D0 (en) | 2018-03-27 | 2018-05-09 | Knauf Insulation Ltd | Composite products |
| WO2021194766A1 (en) * | 2020-03-27 | 2021-09-30 | Huntsman Petrochemical Llc | Acid-blocked alkylaminopyridine catalysts for polyurethane foam |
| CN115572361B (zh) * | 2021-06-21 | 2025-02-18 | 万华化学(宁波)容威聚氨酯有限公司 | 一种酸性聚氨酯硬质泡沫及其制备方法 |
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| NL104983C (pt) | 1955-03-04 | |||
| NL103386C (pt) * | 1958-03-12 | |||
| US3645925A (en) | 1970-07-31 | 1972-02-29 | Jefferson Chem Co Inc | 4 4'-dimorpholinodiethyl ether catalyst for polyurethane preparation |
| US3661808A (en) | 1970-07-31 | 1972-05-09 | Jefferson Chem Co Inc | Catalyst combination for polyurethanes |
| US3980594A (en) | 1975-04-23 | 1976-09-14 | The General Tire & Rubber Company | Trimerization of aromatic isocyanates catalyzed by certain ammonium salts |
| DE2607999C2 (de) | 1976-02-27 | 1983-02-03 | Bayer Ag, 5090 Leverkusen | Urethan- und Isocyanuratgruppen aufweisende Schaumstoffe und ein Verfahren zu ihrer Herstellung |
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| SU1274273A1 (ru) * | 1983-12-13 | 1994-11-30 | Всесоюзный научно-исследовательский институт синтетических смол | Способ получения полиуретанмочевинных дисперсий |
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| US5591781A (en) | 1993-10-27 | 1997-01-07 | Tosoh Corporation | Process for producing polyurethane foam with high curing rate |
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| JP3061717B2 (ja) | 1993-12-03 | 2000-07-10 | 日清紡績株式会社 | 変性ポリイソシアヌレート発泡体の製造法 |
| US5539008A (en) | 1993-12-29 | 1996-07-23 | Minnesota Mining And Manufacturing Company | Foamable composition containing unsaturated perfluorochemical blowing agent |
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| CA2144490A1 (en) | 1994-03-28 | 1995-09-29 | Michael J. Skowronski | Catalyst for polyisocyanurate foams made with alternative blowing agents |
| US5430071A (en) | 1994-07-08 | 1995-07-04 | Basf Corporation | Dimensionally stable closed cell rigid polyisocyanate based foam prepared from a froth foaming mixture |
| DE4444249C2 (de) * | 1994-12-13 | 2003-12-24 | Basf Schwarzheide Gmbh | Katalysatorzusammensetzung für die Herstellung von nichtzelligen Polyurethanen nach dem Polyisocyanat-Polyadditionsverfahren |
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-
1997
- 1997-10-10 PL PL97333050A patent/PL333050A1/xx unknown
- 1997-10-10 CN CNB971993998A patent/CN1134473C/zh not_active Expired - Fee Related
- 1997-10-10 TR TR1999/00970T patent/TR199900970T2/xx unknown
- 1997-10-10 SI SI9730089T patent/SI0935624T1/xx unknown
- 1997-10-10 NZ NZ335208A patent/NZ335208A/xx unknown
- 1997-10-10 DE DE69702926T patent/DE69702926T2/de not_active Expired - Lifetime
- 1997-10-10 KR KR1019990703907A patent/KR20000053019A/ko not_active Withdrawn
- 1997-10-10 CZ CZ991566A patent/CZ156699A3/cs unknown
- 1997-10-10 CA CA002268182A patent/CA2268182A1/en not_active Abandoned
- 1997-10-10 ID IDW990264D patent/ID22277A/id unknown
- 1997-10-10 SK SK582-99A patent/SK58299A3/sk unknown
- 1997-10-10 AU AU48668/97A patent/AU723069B2/en not_active Ceased
- 1997-10-10 JP JP52098898A patent/JP2001503461A/ja active Pending
- 1997-10-10 RU RU99111765/04A patent/RU2189379C2/ru not_active IP Right Cessation
- 1997-10-10 HU HU9904499A patent/HUP9904499A3/hu unknown
- 1997-10-10 BR BR9712860-0A patent/BR9712860A/pt active Search and Examination
- 1997-10-10 WO PCT/EP1997/005610 patent/WO1998020058A1/en not_active Ceased
- 1997-10-10 ES ES97911214T patent/ES2149580T3/es not_active Expired - Lifetime
- 1997-10-10 DK DK97911214T patent/DK0935624T3/da active
- 1997-10-10 EP EP97911214A patent/EP0935624B1/en not_active Expired - Lifetime
- 1997-10-16 TW TW086115257A patent/TW399076B/zh not_active IP Right Cessation
- 1997-10-17 US US08/953,363 patent/US6403665B1/en not_active Expired - Lifetime
- 1997-11-04 AR ARP970105132A patent/AR010541A1/es not_active Application Discontinuation
-
2002
- 2002-03-06 US US10/090,783 patent/US6528549B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0935624A1 (en) | 1999-08-18 |
| NZ335208A (en) | 2000-11-24 |
| TR199900970T2 (en) | 1999-07-21 |
| KR20000053019A (ko) | 2000-08-25 |
| WO1998020058A1 (en) | 1998-05-14 |
| SK58299A3 (en) | 2000-02-14 |
| US6528549B2 (en) | 2003-03-04 |
| CA2268182A1 (en) | 1998-05-14 |
| EP0935624B1 (en) | 2000-08-23 |
| PL333050A1 (en) | 1999-11-08 |
| JP2001503461A (ja) | 2001-03-13 |
| HUP9904499A2 (hu) | 2000-05-28 |
| HUP9904499A3 (en) | 2000-12-28 |
| US20020123598A1 (en) | 2002-09-05 |
| DE69702926T2 (de) | 2001-02-22 |
| RU2189379C2 (ru) | 2002-09-20 |
| CN1235617A (zh) | 1999-11-17 |
| CN1134473C (zh) | 2004-01-14 |
| AU723069B2 (en) | 2000-08-17 |
| AU4866897A (en) | 1998-05-29 |
| AR010541A1 (es) | 2000-06-28 |
| TW399076B (en) | 2000-07-21 |
| DK0935624T3 (da) | 2000-12-18 |
| ID22277A (id) | 1999-09-30 |
| SI0935624T1 (en) | 2001-02-28 |
| US6403665B1 (en) | 2002-06-11 |
| DE69702926D1 (en) | 2000-09-28 |
| ES2149580T3 (es) | 2000-11-01 |
| CZ156699A3 (cs) | 1999-08-11 |
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