HK1030787A1 - Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof. - Google Patents
Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof.Info
- Publication number
- HK1030787A1 HK1030787A1 HK01100485A HK01100485A HK1030787A1 HK 1030787 A1 HK1030787 A1 HK 1030787A1 HK 01100485 A HK01100485 A HK 01100485A HK 01100485 A HK01100485 A HK 01100485A HK 1030787 A1 HK1030787 A1 HK 1030787A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- catalyst
- preparation
- ring
- alkylene oxide
- opening polymerization
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2213—At least two complexing oxygen atoms present in an at least bidentate or bridging ligand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
- B01J27/26—Cyanides
-
- 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
- C08G18/4833—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
- C08G18/48—Polyethers
- C08G18/4866—Polyethers having a low unsaturation value
-
- 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
- C08G18/6552—Compounds of group C08G18/63
- C08G18/6558—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6564—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
- C08G65/26—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 from cyclic ethers and other compounds
- C08G65/2642—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 from cyclic ethers and other compounds characterised by the catalyst used
-
- 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
- C08G65/26—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 from cyclic ethers and other compounds
- C08G65/2642—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 from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2663—Metal cyanide catalysts, i.e. DMC's
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/10—Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
- B01J2231/14—Other (co) polymerisation, e.g. of lactides, epoxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/20—Complexes comprising metals of Group II (IIA or IIB) as the central metal
- B01J2531/26—Zinc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/845—Cobalt
-
- 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
- C08G2110/0041—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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
- Polyethers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19619298 | 1998-07-10 | ||
PCT/JP1999/003738 WO2000002951A1 (fr) | 1998-07-10 | 1999-07-09 | Catalyseur de polymerisation par decyclisation d'un oxyde d'alkylene, et son procede de fabrication et d'utilisation |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1030787A1 true HK1030787A1 (en) | 2001-05-18 |
Family
ID=16353734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK01100485A HK1030787A1 (en) | 1998-07-10 | 2001-01-19 | Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof. |
Country Status (9)
Country | Link |
---|---|
US (1) | US6313060B1 (de) |
EP (1) | EP1022300B1 (de) |
JP (1) | JP4207388B2 (de) |
CN (1) | CN1174022C (de) |
CA (1) | CA2301511C (de) |
DE (1) | DE69920648T2 (de) |
HK (1) | HK1030787A1 (de) |
ID (1) | ID23505A (de) |
WO (1) | WO2000002951A1 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6664208B1 (en) * | 1999-09-07 | 2003-12-16 | Sumitomo Chemical Company, Limited | Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer |
DE19918726C2 (de) * | 1999-04-24 | 2002-04-11 | Bayer Ag | Offenzellige Polyurethanhartschaumstoffe |
AU2001255735A1 (en) | 2000-04-28 | 2001-11-12 | Synuthane International, Inc. | Double metal cyanide catalysts containing polyglycol ether complexing agents |
JP2002088148A (ja) * | 2000-09-18 | 2002-03-27 | Asahi Glass Co Ltd | 加水分解性シリル基含有オキシアルキレン重合体および硬化性組成物の製造方法 |
CN1257928C (zh) * | 2001-07-18 | 2006-05-31 | 旭硝子株式会社 | 多元醇和聚合物分散多元醇的制造方法 |
JP4122874B2 (ja) * | 2001-07-18 | 2008-07-23 | 旭硝子株式会社 | ポリオールおよびポリマー分散ポリオールの製造方法 |
EP1283231A1 (de) * | 2001-08-06 | 2003-02-12 | Asahi Glass Company Ltd. | Polyurethanweichschaum, sein Verfahren zur Herstellung und Material-System zu seiner Herstellung |
EP1288244A1 (de) | 2001-08-31 | 2003-03-05 | Asahi Glass Company, Limited | Doppelmetallcyanidkatalysator für ringöffende Polymerisation von Alkylenoxiden und Verfahren zu seiner Herstellung |
DE10143195A1 (de) * | 2001-09-04 | 2003-03-20 | Basf Ag | Integriertes Verfahren zur Herstellung von Polyurethan-Schäumen |
EP1316571B1 (de) | 2001-11-29 | 2006-10-04 | Asahi Glass Co., Ltd. | Polyurethanweichschaum und Verfahren zur Herstellung |
DE60221219T2 (de) | 2001-11-30 | 2007-11-15 | Asahi Glass Co., Ltd. | Polyurethanweichschaum und Verfahren zu seiner Herstellung |
KR100930000B1 (ko) | 2001-12-21 | 2009-12-07 | 아사히 가라스 가부시키가이샤 | 저반발 연질 폴리우레탄 폼 및 그 제조방법 |
EP1469027B1 (de) * | 2002-01-22 | 2014-07-16 | Asahi Glass Company, Limited | Verfahren zur kontinuierlichen herstellung von polyether |
DE10240186A1 (de) † | 2002-08-28 | 2004-03-11 | Basf Ag | Verfahren zur Herstellung von emissionsarmen Polyurethan-Weichschaumstoffen |
US20040064001A1 (en) * | 2002-09-30 | 2004-04-01 | Stephan Ehlers | Processes for preparing ethylene oxide-capped polyols |
KR100990062B1 (ko) * | 2003-01-28 | 2010-10-29 | 아사히 가라스 가부시키가이샤 | 폴리에테르폴리올 조성물 및 그 용도 |
JP4263028B2 (ja) * | 2003-06-20 | 2009-05-13 | 東洋ゴム工業株式会社 | 硬質ポリウレタンフォーム用ポリオール組成物及び硬質ポリウレタンフォームの製造方法 |
TW200516093A (en) | 2003-09-19 | 2005-05-16 | Asahi Glass Co Ltd | Flexible polyurethane foam and process for producing the same |
US7005552B2 (en) * | 2003-11-03 | 2006-02-28 | Bayer Materialscience Llc | Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates |
US20050101681A1 (en) * | 2003-11-07 | 2005-05-12 | Kaushiva Bryan D. | Molded polyurethane foam with property enhancements for improved comfort and greater durability |
JP4754179B2 (ja) * | 2004-04-13 | 2011-08-24 | 株式会社イノアックコーポレーション | 防音材 |
EP1803757A4 (de) * | 2004-10-21 | 2009-05-06 | Asahi Glass Co Ltd | Polyurethanharz und verfahren zur herstellung einer polyurethanharzlösung |
US20060160977A1 (en) * | 2005-01-14 | 2006-07-20 | Jung-Shun Ou | Prescription for preparation of non-yellowing polyurethane foam |
US20060229375A1 (en) * | 2005-04-06 | 2006-10-12 | Yu-Ling Hsiao | Polyurethane foams made with alkoxylated vegetable oil hydroxylate |
JP4604807B2 (ja) * | 2005-04-14 | 2011-01-05 | 旭硝子株式会社 | スキン付きポリウレタンフォーム成形品およびその製造方法 |
KR20080015793A (ko) * | 2005-05-16 | 2008-02-20 | 아사히 가라스 가부시키가이샤 | 경화성 조성물 |
JP4556821B2 (ja) * | 2005-09-22 | 2010-10-06 | 旭硝子株式会社 | 加水分解性シリル基含有オキシアルキレン重合体および硬化性組成物の製造方法 |
DE602006019497D1 (de) * | 2006-02-15 | 2011-02-17 | Stepan Co | Verträglichmachende tenside für polyurethanpolyole und harze |
US20070238798A1 (en) * | 2006-04-05 | 2007-10-11 | Mcdaniel Kenneth G | Flexible polyurethane foams made from vegetable oil alkoxylated via DMC-catalysis |
US8692030B1 (en) * | 2006-04-20 | 2014-04-08 | Pittsburg State University | Biobased-petrochemical hybrid polyols |
JP5239864B2 (ja) * | 2006-09-27 | 2013-07-17 | 旭硝子株式会社 | 軟質ポリウレタンフォームの製造方法 |
CN101528800B (zh) * | 2006-10-25 | 2012-05-30 | 旭硝子株式会社 | 软质聚氨酯泡沫塑料的制造方法 |
MY154868A (en) * | 2006-12-29 | 2015-08-14 | Johnson Controls Tech Co | Polyurethane foam formulation, products and methods |
DE102007002555A1 (de) | 2007-01-17 | 2008-07-24 | Bayer Materialscience Ag | Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen |
EP2135888A4 (de) * | 2007-04-10 | 2014-10-01 | Asahi Glass Co Ltd | Verbundkatalysator aus metall-cyanid-komplex mit organischem ligand, herstellungsverfahren dafür und verfahren zur herstellung von polyetherpolyol |
JP5303885B2 (ja) | 2007-09-18 | 2013-10-02 | 旭硝子株式会社 | 軟質ポリウレタンフォームの製造方法および軟質ポリウレタンフォーム |
KR100941637B1 (ko) * | 2008-05-21 | 2010-02-11 | 에스케이씨 주식회사 | 반응성이 제어된, 폴리올 제조용 복금속 시안계 촉매 및이의 제조방법 |
JP5540781B2 (ja) * | 2010-03-09 | 2014-07-02 | 旭硝子株式会社 | 加水分解性シリル基含有オキシアルキレン重合体および硬化性組成物の製造方法 |
US9115246B2 (en) | 2010-04-30 | 2015-08-25 | Basf Se | Polyether polyols, process for preparing polyether polyols and their use for producing polyurethanes |
MX2012012596A (es) | 2010-04-30 | 2013-05-06 | Basf Se | Polioles de polieter, proceso para preparar polioles de polieter y su uso para producir poliuretanos. |
WO2012133812A1 (ja) * | 2011-03-30 | 2012-10-04 | 旭硝子株式会社 | ポリエーテルポリオールおよび軟質ポリウレタンフォームの製造方法、ならびにシート |
WO2012136658A1 (de) * | 2011-04-04 | 2012-10-11 | Henkel Ag & Co. Kgaa | Katalysator zur epoxidpolymerisation und zur copolymerisation von epoxid mit kohlendioxid |
SA112330512B1 (ar) | 2011-05-17 | 2016-11-17 | ريبسول، اس. ايه. | عملية لتحضير مُحفِّز من مُعقَّد سيانيدي مزدوج المعدن |
JP7392230B2 (ja) | 2019-11-29 | 2023-12-06 | Agc株式会社 | 2液型ポリウレタン組成物、反応射出成形体及び反応射出成形方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04284850A (ja) * | 1991-03-13 | 1992-10-09 | Asahi Glass Co Ltd | 複合金属シアン化物錯体触媒の製造方法 |
US5158922A (en) * | 1992-02-04 | 1992-10-27 | Arco Chemical Technology, L.P. | Process for preparing metal cyanide complex catalyst |
JPH06248068A (ja) * | 1993-02-26 | 1994-09-06 | Asahi Glass Co Ltd | ポリエーテル化合物および複合金属シアン化物錯体触媒の製造方法 |
US5712216A (en) * | 1995-05-15 | 1998-01-27 | Arco Chemical Technology, L.P. | Highly active double metal cyanide complex catalysts |
US5811829A (en) * | 1995-08-10 | 1998-09-22 | Arco Chemical Technology, L.P. | Viscosity stable isocyanate-terminated prepolymers and polyoxyalkylene polyether polyols having improved storage stability |
US5545601A (en) * | 1995-08-22 | 1996-08-13 | Arco Chemical Technology, L.P. | Polyether-containing double metal cyanide catalysts |
US5627120A (en) * | 1996-04-19 | 1997-05-06 | Arco Chemical Technology, L.P. | Highly active double metal cyanide catalysts |
JP3620152B2 (ja) * | 1996-06-27 | 2005-02-16 | 旭硝子株式会社 | ポリエーテル製造用複合金属シアン化物錯体触媒およびその製造方法 |
DE19906985A1 (de) * | 1999-02-19 | 2000-08-31 | Bayer Ag | Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen |
-
1999
- 1999-07-09 JP JP2000559178A patent/JP4207388B2/ja not_active Expired - Fee Related
- 1999-07-09 US US09/486,717 patent/US6313060B1/en not_active Expired - Lifetime
- 1999-07-09 CA CA002301511A patent/CA2301511C/en not_active Expired - Fee Related
- 1999-07-09 EP EP99929783A patent/EP1022300B1/de not_active Expired - Lifetime
- 1999-07-09 ID IDW20000446A patent/ID23505A/id unknown
- 1999-07-09 DE DE69920648T patent/DE69920648T2/de not_active Expired - Lifetime
- 1999-07-09 CN CNB99801110XA patent/CN1174022C/zh not_active Expired - Fee Related
- 1999-07-09 WO PCT/JP1999/003738 patent/WO2000002951A1/ja active IP Right Grant
-
2001
- 2001-01-19 HK HK01100485A patent/HK1030787A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69920648D1 (de) | 2004-11-04 |
EP1022300A4 (de) | 2002-09-18 |
JP4207388B2 (ja) | 2009-01-14 |
EP1022300B1 (de) | 2004-09-29 |
DE69920648T2 (de) | 2006-03-02 |
CN1174022C (zh) | 2004-11-03 |
WO2000002951A1 (fr) | 2000-01-20 |
ID23505A (id) | 2000-04-27 |
US6313060B1 (en) | 2001-11-06 |
CN1273591A (zh) | 2000-11-15 |
EP1022300A1 (de) | 2000-07-26 |
CA2301511A1 (en) | 2000-01-20 |
CA2301511C (en) | 2003-12-09 |
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