CO5160377A1 - Polimerizacion de oxido de etileno utilizando catalizadores de cianuro de metal - Google Patents
Polimerizacion de oxido de etileno utilizando catalizadores de cianuro de metalInfo
- Publication number
- CO5160377A1 CO5160377A1 CO00051076A CO00051076A CO5160377A1 CO 5160377 A1 CO5160377 A1 CO 5160377A1 CO 00051076 A CO00051076 A CO 00051076A CO 00051076 A CO00051076 A CO 00051076A CO 5160377 A1 CO5160377 A1 CO 5160377A1
- Authority
- CO
- Colombia
- Prior art keywords
- ethylene oxide
- metal cyanide
- polymerization
- cyanide catalysts
- polyether
- Prior art date
Links
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
- 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
- C08G65/04—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 only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/08—Saturated oxiranes
- C08G65/10—Saturated oxiranes characterised by the catalysts used
- C08G65/12—Saturated oxiranes characterised by the catalysts used containing organo-metallic compounds or metal hydrides
-
- 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
- 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
- C08G65/2603—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 the other compounds containing oxygen
- C08G65/2615—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 the other compounds containing oxygen the other compounds containing carboxylic acid, ester or anhydride 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
- 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
-
- 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
- C08G65/2693—Supported catalysts
-
- 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
- C08G65/2696—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 process or apparatus used
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0221—Coating of particles
- B01J37/0223—Coating of particles by rotation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyethers (AREA)
Abstract
Un proceso para preparar un poliéter, que comprende(a) combinar un compuesto iniciador que tiene uno o más grupos oxialquilatables, óxido de etileno y un complejo de catalizador de cianuro de metal para formar una mezcla, y(b) someter la mezcla a condiciones suficientes para etoxilar los grupos oxialquilatables del iniciador para formar un poliéter.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14307899P | 1999-07-09 | 1999-07-09 | |
US14307599P | 1999-07-09 | 1999-07-09 | |
US14308299P | 1999-07-09 | 1999-07-09 | |
US14307999P | 1999-07-09 | 1999-07-09 | |
US14308199P | 1999-07-09 | 1999-07-09 | |
US20577100P | 2000-05-19 | 2000-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CO5160377A1 true CO5160377A1 (es) | 2002-05-30 |
Family
ID=27558275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CO00051076A CO5160377A1 (es) | 1999-07-09 | 2000-07-07 | Polimerizacion de oxido de etileno utilizando catalizadores de cianuro de metal |
Country Status (15)
Country | Link |
---|---|
US (1) | US6429342B1 (es) |
EP (1) | EP1200506B1 (es) |
JP (1) | JP2003504468A (es) |
KR (1) | KR20020019949A (es) |
CN (1) | CN1205250C (es) |
AR (1) | AR025544A1 (es) |
AT (1) | ATE323119T1 (es) |
AU (1) | AU5923400A (es) |
BR (1) | BR0013193A (es) |
CA (1) | CA2378466A1 (es) |
CO (1) | CO5160377A1 (es) |
DE (1) | DE60027302T2 (es) |
ES (1) | ES2257302T3 (es) |
MX (1) | MXPA02000310A (es) |
WO (1) | WO2001004183A1 (es) |
Families Citing this family (56)
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JP2003525328A (ja) * | 2000-02-29 | 2003-08-26 | ビーエーエスエフ アクチェンゲゼルシャフト | 多金属シアニド化合物の製造方法 |
US6429166B1 (en) * | 2000-05-19 | 2002-08-06 | Dow Global Technologies Inc. | Method for preparing metal cyanide catalyst/polyol initiator slurries |
BR0308674A (pt) * | 2002-03-19 | 2005-02-01 | Dow Global Technologies Inc | Métodos para preparar catalisador de cianeto metálico usando sais metálicos insolúveis |
BR0308456A (pt) * | 2002-03-21 | 2005-01-11 | Dow Global Technologies Inc | Método para preparar complexos catalisadores de cianeto metálico usando agentes complexantes parcialmente miscìveis, uso de tais catalisadores e produto obtido |
CA2483310C (en) | 2002-04-26 | 2011-09-13 | Basf Aktiengesellschaft | C10-alkanol alkoxylates and their use |
ES2342464T3 (es) | 2002-04-26 | 2010-07-07 | Basf Se | Mezclas de alcoxilatos de alcanol c sb 10 /sb y su aplicacion. |
US6835801B2 (en) * | 2002-07-19 | 2004-12-28 | Bayer Antwerp, N.V. | Activated starter mixtures and the processes related thereto |
DE10242399A1 (de) * | 2002-09-12 | 2004-03-18 | Basf Ag | Verfahren zur Herstellung von Polyetherolen |
DE10243365A1 (de) | 2002-09-18 | 2004-04-01 | Basf Ag | Alkoxylate mit niedrigem Restalkohol-Gehalt |
DE10243366A1 (de) | 2002-09-18 | 2004-04-01 | Basf Ag | Herstellung von Alkoxylaten bei optimierten Reaktionsdrücken |
DE10243362A1 (de) * | 2002-09-18 | 2004-04-01 | Basf Ag | Herstellung von Alkanolalkoxylaten bei optimierten Reaktionstemperaturen |
AU2003301912A1 (en) * | 2002-11-07 | 2004-06-03 | Dow Global Technologies, Inc. | Method for preparing metal cyanide catalysts using polymerizable complexing agents |
SI1565563T1 (sl) * | 2002-11-22 | 2013-01-31 | Basf Se | Encimatska sinteza poliol akrilatov |
CN1744918A (zh) | 2002-12-31 | 2006-03-08 | 尼克塔治疗亚拉巴马公司 | 含有酮或相关官能团的聚合物试剂 |
US6806348B2 (en) * | 2003-02-11 | 2004-10-19 | Basf Corporation | Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol |
US6713599B1 (en) * | 2003-03-31 | 2004-03-30 | Basf Corporation | Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts |
US6884826B2 (en) | 2003-06-09 | 2005-04-26 | Bayer Antwerp, N.V. | Process for preparing double metal cyanide catalyzed polyols |
US20050014979A1 (en) * | 2003-07-08 | 2005-01-20 | Eleveld Michiel Barend | Preparation of an alkoxylate composition using a double metal cyanide catalyst |
DE10348420A1 (de) | 2003-10-14 | 2005-05-25 | Basf Ag | C10-Alkanolalkoxylat-Gemische und ihre Verwendung - Neue schaumarme Netzer |
US20050101477A1 (en) * | 2003-11-07 | 2005-05-12 | George Combs | Unsaturated tertiary alcohols as ligands for active dmc catalysts |
WO2005116102A1 (ja) * | 2004-05-31 | 2005-12-08 | Asahi Glass Company, Limited | ポリウレタンエラストマーおよびその製造方法 |
US20060058182A1 (en) * | 2004-09-13 | 2006-03-16 | Combs George G | Processes for the preparation of double metal cyanide (DMC) catalysts |
WO2006047432A1 (en) * | 2004-10-25 | 2006-05-04 | Dow Global Technologies, Inc. | Polyurethane carpet backings made using hydroxymethylated polyester polyols |
US7928161B2 (en) * | 2004-10-25 | 2011-04-19 | Dow Global Technologies Llc | Aqueous polyurethane dispersions made from hydroxymethyl containing polyester polyols derived from fatty acids |
RU2412954C2 (ru) * | 2004-10-25 | 2011-02-27 | Дау Глобал Текнолоджиз Инк. | Полимерные полиолы и полимерные дисперсии, полученные из гидроксилсодержащих материалов на основе растительных масел |
RU2417235C2 (ru) * | 2004-10-25 | 2011-04-27 | Дау Глобал Текнолоджиз Инк. | Пенополиуретаны, полученные из гидроксиметилсодержащих алкиловых эфиров жирных кислот |
MY147769A (en) * | 2004-10-25 | 2013-01-31 | Dow Global Technologies Inc | Prepolymers made from hydroxymethyl-containing polyester polyols derived from fatty acids |
DE102005012794A1 (de) | 2005-03-19 | 2006-09-21 | Bayer Materialscience Ag | Poly(etherester)polyole und Verfahren zu ihrer Herstellung |
US7495063B2 (en) * | 2006-02-03 | 2009-02-24 | Dow Global Technologies Inc. | Reduced oligomer concentration in high purity polyalkylene glycols |
JP2007284586A (ja) * | 2006-04-18 | 2007-11-01 | Asahi Glass Co Ltd | ポリエーテルモノオールの製造方法 |
US20080132729A1 (en) * | 2006-12-01 | 2008-06-05 | Mcdaniel Kenneth G | Continuous process for the production of ethoxylates |
CN101578130A (zh) * | 2007-01-11 | 2009-11-11 | 陶氏环球技术公司 | 烷氧基化物混合物表面活性剂 |
US7834082B2 (en) * | 2007-01-17 | 2010-11-16 | Bayer Materialscience Llc | Polyether-polysiloxane polyols |
US7473677B2 (en) * | 2007-04-16 | 2009-01-06 | Bayer Materialscience Llc | High productivity process for alkylphenol ethoxylates |
US20080255378A1 (en) * | 2007-04-16 | 2008-10-16 | Bayer Materialscience Llc | High productivity process for non-phenolic ethoxylates |
BRPI0909922A2 (pt) * | 2008-06-18 | 2019-03-06 | Dow Global Technologies Inc | método para remover triglicerídeos reticulados a partir de uma espuma e uso de um surfactante não-iônico |
CN102257111B (zh) | 2008-12-25 | 2014-06-11 | 陶氏环球技术有限责任公司 | 具有宽pH稳定性的表面活性剂组合物 |
WO2011034878A2 (en) * | 2009-09-15 | 2011-03-24 | Union Carbide Chemicals & Plastics Technology Llc | Silicone replacements for personal care compositions |
SG170691A1 (en) | 2009-10-14 | 2011-05-30 | Rohm & Haas Elect Mat | Method of cleaning and micro-etching semiconductor wafers |
US20110151671A1 (en) * | 2009-12-17 | 2011-06-23 | Rohm And Haas Electronic Materials Llc | method of texturing semiconductor substrates |
EP2236493A1 (en) | 2010-01-27 | 2010-10-06 | Shell Internationale Research Maatschappij B.V. | Preparation of alkoxysulfates |
US20110319669A1 (en) | 2010-06-29 | 2011-12-29 | Wanglin Yu | Branched secondary alcohol alkoxylate surfactants and process to make them |
WO2012000189A1 (en) | 2010-06-30 | 2012-01-05 | Dow Global Technologies Llc | Branched secondary alcohol alkoxylate surfactants for textile processing |
JP2014506238A (ja) * | 2010-11-23 | 2014-03-13 | ダウ グローバル テクノロジーズ エルエルシー | 分岐鎖第二級アルコールアルコキシレート界面活性剤及びその製造方法 |
RU2013143147A (ru) * | 2011-02-24 | 2015-04-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Способ и реакторная система для производства полиэфирполиолов |
JP6208655B2 (ja) * | 2011-04-04 | 2017-10-04 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンHenkel AG & Co. KGaA | エポキシドを重合するためおよびエポキシドと二酸化炭素を共重合するための触媒 |
WO2013095865A2 (en) * | 2011-11-22 | 2013-06-27 | Seeo, Inc | Synthesis of high molecular weight peo using non-metal initiators |
EP2861065B1 (en) | 2012-06-18 | 2017-03-15 | Basf Se | Agroformulations containing a lactone based alkoxylate |
FR3073517A1 (fr) | 2017-11-10 | 2019-05-17 | Arkema France | Sulfates d'alcools secondaires alcoxyles |
FR3073521A1 (fr) | 2017-11-10 | 2019-05-17 | Arkema France | Ester de phosphate d'alcool secondaire |
FR3073519A1 (fr) * | 2017-11-10 | 2019-05-17 | Arkema France | Alcool secondaire alcoxyle |
EP3927791A1 (en) | 2019-02-19 | 2021-12-29 | Dow Global Technologies LLC | Enhanced crude oil recovery from subterranean crude oil-bearing sandstone reservoirs |
FR3102177B1 (fr) | 2019-10-18 | 2023-05-19 | Arkema France | Alcools alcoxylés et coiffés |
AU2021206535A1 (en) | 2020-01-09 | 2022-09-01 | Basf Se | Method for flotation of a phosphate-containing ore |
FR3111901B1 (fr) | 2020-06-30 | 2023-02-17 | Arkema France | PROCÉdÉ D’ALCOXYLATION AMÉLIORÉ |
WO2023114343A1 (en) | 2021-12-16 | 2023-06-22 | Dow Global Technologies Llc | Novel nonionic surfactants and processes to make them |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3278458A (en) * | 1963-02-14 | 1966-10-11 | Gen Tire & Rubber Co | Method of making a polyether using a double metal cyanide complex compound |
GB1063525A (en) | 1963-02-14 | 1967-03-30 | Gen Tire & Rubber Co | Organic cyclic oxide polymers, their preparation and tires prepared therefrom |
US3689532A (en) | 1969-10-14 | 1972-09-05 | Rohm & Haas | Process for polyoxyalkylation |
JPS5230489B2 (es) | 1974-06-08 | 1977-08-09 | ||
DE3142041C2 (de) * | 1981-10-23 | 1983-09-15 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zur Herstellung von Polyoxyalkylenethern |
JPH0710801B2 (ja) | 1987-05-14 | 1995-02-08 | 三洋化成工業株式会社 | (メタ)アクリル酸エステルの製造法 |
US4877906A (en) | 1988-11-25 | 1989-10-31 | Arco Chemical Technology, Inc. | Purification of polyols prepared using double metal cyanide complex catalysts |
US4985491A (en) * | 1989-10-05 | 1991-01-15 | Olin Corporation | Polyurethane sealants made using high molecular weight polyols prepared with double metal cyanide catalysts |
JP2999789B2 (ja) | 1990-02-23 | 2000-01-17 | 旭硝子株式会社 | ポリエーテル類の製造方法 |
US5144093A (en) * | 1991-04-29 | 1992-09-01 | Olin Corporation | Process for purifying and end-capping polyols made using double metal cyanide catalysts |
JPH08208426A (ja) | 1995-02-03 | 1996-08-13 | Nippon Oil & Fats Co Ltd | 化粧品基材 |
US5563221A (en) | 1995-06-21 | 1996-10-08 | Arco Chemical Technology, L.P. | Process for making ethylene oxide-capped polyols from double metal cyanide-catalyzed polyols |
US5679764A (en) | 1995-11-06 | 1997-10-21 | Arco Chemical Technology, L.P. | Process of oxyalkylation employing solid, heterogeneous MgO catalyst |
US5856369A (en) | 1996-07-30 | 1999-01-05 | Osi Specialties, Inc. | Polyethers and polysiloxane copolymers manufactured with double metal cyanide catalysts |
JP3244632B2 (ja) | 1996-09-03 | 2002-01-07 | 矢崎総業株式会社 | 多段コネクタ |
US5714428A (en) * | 1996-10-16 | 1998-02-03 | Arco Chemical Technology, L.P. | Double metal cyanide catalysts containing functionalized polymers |
CA2294359C (en) * | 1997-08-25 | 2009-11-24 | Arco Chemical Technology, L.P. | Preparation of functionalised polyethers |
-
2000
- 2000-07-07 MX MXPA02000310A patent/MXPA02000310A/es unknown
- 2000-07-07 BR BR0013193-8A patent/BR0013193A/pt not_active Application Discontinuation
- 2000-07-07 KR KR1020027000245A patent/KR20020019949A/ko not_active Application Discontinuation
- 2000-07-07 DE DE60027302T patent/DE60027302T2/de not_active Revoked
- 2000-07-07 WO PCT/US2000/018664 patent/WO2001004183A1/en active IP Right Grant
- 2000-07-07 CN CNB00809991XA patent/CN1205250C/zh not_active Expired - Fee Related
- 2000-07-07 JP JP2001509395A patent/JP2003504468A/ja active Pending
- 2000-07-07 AT AT00945262T patent/ATE323119T1/de not_active IP Right Cessation
- 2000-07-07 US US09/611,499 patent/US6429342B1/en not_active Expired - Fee Related
- 2000-07-07 AR ARP000103500A patent/AR025544A1/es unknown
- 2000-07-07 EP EP00945262A patent/EP1200506B1/en not_active Revoked
- 2000-07-07 AU AU59234/00A patent/AU5923400A/en not_active Abandoned
- 2000-07-07 ES ES00945262T patent/ES2257302T3/es not_active Expired - Lifetime
- 2000-07-07 CO CO00051076A patent/CO5160377A1/es unknown
- 2000-07-07 CA CA002378466A patent/CA2378466A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1200506A1 (en) | 2002-05-02 |
DE60027302T2 (de) | 2007-01-18 |
KR20020019949A (ko) | 2002-03-13 |
BR0013193A (pt) | 2002-07-02 |
ES2257302T3 (es) | 2006-08-01 |
JP2003504468A (ja) | 2003-02-04 |
ATE323119T1 (de) | 2006-04-15 |
CN1205250C (zh) | 2005-06-08 |
AR025544A1 (es) | 2002-12-04 |
AU5923400A (en) | 2001-01-30 |
MXPA02000310A (es) | 2002-06-21 |
US6429342B1 (en) | 2002-08-06 |
DE60027302D1 (de) | 2006-05-24 |
WO2001004183A1 (en) | 2001-01-18 |
EP1200506B1 (en) | 2006-04-12 |
CN1360607A (zh) | 2002-07-24 |
CA2378466A1 (en) | 2001-01-18 |
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