ES2166765T3 - Polimerizacion de eteres ciclicos usando catalizadores de compuestos metalicos seleccionados. - Google Patents
Polimerizacion de eteres ciclicos usando catalizadores de compuestos metalicos seleccionados.Info
- Publication number
- ES2166765T3 ES2166765T3 ES93924316T ES93924316T ES2166765T3 ES 2166765 T3 ES2166765 T3 ES 2166765T3 ES 93924316 T ES93924316 T ES 93924316T ES 93924316 T ES93924316 T ES 93924316T ES 2166765 T3 ES2166765 T3 ES 2166765T3
- Authority
- ES
- Spain
- Prior art keywords
- polymerization
- eteres
- catalysts
- cycle
- metal compounds
- 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
- 150000002736 metal compounds Chemical class 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 title 1
- 238000000034 method Methods 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000002905 metal composite material Substances 0.000 abstract 1
- 150000004901 trioxanes Chemical class 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
- 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
-
- 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
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D307/08—Preparation of tetrahydrofuran
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F17/00—Metallocenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/003—Compounds containing elements of Groups 4 or 14 of the Periodic Table without C-Metal linkages
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
- C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
- C08G63/56—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds other than from esters thereof
- C08G63/58—Cyclic ethers; Cyclic carbonates; Cyclic sulfites ; Cyclic orthoesters
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/685—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen
- C08G63/6854—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6856—Dicarboxylic acids and dihydroxy 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
- 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
- C08G65/16—Cyclic ethers having four or more ring atoms
-
- 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
- C08G65/16—Cyclic ethers having four or more ring atoms
- C08G65/20—Tetrahydrofuran
-
- 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
-
- 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
-
- 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
- C08G65/266—Metallic elements not covered by group C08G65/2648 - C08G65/2645, or compounds thereof
-
- 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
-
- 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
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/323—Polymers modified by chemical after-treatment with inorganic compounds containing halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Polyethers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Furan Compounds (AREA)
- Epoxy Compounds (AREA)
- Catalysts (AREA)
Abstract
SE PRESENTA UN PROCESO PARA LA POLIMERIZACION DE OXIRANOS, OXETANOS, OXEPANOS, DIOXOLANOS, TRIOXANOS, Y TETRAHIDROFURANOS EN SUS RESPECTIVOS POLIMEROS MEDIANTE SU PUESTA EN CONTACTO CON UN COMPUESTO DE METAL, SELECCIONADO; TAMBIEN SE PRESENTA UN PROCESO PARA DESPOLIMERIZAR POLITETRAHIDROFURANOS EN TETRAHIDROFURANOS MONOMERICOS MEDIANTE LA PUESTA EN CONTACTO DEL POLIMERO CON UN COMPUESTO DE METAL SELECCIONADO A UNA TEMPERATURA DE ENTRE 100
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96431392A | 1992-10-21 | 1992-10-21 | |
| US2136893A | 1993-02-23 | 1993-02-23 | |
| US9324393A | 1993-07-16 | 1993-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2166765T3 true ES2166765T3 (es) | 2002-05-01 |
Family
ID=27361626
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES00201220T Expired - Lifetime ES2220334T3 (es) | 1992-10-21 | 1993-10-20 | Despolimerizacion para obtener eteres ciclicos mediante catalisis por compuestos metalicos seleccionados. |
| ES93924316T Expired - Lifetime ES2166765T3 (es) | 1992-10-21 | 1993-10-20 | Polimerizacion de eteres ciclicos usando catalizadores de compuestos metalicos seleccionados. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES00201220T Expired - Lifetime ES2220334T3 (es) | 1992-10-21 | 1993-10-20 | Despolimerizacion para obtener eteres ciclicos mediante catalisis por compuestos metalicos seleccionados. |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP0665859B1 (es) |
| JP (1) | JP3310292B2 (es) |
| KR (1) | KR100283272B1 (es) |
| DE (2) | DE69333518T2 (es) |
| ES (2) | ES2220334T3 (es) |
| WO (1) | WO1994009055A2 (es) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09500161A (ja) * | 1993-07-16 | 1997-01-07 | イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー | 不均一系触媒を使用する環状エーテルの重合、及び解重合 |
| DE69528190T2 (de) * | 1994-10-28 | 2003-07-31 | Du Pont | Polymerisation von cyclischen ethern und unter anwendung der katalysatoren aus gewählten metallverbindungen |
| US6072021A (en) * | 1997-10-24 | 2000-06-06 | E. I. Du Pont De Nemours And Company | Copolymerization of formaldehyde and cyclic ethers using initiators based upon tetraphenyl borates |
| DE19757709A1 (de) * | 1997-12-23 | 1999-07-01 | Basf Ag | Verfahren zur Herstellung oxalkylierter Amine |
| ATE340154T1 (de) | 1999-12-17 | 2006-10-15 | Du Pont | Kontinuierliches verfahren zur herstellung von polytrimethylenetherglykol |
| WO2001044348A1 (en) | 1999-12-17 | 2001-06-21 | E.I. Du Pont De Nemours And Company | Production of polytrimethylene ether glycol and copolymers thereof |
| US6562457B1 (en) | 2001-10-31 | 2003-05-13 | E. I. Du Pont De Nemours And Company | Polyether ester elastomer comprising polytrimethylene ether ester soft segment and tetramethylene ester hard segment |
| US6599625B2 (en) | 2001-10-31 | 2003-07-29 | E. I. Du Pont De Nemours And Company | Polyether ester elastomer comprising polytrimethylene ether ester soft segment and trimethylene ester hard segment |
| DE10215973A1 (de) | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren II |
| DE10215978A1 (de) | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren |
| US6852823B2 (en) | 2002-08-09 | 2005-02-08 | E. I. Du Pont De Nemours And Company | Polyurethane and polyurethane-urea elastomers from polytrimethylene ether glycol |
| AU2003268646A1 (en) * | 2002-10-09 | 2004-05-04 | Mitsubishi Chemical Corporation | Polyurethane resin and elastic polyurethane fiber |
| EP2509970B1 (en) * | 2009-12-11 | 2014-01-22 | Invista Technologies S.à.r.l. | Depolymerization of oligomeric cyclic ethers |
| WO2013092680A1 (en) | 2011-12-22 | 2013-06-27 | Akzo Nobel Chemicals International B.V. | Catalyst used for the production of addition products of epoxides and compounds having active hydrogen atoms |
| EP3222648B1 (en) * | 2014-11-20 | 2020-01-01 | Mitsubishi Chemical Corporation | Polytetramethylene ether glycol, method for producing it, polyester elastomer and polyurethane |
| CN114605621B (zh) * | 2022-03-25 | 2024-01-30 | 中国科学院长春应用化学研究所 | 一种氢键给体-硼有机催化剂及其制备方法和应用 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153786A (en) | 1977-03-30 | 1979-05-08 | E. I. Du Pont De Nemours And Company | Method for preparing ester end-capped copolyether glycols |
| US4115408A (en) * | 1977-08-05 | 1978-09-19 | E.I. Dupont De Nemours And Company | Conversion of poly(tetramethylene ether) glycol in aqueous effluent stream to tetrahydrofuran |
| JPS61120832A (ja) * | 1984-11-16 | 1986-06-07 | Asahi Chem Ind Co Ltd | ポリアルキレンエ−テルの解重合方法 |
| JPH0794547B2 (ja) * | 1986-04-10 | 1995-10-11 | 三菱化学株式会社 | ポリテトラメチレンエーテルグリコールの改質法 |
| US4721559A (en) * | 1986-10-17 | 1988-01-26 | Olah George A | Boron, aluminum and gallium perfluoro alkanesulfonate and resinsulfonate catalysts |
| JPH07231438A (ja) * | 1994-02-16 | 1995-08-29 | Miharu Tsushin Kk | Catv用増幅器 |
-
1993
- 1993-10-20 KR KR1019950701508A patent/KR100283272B1/ko not_active Expired - Fee Related
- 1993-10-20 EP EP93924316A patent/EP0665859B1/en not_active Expired - Lifetime
- 1993-10-20 JP JP51025294A patent/JP3310292B2/ja not_active Expired - Fee Related
- 1993-10-20 EP EP00201220A patent/EP1029881B1/en not_active Expired - Lifetime
- 1993-10-20 ES ES00201220T patent/ES2220334T3/es not_active Expired - Lifetime
- 1993-10-20 DE DE69333518T patent/DE69333518T2/de not_active Expired - Lifetime
- 1993-10-20 WO PCT/US1993/009808 patent/WO1994009055A2/en not_active Ceased
- 1993-10-20 DE DE69331442T patent/DE69331442T2/de not_active Expired - Lifetime
- 1993-10-20 ES ES93924316T patent/ES2166765T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69331442D1 (de) | 2002-02-14 |
| EP0665859B1 (en) | 2002-01-09 |
| EP1029881A2 (en) | 2000-08-23 |
| DE69333518T2 (de) | 2005-04-07 |
| WO1994009055A3 (en) | 1994-07-21 |
| DE69333518D1 (de) | 2004-06-17 |
| KR950704398A (ko) | 1995-11-20 |
| HK1027584A1 (en) | 2001-01-19 |
| KR100283272B1 (ko) | 2001-03-02 |
| EP1029881A3 (en) | 2001-07-04 |
| WO1994009055A2 (en) | 1994-04-28 |
| JP3310292B2 (ja) | 2002-08-05 |
| DE69331442T2 (de) | 2002-10-24 |
| EP0665859A1 (en) | 1995-08-09 |
| JPH08502531A (ja) | 1996-03-19 |
| ES2220334T3 (es) | 2004-12-16 |
| EP1029881B1 (en) | 2004-05-12 |
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