WO1996020225A3 - Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands - Google Patents
Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands Download PDFInfo
- Publication number
- WO1996020225A3 WO1996020225A3 PCT/EP1995/005016 EP9505016W WO9620225A3 WO 1996020225 A3 WO1996020225 A3 WO 1996020225A3 EP 9505016 W EP9505016 W EP 9505016W WO 9620225 A3 WO9620225 A3 WO 9620225A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- preparation
- fraction
- mmmm
- reactor blend
- comprised
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C13/00—Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings
- C07C13/28—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
- C07C13/32—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings
- C07C13/45—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with a bicyclo ring system containing nine carbon atoms
- C07C13/465—Indenes; Completely or partially hydrogenated indenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/04—One of the condensed rings being a six-membered aromatic ring
- C07C2602/08—One of the condensed rings being a six-membered aromatic ring the other ring being five-membered, e.g. indane
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/61912—Component covered by group C08F4/60 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/6192—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/61922—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
- C08F4/61925—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/904—Monomer polymerized in presence of transition metal containing catalyst at least part of which is supported on a polymer, e.g. prepolymerized catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/943—Polymerization with metallocene catalysts
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69518830T DE69518830T2 (en) | 1994-12-20 | 1995-12-18 | POLYPROPYLENE REACTION MIXTURE AND METHOD FOR THE PRODUCTION THEREOF |
JP52018396A JP3824325B2 (en) | 1994-12-20 | 1995-12-18 | Reactant blend polypropylene, process for its production and process for the production of metallocene ligands |
EP95942694A EP0745099B1 (en) | 1994-12-20 | 1995-12-18 | Reactor blend polypropylene and process for the preparation thereof |
FI964283A FI121469B (en) | 1994-04-28 | 1996-10-24 | Xylanases isolated from the Microtetraspora species and methods for their use |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI942566A IT1271299B (en) | 1994-12-20 | 1994-12-20 | Metallocene compounds, their ligands, process for their preparation and their use as catalysts for the polymerization of olefins |
ITMI94A002567 | 1994-12-20 | ||
ITMI94A002566 | 1994-12-20 | ||
ITMI942567A IT1271300B (en) | 1994-12-20 | 1994-12-20 | Propylene polymer and process for its preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1996020225A2 WO1996020225A2 (en) | 1996-07-04 |
WO1996020225A3 true WO1996020225A3 (en) | 1996-09-06 |
Family
ID=26331221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/005016 WO1996020225A2 (en) | 1994-04-28 | 1995-12-18 | Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands |
Country Status (8)
Country | Link |
---|---|
US (2) | US5747621A (en) |
EP (1) | EP0745099B1 (en) |
JP (1) | JP3824325B2 (en) |
CN (1) | CN1147822A (en) |
CA (1) | CA2183419A1 (en) |
DE (1) | DE69518830T2 (en) |
ES (1) | ES2151084T3 (en) |
WO (1) | WO1996020225A2 (en) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6143842A (en) * | 1993-08-05 | 2000-11-07 | Huntsman Polymers Corporation | Elastomeric polyolefins production and recovery |
US5594080A (en) * | 1994-03-24 | 1997-01-14 | Leland Stanford, Jr. University | Thermoplastic elastomeric olefin polymers, method of production and catalysts therefor |
DE19544828A1 (en) * | 1995-12-01 | 1997-06-05 | Hoechst Ag | High molecular copolymers |
US5705579A (en) * | 1996-07-17 | 1998-01-06 | Phillips Petroleum Company | Olefin polymerization |
DE69818186T2 (en) | 1997-04-15 | 2004-05-06 | Basell Polyolefine Gmbh | METHOD FOR PRODUCING 2-ARYL-SUBSTITUTED INDENES |
IT1292138B1 (en) * | 1997-06-12 | 1999-01-25 | Montell Technology Company Bv | EXTENSIBLE MULTILAYER FILM |
EP0991675A4 (en) * | 1997-06-14 | 2002-07-03 | Univ Leland Stanford Junior | Ethylene enhancement of processes for synthesis of high melting thermoplastic elastomeric alpha-olefin polymers (pre/epe effects) |
WO2002083754A1 (en) | 2001-04-12 | 2002-10-24 | Exxonmobil Chemical Patents Inc. | Propylene ethylene polymers and production process |
US7026404B2 (en) * | 1997-08-12 | 2006-04-11 | Exxonmobil Chemical Patents Inc. | Articles made from blends made from propylene ethylene polymers |
US6635715B1 (en) | 1997-08-12 | 2003-10-21 | Sudhin Datta | Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers |
US6921794B2 (en) | 1997-08-12 | 2005-07-26 | Exxonmobil Chemical Patents Inc. | Blends made from propylene ethylene polymers |
US6479685B2 (en) * | 1998-01-09 | 2002-11-12 | The Board Of Trustees Of The Leland Standard Junior University | Metallocene catalysts for synthesis of high-melting polyolefin copolymer elastomers |
US6518378B2 (en) * | 1998-01-09 | 2003-02-11 | The Board Of Trustees Of The Leland Stanford Junior University | High-melting polyolefin copolymer elastomers, catalysts and methods of synthesis |
AU2111599A (en) * | 1998-01-09 | 1999-07-26 | Board Of Trustees Of The Leland Stanford Junior University | High-melting polyolefin copolymer elastomers, catalysts and methods of synthesis |
EP0931814A1 (en) * | 1998-01-21 | 1999-07-28 | Fina Research S.A. | Polyolefins and uses thereof |
DE19816154A1 (en) * | 1998-04-09 | 1999-10-21 | Bernhard Rieger | Linear isotactic polymers, processes for their production and their use and a catalyst combination |
WO1999067303A1 (en) | 1998-06-25 | 1999-12-29 | Idemitsu Petrochemical Co., Ltd. | Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same |
EP1098934A1 (en) | 1998-07-01 | 2001-05-16 | Exxon Chemical Patents Inc. | Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
US6479424B1 (en) * | 1998-12-14 | 2002-11-12 | Bp Corporation North America Inc. | Fluxional catalysts and related ligands containing bulky substituents |
US6485664B1 (en) | 1999-01-20 | 2002-11-26 | Bp Corporation North America Inc. | Extrusion crystallization of an olefin polymer |
DE19908938A1 (en) * | 1999-03-02 | 2000-09-07 | Targor Gmbh | Transition metal compound, catalyst system, process for its preparation and its use for the polymerization of olefins |
ATE335014T1 (en) * | 1999-04-15 | 2006-08-15 | Basell Poliolefine Srl | COMPONENTS AND CATALYSTS FOR OLEFIN POLYMERIZATION |
JP4438138B2 (en) | 1999-09-17 | 2010-03-24 | 住友化学株式会社 | Thermoplastic resin composition |
US6727003B1 (en) | 1999-10-08 | 2004-04-27 | The Procter & Gamble Company | Coating material comprising linear isotactic polymers |
US6746780B1 (en) | 1999-10-08 | 2004-06-08 | The Procter & Gamble Company | Bodies of polymeric material comprising linear, isotactic polymers |
MXPA02003512A (en) * | 1999-10-08 | 2002-08-20 | Procter & Gamble | Coating material comprising linear, isotactic polymers. |
AU7746800A (en) * | 1999-10-08 | 2001-04-23 | Procter & Gamble Company, The | Bodies of polymeric material comprising linear, isotactic polymers |
US6863989B1 (en) | 1999-10-08 | 2005-03-08 | The Procter & Gamble Company | Adhesives comprising linear isotactic polymers |
US6861143B2 (en) * | 1999-11-17 | 2005-03-01 | Pirelli Cavi E Sistemi S.P.A. | Cable with recyclable covering |
DE19962130A1 (en) * | 1999-12-21 | 2001-07-05 | Basell Polypropylen Gmbh | Semi-crystalline propylene polymer compositions with good suitability for the production of biaxially oriented films |
JP5121108B2 (en) * | 1999-12-21 | 2013-01-16 | バーゼル、ポリオレフィン、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング | Semi-crystalline propylene polymer composition for the production of biaxially oriented polypropylene film |
US6770713B2 (en) | 2000-03-23 | 2004-08-03 | The Procter & Gamble Company | Compatbilizer and modifier for polymeric compositions comprising polyolefins |
EP1136525A1 (en) * | 2000-03-23 | 2001-09-26 | The Procter & Gamble Company | A compatibilizer and modifier for polymeric compositions comprising polyolefins |
US6878790B2 (en) * | 2000-11-30 | 2005-04-12 | The Procter & Gamble Company | High molecular weight polyolefin and catalyst and process for polymerizing said polyolefin |
WO2002055566A2 (en) * | 2000-11-30 | 2002-07-18 | The Procter & Gamble Company | High molecular weight polyolefin and catalyst and process for polymerising said polyolefin |
US6541583B2 (en) | 2001-05-17 | 2003-04-01 | Equistar Chemicals, Lp | Polypropylene preparation |
US6960635B2 (en) * | 2001-11-06 | 2005-11-01 | Dow Global Technologies Inc. | Isotactic propylene copolymers, their preparation and use |
US7700707B2 (en) * | 2002-10-15 | 2010-04-20 | Exxonmobil Chemical Patents Inc. | Polyolefin adhesive compositions and articles made therefrom |
US7550528B2 (en) * | 2002-10-15 | 2009-06-23 | Exxonmobil Chemical Patents Inc. | Functionalized olefin polymers |
CN101724110B (en) | 2002-10-15 | 2013-03-27 | 埃克森美孚化学专利公司 | Multiple catalyst system for olefin polymerization and polymers produced therefrom |
US20040081842A1 (en) * | 2002-10-29 | 2004-04-29 | Peet Robert G. | Film with metallocene-catalyzed propylene copolymer heat-seal layer |
ATE506930T1 (en) * | 2003-01-08 | 2011-05-15 | Exxonmobil Chem Patents Inc | ELASTIC ARTICLES AND PRODUCTION PROCESSES THEREOF |
WO2007005883A2 (en) * | 2005-07-01 | 2007-01-11 | Custom Rx Tda, Llc | Dosing dispenser for cream-based medicines |
US7807593B2 (en) * | 2005-10-26 | 2010-10-05 | Dow Global Technologies Inc. | Multi-layer, pre-stretched elastic articles |
DE112007002489T5 (en) | 2006-10-20 | 2009-09-10 | Idemitsu Kosan Co. Ltd. | High purity terminal-unsaturated olefin polymer and process for the preparation thereof |
US20090053959A1 (en) * | 2007-08-21 | 2009-02-26 | Sudhin Datta | Soft and Elastic Nonwoven Polypropylene Compositions |
WO2009088033A1 (en) * | 2008-01-11 | 2009-07-16 | Mitsui Chemicals, Inc. | Modified propylene resin |
RU2689990C2 (en) * | 2014-05-30 | 2019-05-30 | Бриджстоун Корпорейшн | Metal complex catalyst and polymerisation methods using same |
CN110283280B (en) * | 2014-05-31 | 2022-11-04 | 株式会社普利司通 | Metal complex catalyst, polymerization process using the same, and polymer product thereof |
KR101566328B1 (en) * | 2014-06-03 | 2015-11-05 | 주식회사 엘지화학 | Metallocene compound and method for preparing the same |
WO2017105614A1 (en) | 2015-12-16 | 2017-06-22 | Exxonmobil Chemical Patents Inc. | Low crystalline polymer compositions |
WO2017172102A1 (en) | 2016-03-31 | 2017-10-05 | Exxonmobil Chemical Patents Inc. | Low crystalline polymer compositions prepared in a dual reactor |
JP6890398B2 (en) * | 2016-10-24 | 2021-06-18 | 三井化学株式会社 | Method for producing transition metal compound, catalyst for olefin polymerization and olefin polymer |
DK3473674T3 (en) | 2017-10-19 | 2022-06-20 | Abu Dhabi Polymers Co Ltd Borouge Llc | POLYPROPYLENE COMPOSITION |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2001080A (en) * | 1977-07-12 | 1979-01-24 | Du Pont | Elastomeric polypropylene and process for its production |
EP0114391A1 (en) * | 1982-12-28 | 1984-08-01 | Sumitomo Chemical Company, Limited | Flexible propylene polymer |
EP0475307A1 (en) * | 1990-09-07 | 1992-03-18 | Rexene Products Company | Amorphous elastomeric propylene homopolymers |
EP0530647A1 (en) * | 1991-08-26 | 1993-03-10 | Hoechst Aktiengesellschaft | Metallocenes, catalysts containing these and process for the manufacture of olefinic polymers by using these catalysts |
WO1995025757A1 (en) * | 1994-03-24 | 1995-09-28 | The Board Of Trustees Of The Leland Stanford Junior University | Thermoplastic elastomeric stereoblock olefin polymers methods and metallocene catalysts |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4125421A (en) * | 1977-07-18 | 1978-11-14 | Monarch Marking Systems, Inc. | Hand-held labeler |
US4335225A (en) * | 1978-06-20 | 1982-06-15 | E. I. Du Pont De Nemours And Company | Elastomeric polypropylene |
US5270276A (en) * | 1989-04-25 | 1993-12-14 | Shell Oil Company | Process for the production of elastomeric, primarily syndiotactic polypropylene and catalysts for use in said process |
US5270410A (en) * | 1989-04-25 | 1993-12-14 | Shell Oil Company | Process for the production of elastomeric, primarily syndiotactic polypropylene and catalysts for use in said process |
US4971936A (en) * | 1989-07-10 | 1990-11-20 | Shell Oil Company | Catalyst component for making primarily isotactic elastomeric polypropylene or polybutene |
US5089573A (en) * | 1990-02-26 | 1992-02-18 | Shell Oil Company | Process for the production of elastomeric, primarily isotactic polyolefins and catalysts for use in said process |
US5118767A (en) * | 1990-02-26 | 1992-06-02 | Shell Oil Company | Process for producing mildly elastomeric primarily isotatic polypropylene and poly-1-butene |
US5118649A (en) * | 1990-02-26 | 1992-06-02 | Shell Oil Company | Process for the production of elastomeric primarily isotactic polyolefins and catalysts for use in said process |
US5118768A (en) * | 1990-05-11 | 1992-06-02 | Shell Oil Company | Process for the production of elastomeric, primarily isotactic polyolefins and catalysts for use in said process |
EP0882731A3 (en) * | 1992-08-15 | 2000-05-31 | TARGOR GmbH | Bridged metallocene compounds and their use as olefin polymerization catalysts |
-
1995
- 1995-12-18 DE DE69518830T patent/DE69518830T2/en not_active Expired - Fee Related
- 1995-12-18 EP EP95942694A patent/EP0745099B1/en not_active Expired - Lifetime
- 1995-12-18 JP JP52018396A patent/JP3824325B2/en not_active Expired - Lifetime
- 1995-12-18 CA CA002183419A patent/CA2183419A1/en not_active Abandoned
- 1995-12-18 WO PCT/EP1995/005016 patent/WO1996020225A2/en active IP Right Grant
- 1995-12-18 CN CN95192621A patent/CN1147822A/en active Pending
- 1995-12-18 ES ES95942694T patent/ES2151084T3/en not_active Expired - Lifetime
- 1995-12-19 US US08/574,495 patent/US5747621A/en not_active Expired - Lifetime
-
1998
- 1998-01-29 US US09/015,128 patent/US6107431A/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2001080A (en) * | 1977-07-12 | 1979-01-24 | Du Pont | Elastomeric polypropylene and process for its production |
EP0114391A1 (en) * | 1982-12-28 | 1984-08-01 | Sumitomo Chemical Company, Limited | Flexible propylene polymer |
EP0475307A1 (en) * | 1990-09-07 | 1992-03-18 | Rexene Products Company | Amorphous elastomeric propylene homopolymers |
EP0530647A1 (en) * | 1991-08-26 | 1993-03-10 | Hoechst Aktiengesellschaft | Metallocenes, catalysts containing these and process for the manufacture of olefinic polymers by using these catalysts |
WO1995025757A1 (en) * | 1994-03-24 | 1995-09-28 | The Board Of Trustees Of The Leland Stanford Junior University | Thermoplastic elastomeric stereoblock olefin polymers methods and metallocene catalysts |
Non-Patent Citations (1)
Title |
---|
JOHN A. EWEN: "Mechanisms of Stereochemical Control in Propylene Polymerization with Soluble 4B Metallocene/Methylalumoxane Catalysts", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 106, no. 21, 17 October 1984 (1984-10-17), WASHINGTON, pages 6355 - 6364 * |
Also Published As
Publication number | Publication date |
---|---|
DE69518830D1 (en) | 2000-10-19 |
JP3824325B2 (en) | 2006-09-20 |
CA2183419A1 (en) | 1996-07-04 |
ES2151084T3 (en) | 2000-12-16 |
WO1996020225A2 (en) | 1996-07-04 |
US6107431A (en) | 2000-08-22 |
DE69518830T2 (en) | 2001-03-22 |
JPH09509982A (en) | 1997-10-07 |
US5747621A (en) | 1998-05-05 |
EP0745099B1 (en) | 2000-09-13 |
EP0745099A1 (en) | 1996-12-04 |
CN1147822A (en) | 1997-04-16 |
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