CA2192771A1 - Process for preparing a cycloolefin copolymer - Google Patents
Process for preparing a cycloolefin copolymerInfo
- Publication number
- CA2192771A1 CA2192771A1 CA002192771A CA2192771A CA2192771A1 CA 2192771 A1 CA2192771 A1 CA 2192771A1 CA 002192771 A CA002192771 A CA 002192771A CA 2192771 A CA2192771 A CA 2192771A CA 2192771 A1 CA2192771 A1 CA 2192771A1
- Authority
- CA
- Canada
- Prior art keywords
- preparing
- cycloolefin copolymer
- ligand
- polymerization
- bridge
- 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.)
- Granted
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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/14—Monomers containing five or more carbon atoms
-
- 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
- C08F232/00—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
-
- 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
- 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
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
-
- 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
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/642—Component covered by group C08F4/64 with an organo-aluminium compound
- C08F4/6428—Component covered by group C08F4/64 with an organo-aluminium compound with an aluminoxane, i.e. a compound containing an Al-O-Al- group
-
- 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
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 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
- C08F4/65927—Component covered by group C08F4/64 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 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
- Y10S526/943—Polymerization with metallocene catalysts
Abstract
The present invention relates to a process for preparing a cycloolefin copolymer by polymerization of at least one cyclic olefin and at least one acyclic olefin in the presence of a catalyst comprising at least one metallocene compound of the formula I,
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19546500.8 | 1995-12-13 | ||
DE19546500A DE19546500A1 (en) | 1995-12-13 | 1995-12-13 | Production of cyclo-olefin copolymers e.g. for pipes |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2192771A1 true CA2192771A1 (en) | 1997-06-14 |
CA2192771C CA2192771C (en) | 2007-03-27 |
Family
ID=7779982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002192771A Expired - Lifetime CA2192771C (en) | 1995-12-13 | 1996-12-12 | Process for preparing a cycloolefin copolymer |
Country Status (8)
Country | Link |
---|---|
US (2) | US5869586A (en) |
EP (1) | EP0779306B1 (en) |
JP (1) | JPH09176223A (en) |
KR (1) | KR100480532B1 (en) |
CN (1) | CN1089771C (en) |
CA (1) | CA2192771C (en) |
DE (2) | DE19546500A1 (en) |
TW (1) | TW356473B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6072014A (en) * | 1997-10-17 | 2000-06-06 | Sri International | Multimodal polymer compositions prepared using multinuclear metallocene catalysts |
US6544919B1 (en) | 1999-10-06 | 2003-04-08 | Sri International | Multinuclear transition metal catalysts for preparation of multimodal polymer compositions |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6169152B1 (en) * | 1996-07-05 | 2001-01-02 | Jsr Corporation | Olefin polymerization catalyst comprising transition metal compound containing a cyclic ligand having at least two nitrogen atoms in its main chain skeleton |
JP3566819B2 (en) * | 1996-10-04 | 2004-09-15 | 関東化学株式会社 | New organic transition metal compounds |
DE19652340A1 (en) * | 1996-12-17 | 1998-06-18 | Hoechst Ag | Process for the preparation of cycloolefin copolymers |
US6517781B1 (en) * | 1997-06-02 | 2003-02-11 | Aurora Biosciences Corporation | Low fluorescence assay platforms and related methods for drug discovery |
US5892079A (en) * | 1997-10-17 | 1999-04-06 | Sri International | Metallocene catalysts and associated methods of preparation and use |
US6096677A (en) * | 1997-10-17 | 2000-08-01 | Sri International | Supported metallocene catalysts |
JPH11281351A (en) * | 1998-01-28 | 1999-10-15 | Fuji Electric Co Ltd | Distance measuring apparatus |
EP0933383A1 (en) * | 1998-01-29 | 1999-08-04 | Union Carbide Chemicals & Plastics Technology Corporation | Catalyst composition for the polymerization of olefins |
US6861035B2 (en) * | 1998-02-24 | 2005-03-01 | Aurora Discovery, Inc. | Multi-well platforms, caddies, lids and combinations thereof |
EP0965614B1 (en) | 1998-06-16 | 2006-03-15 | Ticona GmbH | Impact resistant cycloolefin-copolymer blend |
US6228790B1 (en) * | 1998-06-29 | 2001-05-08 | Industrial Technology Research Institute | Dinuclear metallocene catalyst for preparing high molecular weight olefin polymer |
US6455458B1 (en) | 1998-07-10 | 2002-09-24 | Exxonmobil Chemical Patents Inc. | Tethered monocyclopentadienyl polymerization catalysts |
EP0985677A1 (en) * | 1998-09-07 | 2000-03-15 | Industrial Technology Research Institute | Dinuclear metallocene catalyst for olefin polymerization |
GB9826874D0 (en) * | 1998-12-07 | 1999-01-27 | Borealis As | Process |
US6339035B1 (en) * | 1999-02-22 | 2002-01-15 | Phillips Petroleum Company | Catalyst and process for polymerizing olefins |
DE19929809A1 (en) | 1999-06-30 | 2001-01-04 | Ticona Gmbh | Continuous process for the production of an amorphous polyolefin with a broad molar mass distribution and uniform glass temperature |
DE19932384A1 (en) * | 1999-07-14 | 2001-01-18 | Mitsubishi Polyester Film Gmbh | White, biaxially oriented polyester film with cycloolefin copolymer (COC), process for its production and its use |
KR100416470B1 (en) * | 1999-12-20 | 2004-01-31 | 삼성아토피나주식회사 | Ethylene-Aromatic Vinyl Compound-Vinyl Norbonene Terpolymer |
US6906147B2 (en) * | 2002-03-20 | 2005-06-14 | Cyclics Corporation | Catalytic systems |
US7151143B2 (en) * | 2000-01-21 | 2006-12-19 | Cyclics Corporation | Blends containing macrocyclic polyester oligomer and high molecular weight polymer |
US6960626B2 (en) * | 2000-01-21 | 2005-11-01 | Cyclics Corporation | Intimate physical mixtures containing macrocyclic polyester oligomer and filler |
US7256241B2 (en) * | 2000-01-21 | 2007-08-14 | Cyclics Corporation | Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters |
US20050282952A1 (en) * | 2000-01-21 | 2005-12-22 | Cyclics Corporation | Graphite-polyester composites made from macrocyclic polyester oligomers |
US6420047B2 (en) * | 2000-01-21 | 2002-07-16 | Cyclics Corporation | Macrocyclic polyester oligomers and processes for polymerizing the same |
DE10003934A1 (en) * | 2000-01-29 | 2001-08-09 | Daimler Chrysler Ag | Light guide, comprises at least one optical fiber made of cycloolefin copolymer with impeded crystallization |
US6497676B1 (en) | 2000-02-10 | 2002-12-24 | Baxter International | Method and apparatus for monitoring and controlling peritoneal dialysis therapy |
DE10009286A1 (en) * | 2000-02-28 | 2001-08-30 | Mitsubishi Polyester Film Gmbh | White, biaxially-oriented, fire-resistant, UV-stabilised polyester film, used e.g. for packaging light- or air-sensitive food, has at least one layer containing cyclo-olefin copolymer, UV stabiliser and fire retardant |
DE10011652A1 (en) * | 2000-03-10 | 2001-09-13 | Mitsubishi Polyester Film Gmbh | Biaxially oriented polyester film with high whiteness, process for its production and its use |
US6875719B2 (en) * | 2000-04-27 | 2005-04-05 | Industrial Technology Research Institute | Catalyst composition for preparing olefin polymers |
US20020147104A1 (en) * | 2000-04-27 | 2002-10-10 | Industrial Technology Research Institute | Catalyst composition for preparing olefin polymers |
DE10026177A1 (en) * | 2000-05-26 | 2001-11-29 | Mitsubishi Polyester Film Gmbh | White, high-gloss polyester film containing cycloolefin copolymer (COC), process for its production and its use |
DE10030235A1 (en) * | 2000-06-20 | 2002-01-03 | Mitsubishi Polyester Film Gmbh | White, sealable, thermoformable, biaxially oriented and coextruded polyester film with cycloolefin copolymer, process for its production and its use |
EP1179554A1 (en) * | 2000-08-08 | 2002-02-13 | Industrial Technology Research Institute | Catalyst composition for preparing olefin polymers |
US7750109B2 (en) | 2000-09-01 | 2010-07-06 | Cyclics Corporation | Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer |
EP1313789B1 (en) * | 2000-09-01 | 2006-07-19 | Cyclics Corporation | Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters |
US7767781B2 (en) * | 2000-09-01 | 2010-08-03 | Cyclics Corporation | Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom |
US6372848B1 (en) | 2000-10-10 | 2002-04-16 | Baxter International Inc. | Blend of ethylene and α-olefin copolymers obtained using a metallocene catalyst for fabricating medical films and tubings |
KR100417037B1 (en) * | 2000-12-22 | 2004-02-05 | 이동호 | Method for preparing cycloolefin copolymer having desirable material properties |
US6696524B2 (en) | 2001-02-20 | 2004-02-24 | E. I. Du Pont De Nemours And Company | Low Tg ethylene-based polymer, cycloolefin polymer blends |
US6670423B2 (en) | 2001-02-20 | 2003-12-30 | E. I. Du Pont De Nemours And Company | Polar ethylene-based polymer, cycloolefin polymer blends |
JP2002338617A (en) * | 2001-05-22 | 2002-11-27 | Sumitomo Chem Co Ltd | Catalyst component for vinyl compound polymerization, vinyl compound polymerization catalyst, production method for vinyl compound polymer, and using method for transition metal compound |
US7304123B2 (en) * | 2001-06-27 | 2007-12-04 | Cyclics Corporation | Processes for shaping macrocyclic oligoesters |
CN1547577A (en) * | 2001-06-27 | 2004-11-17 | Isolation, formulation, and shaping of macrocyclic oligoesters | |
US20030077466A1 (en) * | 2001-10-19 | 2003-04-24 | Smith Sidney T. | Multilayered polymer structure |
JP4704682B2 (en) * | 2001-12-21 | 2011-06-15 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Multilayer film |
US20030125662A1 (en) * | 2002-01-03 | 2003-07-03 | Tuan Bui | Method and apparatus for providing medical treatment therapy based on calculated demand |
US7238164B2 (en) * | 2002-07-19 | 2007-07-03 | Baxter International Inc. | Systems, methods and apparatuses for pumping cassette-based therapies |
US6831188B1 (en) | 2002-07-31 | 2004-12-14 | Albemarle Corporation | Dihydrocarbylamino metal compounds |
WO2004024739A1 (en) * | 2002-09-12 | 2004-03-25 | Dow Global Technologies Inc. | Preparation of metal amide complexes |
JP2005539060A (en) * | 2002-09-12 | 2005-12-22 | ダウ・グローバル・テクノロジーズ・インコーポレイテッド | Method for producing metal complex |
KR100576971B1 (en) * | 2002-09-13 | 2006-05-10 | 금호석유화학 주식회사 | A method for producing dinuclear transition metal complexes as olefin polymerization catalyst |
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US7037989B2 (en) * | 2003-05-27 | 2006-05-02 | Exxonmobil Chemical Patents Inc. | Copolymers of ethylene and/or α-olefins and vicinally disubstituted olefins |
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US20050070665A1 (en) * | 2003-09-26 | 2005-03-31 | Ludlow James M. | Transparent thermoplastic blend of a cycloolefin copolymer and a thermoplastic polyurethane |
EP1694771B1 (en) * | 2003-12-19 | 2010-03-10 | Cyclics Corporation | Processes for dispersing an impact modifier in a macrocyclic polyester oligomer |
US20050209563A1 (en) * | 2004-03-19 | 2005-09-22 | Peter Hopping | Cassette-based dialysis medical fluid therapy systems, apparatuses and methods |
JP4724178B2 (en) * | 2005-03-18 | 2011-07-13 | 三井化学株式会社 | Resin composition for solar cell container |
JP4830800B2 (en) * | 2006-11-09 | 2011-12-07 | Jsr株式会社 | Manufacturing method of thin optical lens molding |
US7731689B2 (en) | 2007-02-15 | 2010-06-08 | Baxter International Inc. | Dialysis system having inductive heating |
US8558964B2 (en) | 2007-02-15 | 2013-10-15 | Baxter International Inc. | Dialysis system having display with electromagnetic compliance (“EMC”) seal |
US8870812B2 (en) * | 2007-02-15 | 2014-10-28 | Baxter International Inc. | Dialysis system having video display with ambient light adjustment |
US7998115B2 (en) * | 2007-02-15 | 2011-08-16 | Baxter International Inc. | Dialysis system having optical flowrate detection |
US8361023B2 (en) * | 2007-02-15 | 2013-01-29 | Baxter International Inc. | Dialysis system with efficient battery back-up |
US8080681B2 (en) * | 2007-12-28 | 2011-12-20 | Chevron Phillips Chemical Company Lp | Nano-linked metallocene catalyst compositions and their polymer products |
US7863210B2 (en) | 2007-12-28 | 2011-01-04 | Chevron Phillips Chemical Company Lp | Nano-linked metallocene catalyst compositions and their polymer products |
US8012900B2 (en) * | 2007-12-28 | 2011-09-06 | Chevron Phillips Chemical Company, L.P. | Nano-linked metallocene catalyst compositions and their polymer products |
US8163948B2 (en) | 2008-02-29 | 2012-04-24 | Albemarle Corporation | Processes for producing transition metal amido and imido compounds |
US7919639B2 (en) | 2009-06-23 | 2011-04-05 | Chevron Phillips Chemical Company Lp | Nano-linked heteronuclear metallocene catalyst compositions and their polymer products |
WO2013116445A1 (en) | 2012-01-31 | 2013-08-08 | E. I. Du Pont De Nemours And Company | Multilayer film comprising cyclic olefin copolymer |
CN109071850B (en) | 2016-05-12 | 2021-04-27 | 沙特基础工业全球技术有限公司 | Capacitor film with high temperature resistance, manufacturing method thereof and product thereof |
US11179516B2 (en) | 2017-06-22 | 2021-11-23 | Baxter International Inc. | Systems and methods for incorporating patient pressure into medical fluid delivery |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5324800A (en) * | 1983-06-06 | 1994-06-28 | Exxon Chemical Patents Inc. | Process and catalyst for polyolefin density and molecular weight control |
ZA844157B (en) | 1983-06-06 | 1986-01-29 | Exxon Research Engineering Co | Process and catalyst for polyolefin density and molecular weight control |
IL85097A (en) | 1987-01-30 | 1992-02-16 | Exxon Chemical Patents Inc | Catalysts based on derivatives of a bis(cyclopentadienyl)group ivb metal compound,their preparation and their use in polymerization processes |
PL276385A1 (en) | 1987-01-30 | 1989-07-24 | Exxon Chemical Patents Inc | Method for polymerization of olefines,diolefins and acetylene unsaturated compounds |
US5003019A (en) * | 1987-03-02 | 1991-03-26 | Mitsui Petrochemical Industries, Ltd. | Cyclo-olefinic random copolymer, olefinic random copolymer, and process for producing cyclo-olefinic random copolymers |
DE3726067A1 (en) | 1987-08-06 | 1989-02-16 | Hoechst Ag | METHOD FOR PRODUCING 1-OLEFIN POLYMERS |
DE3922546A1 (en) | 1989-07-08 | 1991-01-17 | Hoechst Ag | METHOD FOR THE PRODUCTION OF CYCLOOLEFINPOLYMERS |
CA2027145C (en) | 1989-10-10 | 2002-12-10 | Michael J. Elder | Metallocene catalysts with lewis acids and aluminum alkyls |
DE69026679T3 (en) | 1989-10-30 | 2005-10-06 | Fina Technology, Inc., Houston | Addition of alkylaluminum to improve a metallocene catalyst |
US5371158A (en) * | 1990-07-05 | 1994-12-06 | Hoechst Aktiengesellschaft | Bulk polymerization using specific metallocene catalysts for the preparation of cycloolefin polymers |
ES2182929T3 (en) * | 1991-03-09 | 2003-03-16 | Basell Polyolefine Gmbh | METALOCENE AND CATALYST. |
TW312695B (en) | 1992-02-22 | 1997-08-11 | Hoechst Ag | |
TW286324B (en) | 1992-04-22 | 1996-09-21 | Hoechst Ag | |
IT1256603B (en) | 1992-10-30 | 1995-12-12 | Enichem Polimeri | CATALYST AND PROCEDURE FOR (CO) POLYMERIZING ALPHA-OLEFINS |
EP0610843B1 (en) * | 1993-02-12 | 1999-05-19 | Ticona GmbH | Process for preparing cyclo-olefin polymers |
DE4304291A1 (en) * | 1993-02-12 | 1994-08-18 | Hoechst Ag | Cycloolefin copolymers with low melt viscosity and low optical attenuation |
DE4304311C2 (en) * | 1993-02-12 | 1998-08-06 | Hoechst Ag | Cycloolefin copolymers for extrusion and injection molding articles and process for the preparation of a cycloolefin copolymer |
DE59402624D1 (en) * | 1993-02-12 | 1997-06-12 | Hoechst Ag | Process for the preparation of cycloolefin copolymers |
FI945959A (en) * | 1993-12-21 | 1995-06-22 | Hoechst Ag | Metallocenes and their use as catalysts |
US5597935A (en) * | 1994-06-01 | 1997-01-28 | University Of Iowa Research Foundation | Synthesis of ansa-metallocene catalysts |
DE4422157A1 (en) * | 1994-06-24 | 1996-01-04 | Hoechst Ag | Process for the preparation of cycloolefin copolymers |
-
1995
- 1995-12-13 DE DE19546500A patent/DE19546500A1/en not_active Withdrawn
-
1996
- 1996-12-10 DE DE59610845T patent/DE59610845D1/en not_active Expired - Lifetime
- 1996-12-10 EP EP96119751A patent/EP0779306B1/en not_active Expired - Lifetime
- 1996-12-11 TW TW085115303A patent/TW356473B/en not_active IP Right Cessation
- 1996-12-12 CA CA002192771A patent/CA2192771C/en not_active Expired - Lifetime
- 1996-12-12 CN CN96121528A patent/CN1089771C/en not_active Expired - Lifetime
- 1996-12-12 KR KR1019960064752A patent/KR100480532B1/en not_active IP Right Cessation
- 1996-12-13 JP JP8333458A patent/JPH09176223A/en active Pending
- 1996-12-13 US US08/766,622 patent/US5869586A/en not_active Expired - Lifetime
-
1998
- 1998-06-04 US US09/090,855 patent/US6020444A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6072014A (en) * | 1997-10-17 | 2000-06-06 | Sri International | Multimodal polymer compositions prepared using multinuclear metallocene catalysts |
US6544919B1 (en) | 1999-10-06 | 2003-04-08 | Sri International | Multinuclear transition metal catalysts for preparation of multimodal polymer compositions |
US6943226B2 (en) | 1999-10-06 | 2005-09-13 | Sri International | Multinuclear transition metal catalysts for preparation of multimodal polymer compositions |
Also Published As
Publication number | Publication date |
---|---|
KR100480532B1 (en) | 2005-07-07 |
TW356473B (en) | 1999-04-21 |
EP0779306B1 (en) | 2003-12-03 |
EP0779306A2 (en) | 1997-06-18 |
DE19546500A1 (en) | 1997-06-19 |
EP0779306A3 (en) | 1999-03-03 |
US5869586A (en) | 1999-02-09 |
KR970042568A (en) | 1997-07-24 |
CA2192771C (en) | 2007-03-27 |
JPH09176223A (en) | 1997-07-08 |
CN1089771C (en) | 2002-08-28 |
CN1151995A (en) | 1997-06-18 |
US6020444A (en) | 2000-02-01 |
DE59610845D1 (en) | 2004-01-15 |
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