GR3026690T3 - Process for the preparation of bridged, chiral metallocene catalysts of the bisindenyl type - Google Patents

Process for the preparation of bridged, chiral metallocene catalysts of the bisindenyl type

Info

Publication number
GR3026690T3
GR3026690T3 GR980400888T GR980400888T GR3026690T3 GR 3026690 T3 GR3026690 T3 GR 3026690T3 GR 980400888 T GR980400888 T GR 980400888T GR 980400888 T GR980400888 T GR 980400888T GR 3026690 T3 GR3026690 T3 GR 3026690T3
Authority
GR
Greece
Prior art keywords
preparation
bridged
metallocene catalysts
formula
chiral metallocene
Prior art date
Application number
GR980400888T
Other languages
Greek (el)
English (en)
Inventor
Juergen Rohrmann Dr
Frank Kueber Dr
Original Assignee
Hoechst Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8209704&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GR3026690(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of GR3026690T3 publication Critical patent/GR3026690T3/el

Links

Classifications

    • 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
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/0803—Compounds with Si-C or Si-Si linkages
    • C07F7/0825—Preparations of compounds not comprising Si-Si or Si-cyano linkages
    • C07F7/0827—Syntheses with formation of a Si-C bond
    • 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
    • C07F7/22—Tin compounds
    • C07F7/2208—Compounds having tin linked only to carbon, hydrogen and/or halogen
    • 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
    • C07F7/30—Germanium compounds
    • 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
    • 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
    • C08F4/639—Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/6392—Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/63922—Component covered by group C08F4/62 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
    • C08F4/63927—Component covered by group C08F4/62 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GR980400888T 1992-06-13 1998-04-21 Process for the preparation of bridged, chiral metallocene catalysts of the bisindenyl type GR3026690T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92109988A EP0574597B2 (en) 1992-06-13 1992-06-13 Process for the preparation of bridged, chiral metallocene catalysts of the bisindenyl type

Publications (1)

Publication Number Publication Date
GR3026690T3 true GR3026690T3 (en) 1998-07-31

Family

ID=8209704

Family Applications (1)

Application Number Title Priority Date Filing Date
GR980400888T GR3026690T3 (en) 1992-06-13 1998-04-21 Process for the preparation of bridged, chiral metallocene catalysts of the bisindenyl type

Country Status (13)

Country Link
US (2) US5391790A (en:Method)
EP (1) EP0574597B2 (en:Method)
JP (1) JP3419501B2 (en:Method)
KR (1) KR100293042B1 (en:Method)
AT (1) ATE162529T1 (en:Method)
AU (1) AU664896B2 (en:Method)
CA (1) CA2098258A1 (en:Method)
DE (1) DE69224184T2 (en:Method)
DK (1) DK0574597T3 (en:Method)
ES (1) ES2113900T3 (en:Method)
GR (1) GR3026690T3 (en:Method)
TW (1) TW223645B (en:Method)
ZA (1) ZA934148B (en:Method)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5700896A (en) * 1988-07-30 1997-12-23 Hoechst Aktiengesellschaft Polymer having long isotactic sequences and randomly-distributed ethylene content obtained by polymerizing propylene in presence of specific catalysts
EP0882731A3 (de) * 1992-08-15 2000-05-31 TARGOR GmbH Verbrückte Metallocenverbindungen und ihre Verwendung als Olefinpolymerisationskatalysatore
JPH06271594A (ja) * 1993-03-22 1994-09-27 Mitsui Petrochem Ind Ltd シクロペンタジエニル基含有ケイ素化合物またはシクロペンタジエニル基含有ゲルマニウム化合物の製造方法
DE59409642D1 (de) * 1993-11-24 2001-03-01 Targor Gmbh Metallocene, Verfahren zu ihrer Herstellung und ihrer Verwendung als Katalysatoren
DE4344689A1 (de) * 1993-12-27 1995-06-29 Hoechst Ag Metallocenverbindung
DE69631649T2 (de) * 1995-03-30 2004-07-29 Idemitsu Kosan Co. Ltd. Übergangsmetallverbindung, polymerisationskatalysator für olefine und verfahren zur herstellung olefinischer polymere
US5705578A (en) * 1995-05-04 1998-01-06 Phillips Petroleum Company Method for making and using a supported metallocene catalyst system
US5631203A (en) * 1995-05-04 1997-05-20 Phillips Petroleum Company Metallocene compounds and preparation thereof containing terminal alkynes
DE19517851A1 (de) * 1995-05-16 1996-11-21 Hoechst Ag Organometallverbindung
US5679814A (en) * 1995-12-11 1997-10-21 Albemarle Corporation Purification of metallocenes
DE59609748D1 (de) * 1995-12-18 2002-11-07 Basell Polyolefine Gmbh Verfahren zur Abreicherung von Nebenprodukten in Produktgemischen
ID16442A (id) 1996-01-22 1997-10-02 Dow Chemical Co Polimer etilena berat molekul ultra rendah
AT403919B (de) 1996-02-02 1998-06-25 Danubia Petrochem Polymere Verfahren zur herstellung von katalysatorträgern und geträgerter polyolefin-katalysatoren sowie deren verwendung für die herstellung von polyolefinen
EP0816371A1 (de) * 1996-06-28 1998-01-07 PCD-Polymere Gesellschaft m.b.H. Verfahren zur stereoselektiven Herstellung von chiralen Metallocenen
JP3694371B2 (ja) * 1996-10-04 2005-09-14 関東化学株式会社 メタロセン化合物の新規な合成方法
JP3566819B2 (ja) * 1996-10-04 2004-09-15 関東化学株式会社 新規な有機遷移金属化合物
DK0835886T3 (da) * 1996-10-09 2004-05-17 Atofina Res Fremgangsmåde til fremstilling og anvendelse af meso/racemiske (bis(indenyl)ethan)zirconiumdichloridforbindelser
US5780660A (en) * 1996-11-07 1998-07-14 Albemarle Corporation Zirconocene ismerization process
EP0883623B1 (en) * 1996-11-22 2003-03-05 Boulder Scientific Company Preparation of chiral titanocenes
BR9714409A (pt) 1996-12-17 2000-04-18 Advanced Elastomer Sistems L P Composiçãos termoplásticas de olefina
ID19264A (id) * 1996-12-20 1998-06-28 Union Carbide Chem Plastic Pro-katalisator dan pengolahan untuk membuatnya
US6107501A (en) * 1997-01-30 2000-08-22 Fina Technology, Inc. Synthesis of metallocenes and enrichment of their rac isomer
EP0958313B1 (en) 1997-02-07 2002-09-25 ExxonMobil Chemical Patents Inc. Thermoplastic elastomer compositions from branched olefin copolymers
CN1246127A (zh) 1997-02-07 2000-03-01 埃克森化学专利公司 含乙烯基的大分子单体的制备
US6117962A (en) * 1997-12-10 2000-09-12 Exxon Chemical Patents Inc. Vinyl-containing stereospecific polypropylene macromers
US6184327B1 (en) 1997-12-10 2001-02-06 Exxon Chemical Patents, Inc. Elastomeric propylene polymers
US6197910B1 (en) 1997-12-10 2001-03-06 Exxon Chemical Patents, Inc. Propylene polymers incorporating macromers
EP0953582A1 (en) 1998-04-27 1999-11-03 Fina Research S.A. Polyolefin production
ES2220058T3 (es) 1998-05-13 2004-12-01 Exxonmobil Chemical Patents Inc. Homopolimeros de propileno y metodos de fabricarlos.
US6306960B1 (en) 1998-05-13 2001-10-23 Exxonmobil Chemical Patents Inc. Articles formed from foamable polypropylene polymer
US6784269B2 (en) 1998-05-13 2004-08-31 Exxonmobil Chemical Patents Inc. Polypropylene compositions methods of making the same
US6245868B1 (en) 1998-05-29 2001-06-12 Univation Technologies Catalyst delivery method, a catalyst feeder and their use in a polymerization process
EP1115761B1 (en) 1998-08-26 2013-09-18 ExxonMobil Chemical Patents Inc. Branched polypropylene compositions
US5965759A (en) * 1998-09-23 1999-10-12 Albemarle Corporation Catalytic process for isomerizing metallocenes
DE60036158T2 (de) * 1999-01-21 2008-05-21 Boulder Scientific Co., Mead Synthese und isomerisierung von 1,2-bis(indenyl)-ethanen
US6174930B1 (en) 1999-04-16 2001-01-16 Exxon Chemical Patents, Inc. Foamable polypropylene polymer
JP4564612B2 (ja) * 1999-10-18 2010-10-20 日本ポリプロ株式会社 ラセミ体メタロセン化合物の製造方法
US6153777A (en) * 1999-11-02 2000-11-28 University Of Iowa Research Foundation Synthesis of ansa-metallocene catalysts
US6809168B2 (en) * 1999-12-10 2004-10-26 Exxonmobil Chemical Patents Inc. Articles formed from propylene diene copolymers
US6977287B2 (en) * 1999-12-10 2005-12-20 Exxonmobil Chemical Patents Inc. Propylene diene copolymers
CA2393414A1 (en) * 1999-12-10 2001-06-14 Main Chang Propylene diene copolymerized polymers
WO2001062690A1 (en) 2000-02-23 2001-08-30 Akzo Nobel N.V. Process for preparing bisindenylalkanes
US7122498B2 (en) * 2000-06-30 2006-10-17 Exxonmobil Chemical Patents Inc. Metallocenes and catalyst compositions derived therefrom
ATE519789T1 (de) * 2001-06-12 2011-08-15 Basell Polyolefine Gmbh Verfahren zur polymerisation von buten-1
CA2447769C (en) * 2001-06-13 2011-07-26 Energy & Environmental International, L.C. Bulk polymerization reactors and methods for polymerization
EP1444739B1 (en) * 2001-11-16 2009-11-04 CDT Oxford Limited Light emitting device and compounds for use therein
US6916892B2 (en) * 2001-12-03 2005-07-12 Fina Technology, Inc. Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
JP4576126B2 (ja) * 2002-04-12 2010-11-04 ダウ グローバル テクノロジーズ インコーポレイティド アザボロリル４族金属錯体、触媒及びオレフィン重合方法
US20030236365A1 (en) * 2002-06-24 2003-12-25 Fina Technology, Inc. Polyolefin production with a high performance support for a metallocene catalyst system
US20040052690A1 (en) * 2002-09-12 2004-03-18 Eaton Gerald B. Polymerization reactant injection system
US7589160B2 (en) * 2002-12-04 2009-09-15 Basell Polyolefine Gmbh Process for preparing 1-butene polymers
US7534848B2 (en) * 2002-12-04 2009-05-19 Basell Polyolefine Gmbh 1-butene copolymers and process for preparing them
US7195806B2 (en) * 2003-01-17 2007-03-27 Fina Technology, Inc. High gloss polyethylene articles
WO2004094487A1 (en) 2003-03-21 2004-11-04 Dow Global Technologies, Inc. Morphology controlled olefin polymerization process
US20050234198A1 (en) * 2004-04-20 2005-10-20 Fina Technology, Inc. Heterophasic copolymer and metallocene catalyst system and method of producing the heterophasic copolymer using the metallocene catalyst system
US20060052540A1 (en) 2004-09-09 2006-03-09 Maria Ellul Thermoplastic vulcanizates
US7169864B2 (en) * 2004-12-01 2007-01-30 Novolen Technology Holdings, C.V. Metallocene catalysts, their synthesis and their use for the polymerization of olefins
US8920891B2 (en) 2004-12-17 2014-12-30 Dow Global Technologies Llc Rheology modified relatively high melt strength polyethylene compositions and methods of making pipes, films, sheets, and blow-molded articles
US7232869B2 (en) * 2005-05-17 2007-06-19 Novolen Technology Holdings, C.V. Catalyst composition for olefin polymerization
DE102005061326A1 (de) * 2005-12-20 2007-06-21 Basell Polyolefine Gmbh Verfahren zur Herstellung von Metallocenen aus recycelten, substituierten Cyclopentadienylderivaten
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
DE102006020486A1 (de) 2006-04-28 2007-10-31 Basell Polyolefine Gmbh Geträgerte Metallalkylverbindung und Verfahren zur Polymerisation von Olefinen in deren Gegenwart
EP2016127B1 (en) 2006-05-02 2010-03-17 Dow Global Technologies Inc. High-density polyethylene compositions, method of making the same, articles made therefrom, and method of making such articles
US7456244B2 (en) * 2006-05-23 2008-11-25 Dow Global Technologies High-density polyethylene compositions and method of making the same
CN101490163A (zh) 2007-05-02 2009-07-22 陶氏环球技术公司 高密度聚乙烯组合物、其制备方法、由其制得的注塑制品以及该制品的制备方法
US8487033B2 (en) 2007-05-16 2013-07-16 Exxonmobil Chemical Patents Inc. Thermoplastic elastomer compositions, methods for making the same, and articles made therefrom
US8962762B2 (en) * 2007-06-13 2015-02-24 Exxonmobil Chemical Patents Inc. Thermoplastic polymer compositions, methods for making the same, and articles made therefrom
US7981517B2 (en) * 2007-08-28 2011-07-19 Dow Global Technologies Inc. Bituminous compositions and methods of making and using same
BRPI0722163A2 (pt) * 2007-10-25 2014-03-18 Lummus Novolen Technology Gmbh Síntese racemoseletiva de compostos de ansa-metaloceno, compostos de ansa-metaloceno, catalisadores compreendendo os mesmos, processo para produzir um polímero de olefina pelo uso dos catalisadores, e homo- e copolímeros de olefina
ES2408589T3 (es) 2008-12-18 2013-06-21 Univation Technologies, Llc Método para tratamiento de un lecho de siembra para una reacción de polimerización
MX2011008053A (es) 2009-01-30 2012-01-12 Dow Global Technologies Llc Composiciones de polietileno de alta densidad, metodo para producir las mismas, dispositivos de cierre elaborados de las mismas, y metodo para elaborar dichos dispositivos de cierre.
WO2011159400A1 (en) 2010-06-15 2011-12-22 Exxonmobil Chemical Patents Inc. Nonwoven fabrics made from polymer blends and methods for making same
EP2573091A1 (en) 2011-09-23 2013-03-27 Lummus Novolen Technology Gmbh Process for recycling of free ligand from their corresponding metallocene complexes
BR112015015373B1 (pt) 2012-12-28 2020-12-15 Univation Technologies, Llc Método para integração da produção de aluminoxano na produçâo de um catalisador
US9938361B2 (en) 2013-01-14 2018-04-10 Univation Technologies, Llc Methods for preparing catalyst systems with increased productivity
WO2015030996A1 (en) * 2013-08-28 2015-03-05 Exxonmobil Chemical Patents Inc. Racemo selective metallation process
US9376518B2 (en) 2013-08-28 2016-06-28 Exxonmobil Chemical Patents Inc. Racemo selective metallation process
US10351639B2 (en) 2014-12-12 2019-07-16 Exxonmobil Research And Engineering Company Organosilica materials for use as adsorbents for oxygenate removal
WO2016094843A2 (en) 2014-12-12 2016-06-16 Exxonmobil Chemical Patents Inc. Olefin polymerization catalyst system comprising mesoporous organosilica support
US10640583B2 (en) 2015-04-20 2020-05-05 Exxonmobil Chemical Patents, Inc. Catalyst composition comprising fluorided support and processes for use thereof
WO2016172099A1 (en) 2015-04-20 2016-10-27 Exxonmobil Chemical Patents Inc. Polyethylene composition
BR112017023386B1 (pt) 2015-05-08 2022-04-05 Exxonmobil Chemical Patents Inc Processo de polimerização em fase gasosa em modo condensado
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063767A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018118155A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Polymerization process
WO2019118073A1 (en) 2017-12-13 2019-06-20 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization process
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
US11459408B2 (en) 2018-05-02 2022-10-04 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
US11447587B2 (en) 2018-05-02 2022-09-20 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
WO2020014138A1 (en) 2018-07-09 2020-01-16 Exxonmobil Chemical Patents Inc. Polyethylene cast films and methods for making the same
CN112469556B (zh) 2018-07-26 2023-05-02 埃克森美孚化学专利公司 多层泡沫膜及其制造方法
WO2020056119A1 (en) 2018-09-14 2020-03-19 Fina Technology, Inc. Polyethylene and controlled rheology polypropylene polymer blends and methods of use
WO2020102380A1 (en) 2018-11-13 2020-05-22 Exxonmobil Chemical Patents Inc. Polyethylene blends and films
EP3880739B1 (en) 2018-11-13 2025-03-19 ExxonMobil Chemical Patents Inc. Polyethylene films
WO2020163079A1 (en) 2019-02-06 2020-08-13 Exxonmobil Chemical Patents Inc. Films and backsheets for hygiene articles
KR20210127954A (ko) 2019-02-20 2021-10-25 피나 테크놀러지, 인코포레이티드 휨이 적은 중합체 조성물
KR20220094212A (ko) 2019-10-30 2022-07-05 차이나 페트로리움 앤드 케미컬 코포레이션 메탈로센 화합물, 및 이의 제조 방법 및 적용
US20230018505A1 (en) 2019-12-17 2023-01-19 Exxonmobil Chemical Patents Inc. Films Made of Polyethylene Blends for Improved Sealing Performance and Mechanical Properties
US12152135B2 (en) 2020-03-12 2024-11-26 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved bending stiffness and high MD tear resistance
WO2022232123A1 (en) 2021-04-26 2022-11-03 Fina Technology, Inc. Thin single-site catalyzed polymer sheets
EP4330294A1 (en) 2021-04-30 2024-03-06 ExxonMobil Chemical Patents Inc. Processes for transitioning between different polymerization catalysts in a polymerization reactor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742934A1 (de) * 1987-12-18 1989-06-29 Hoechst Ag Verfahren zur herstellung einer chiralen, stereorigiden metallocen-verbindung
US5017714A (en) * 1988-03-21 1991-05-21 Exxon Chemical Patents Inc. Silicon-bridged transition metal compounds
IL89525A0 (en) * 1988-03-21 1989-09-10 Exxon Chemical Patents Inc Silicon-bridged transition metal compounds
DE3844282A1 (de) * 1988-12-30 1990-07-05 Hoechst Ag Bisindenyl-derivat und verfahren zu seiner herstellung
US5117020A (en) * 1989-10-30 1992-05-26 Fina Research, S.A. Process for the preparation of metallocenes
EP0426643B1 (en) * 1989-10-30 1995-12-27 Fina Research S.A. Process for the preparation of metallocenes
EP0485823B1 (de) * 1990-11-12 1995-03-08 Hoechst Aktiengesellschaft 2-Substituierte Bisindenylmetallocene, Verfahren zu ihrer Herstellung und ihre Verwendung als Katalysatoren bei der Olefinpolymerisation
TW300901B (en:Method) † 1991-08-26 1997-03-21 Hoechst Ag
NL9101502A (nl) † 1991-09-06 1993-04-01 Dsm Nv Werkwijze voor het bereiden van een gebrugde metalloceenverbinding alsmede een katalysatorcomponent en een werkwijze voor de polymerisatie van een olefinen.

Also Published As

Publication number Publication date
ATE162529T1 (de) 1998-02-15
ZA934148B (en) 1994-01-13
JPH06122692A (ja) 1994-05-06
EP0574597B2 (en) 2002-06-26
AU664896B2 (en) 1995-12-07
KR100293042B1 (ko) 2001-11-22
AU4018193A (en) 1993-12-16
KR940000472A (ko) 1994-01-03
JP3419501B2 (ja) 2003-06-23
US5391790A (en) 1995-02-21
DE69224184D1 (de) 1998-02-26
TW223645B (en:Method) 1994-05-11
DE69224184T2 (de) 1999-06-02
DK0574597T3 (da) 1998-09-14
EP0574597B1 (en) 1998-01-21
CA2098258A1 (en) 1993-12-14
ES2113900T3 (es) 1998-05-16
EP0574597A1 (en) 1993-12-22
US5616747A (en) 1997-04-01

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