NO20022099D0 - Polymerisasjonskatalysatorsystem og fremgangsmåte for anvendelse av alkyllitiumforbindelser som en kokatalysator - Google Patents

Polymerisasjonskatalysatorsystem og fremgangsmåte for anvendelse av alkyllitiumforbindelser som en kokatalysator

Info

Publication number
NO20022099D0
NO20022099D0 NO20022099A NO20022099A NO20022099D0 NO 20022099 D0 NO20022099 D0 NO 20022099D0 NO 20022099 A NO20022099 A NO 20022099A NO 20022099 A NO20022099 A NO 20022099A NO 20022099 D0 NO20022099 D0 NO 20022099D0
Authority
NO
Norway
Prior art keywords
cocatalyst
catalyst system
polymerization catalyst
alkyllithium compounds
alkyllithium
Prior art date
Application number
NO20022099A
Other languages
English (en)
Other versions
NO20022099L (no
Inventor
Max Paul Mcdaniel
Joseph Samuel Shveima
Elizabeth Ann Benham
Rolf L Geerts
James L Smith
Original Assignee
Phillips Petroleum Co
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
Application filed by Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of NO20022099D0 publication Critical patent/NO20022099D0/no
Publication of NO20022099L publication Critical patent/NO20022099L/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/06Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen
    • C08F4/22Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen of chromium, molybdenum or tungsten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/128Mixtures of organometallic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24Chromium, molybdenum or tungsten
    • B01J23/26Chromium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/122Metal aryl or alkyl compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/14Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063Titanium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066Zirconium or hafnium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/19Catalysts containing parts with different compositions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
NO20022099A 1999-11-05 2002-05-02 Polymerisasjonskatalysatorsystem og fremgangsmåte for anvendelse av alkyllitiumforbindelser som en kokatalysator NO20022099L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/435,113 US6828268B1 (en) 1999-11-05 1999-11-05 Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst
PCT/US2000/041812 WO2001032307A1 (en) 1999-11-05 2000-11-03 Polymerization catalyst systems and processes using alkly lithium compounds as a cocatalyst

Publications (2)

Publication Number Publication Date
NO20022099D0 true NO20022099D0 (no) 2002-05-02
NO20022099L NO20022099L (no) 2002-06-24

Family

ID=23727039

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20022099A NO20022099L (no) 1999-11-05 2002-05-02 Polymerisasjonskatalysatorsystem og fremgangsmåte for anvendelse av alkyllitiumforbindelser som en kokatalysator

Country Status (10)

Country Link
US (3) US6828268B1 (no)
EP (1) EP1235645A4 (no)
KR (1) KR20020047336A (no)
CN (1) CN100496732C (no)
AU (1) AU3792201A (no)
CA (1) CA2389654C (no)
HU (1) HUP0203283A3 (no)
NO (1) NO20022099L (no)
RU (1) RU2262513C2 (no)
WO (1) WO2001032307A1 (no)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI268939B (en) * 2001-12-12 2006-12-21 Basell Poliolefine Spa Process for the polymerization of olefins
JP2005528512A (ja) 2002-06-06 2005-09-22 エクソンモービル・ケミカル・パテンツ・インク 触媒系及びオレフィン重合法
US7223823B2 (en) 2002-06-06 2007-05-29 Exxon Mobil Chemical Patents Inc. Catalyst system and process
US7381778B2 (en) 2002-06-06 2008-06-03 Exxonmobil Chemical Patents Inc. Method of preparing a treated support
US20100291334A1 (en) * 2002-12-27 2010-11-18 Univation Technologies, Llc Broad Molecular Weight Polyethylene Having Improved Properties
US6989344B2 (en) * 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
US7384885B2 (en) 2003-03-31 2008-06-10 Exxonmobil Chemical Patents Inc. Catalyst activation and resins therefrom
EP1564198A1 (en) * 2004-02-11 2005-08-17 Total Petrochemicals Research Feluy Heterogeneous chromium catalysts
WO2005082815A1 (en) * 2004-02-11 2005-09-09 Total Petrochemicals Research Feluy Heterogeneous chromium catalysts
US7112643B2 (en) 2004-04-22 2006-09-26 Chevron Phillips Chemical Company Lp Polymers having low levels of long chain branching and methods of making the same
US7214642B2 (en) * 2004-04-22 2007-05-08 Chevron Phillips Chemical Company Lp Methods of preparing active chromium/alumina catalysts via treatment with sulfate
EP2374537A3 (en) * 2004-04-22 2011-11-02 Chevron Phillips Chemical Company LP Methods of preparing active chromium/alumina catalysts via treatment with sulfate and polymers produced using the chromium/alumina catalysts
WO2006049700A1 (en) 2004-10-27 2006-05-11 Exxonmobil Chemical Patents Inc. Method of preparing a treated support
EP1915400A4 (en) * 2005-08-04 2009-12-16 Univ Colorado CATALYSTS FOR THE POLYMERIZATION OF RADICALS
WO2008045171A2 (en) * 2006-10-11 2008-04-17 Univation Technologies, Llc Supported olefin polymerization catalysts and their use in polymerization processes
US7375169B1 (en) 2007-01-25 2008-05-20 Exxonmobil Chemical Patents Inc. Method for catalyst preparation and improved polyethylene blow molding resin
CN101274968B (zh) * 2007-03-28 2012-11-21 中国石油化工股份有限公司 一种用于生产宽分子量分布的聚乙烯的复合催化剂
US7897539B2 (en) 2007-05-16 2011-03-01 Chevron Phillips Chemical Company Lp Methods of preparing a polymerization catalyst
US8258246B2 (en) * 2008-01-31 2012-09-04 Fina Technology, Inc. Preparation of supported chromium catalyst and polymerization process
US20100326017A1 (en) * 2009-06-25 2010-12-30 Darla Kindel Protective Cover
WO2011006111A1 (en) 2009-07-09 2011-01-13 Union Carbide Chemicals & Plastics Technology Llc Enhanced condensed mode operation in method of producing polyofefins with chromium based catalysts
US8399580B2 (en) 2010-08-11 2013-03-19 Chevron Philips Chemical Company Lp Additives to chromium catalyst mix tank
CN103159874B (zh) * 2011-12-09 2015-10-07 中国石油化工股份有限公司 乙烯聚合用铬系催化剂的制备方法
CN102627710B (zh) * 2012-04-16 2017-12-29 华东理工大学 一种负载型双中心复合聚乙烯催化剂的制备方法和应用
WO2013155982A1 (zh) * 2012-04-20 2013-10-24 华东理工大学 一种负载型金属氧化物双活性中心乙烯聚合催化剂及其制备方法与应用
US8680218B1 (en) 2013-01-30 2014-03-25 Chevron Phillips Chemical Company Lp Methods for controlling dual catalyst olefin polymerizations with an organozinc compound
US9861955B2 (en) 2015-06-11 2018-01-09 Chevron Phillips Chemical Company, Lp Treater regeneration
US9289748B1 (en) 2015-06-11 2016-03-22 Chevron Phillips Chemical Company Lp Treater regeneration
SG11201806038XA (en) 2016-01-29 2018-08-30 Univation Tech Llc Polyolefin film with improved toughness
WO2018093421A1 (en) * 2016-11-18 2018-05-24 Exxonmobil Chemical Patents Inc. Polymerization processes utilizing chromium-containing catalysts
CN110621388B (zh) 2017-05-03 2021-10-29 切弗朗菲利浦化学公司 在聚烯烃生产工艺的离线处理器中再生干燥剂
US10792609B2 (en) 2018-05-07 2020-10-06 Chevron Phillips Chemical Company Lp Nitrogen conservation in polymerization processes
CN109160963B (zh) * 2018-08-28 2021-05-04 吉化集团吉林市天龙催化剂有限公司 一种乙烯聚合用镁改性铬系催化剂及其制备方法
CN113801252A (zh) * 2020-06-15 2021-12-17 中国石油天然气股份有限公司 改性的负载型催化剂及其制备方法与应用
CN112142956B (zh) * 2020-09-27 2021-10-19 中国科学院物理研究所 一种一氧化碳的聚合方法

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA995396A (en) 1971-03-18 1976-08-17 Robert N. Johnson Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins
US3947433A (en) 1974-05-13 1976-03-30 Phillips Petroleum Company Supported chromium oxide catalyst having mixed adjuvant
DE2734928A1 (de) 1977-08-03 1979-02-22 Basf Ag Verfahren zum herstellen eines chromoxid-traegerkatalysators zur olefin-polymerisation
US4321159A (en) * 1978-11-13 1982-03-23 The Dow Chemical Company Organo titanium chromium compound, catalyst prepared therefrom and polymerization of olefins therewith
CA1142162A (en) * 1979-03-28 1983-03-01 Paul L. Eve Polymerisation process and products therefrom
US4312967A (en) * 1980-02-06 1982-01-26 Phillips Petroleum Co. Polymerization catalyst and process
NL8002599A (nl) * 1980-05-07 1981-12-01 Stamicarbon Werkwijze voor de bereiding van een polymerisatiekatalysator en bereiding van etheenpolymeren daarmee.
US4328124A (en) * 1981-01-26 1982-05-04 National Petro Chemicals Corp. Olefin polymerization catalyst and process
CA1168212A (en) 1981-01-31 1984-05-29 Alexander Johnstone Polymerisation catalyst
US4376065A (en) * 1981-06-01 1983-03-08 The Dow Chemical Company Organo zirconium-chromium compound, catalyst prepared therefrom and polymerization of olefins therewith
JPS57198705A (en) * 1981-06-01 1982-12-06 Asahi Chem Ind Co Ltd Olefin polymerization catalyst
NL8103702A (nl) * 1981-08-06 1983-03-01 Stamicarbon Werkwijze voor de bereiding van een polymerisatiekatalysator en bereiding van etheenpolymeren daarmee.
US4514514A (en) 1983-04-28 1985-04-30 Phillips Petroleum Company Process and vanadium catalyst for olefin polymerization
US5155186A (en) 1984-12-24 1992-10-13 Phillips Petroleum Company Ethylene homopolymer and copolymer polymerization process and the products produced therefrom
DE3609828A1 (de) * 1986-03-22 1987-09-24 Basf Ag Verfahren zum herstellen von homo-sowie copolymerisaten des ethens durch phillips-katalyse
DE3618259A1 (de) * 1986-05-30 1987-12-03 Basf Ag Verfahren zum herstellen von homo- sowie copolymerisaten des ethens durch phillips-katalyse
US4735931A (en) 1986-06-16 1988-04-05 Phillips Petroleum Company In situ comonomer generation in olefin polymerization
DE3634534A1 (de) 1986-10-10 1988-04-14 Basf Ag Verfahren zum herstellen von homo- sowie copolymerisaten des ethens mittels eines chromtrioxid-katalysators
US5198400A (en) * 1987-05-20 1993-03-30 Quantum Chemical Corporation Mixed chromium catalysts and polymerizations utilizing same
CA1309801C (en) * 1987-09-18 1992-11-03 Elizabeth A. Boggs Process for olefin polymerization
US5330950A (en) * 1987-12-29 1994-07-19 Mobil Oil Corporation Mixed Ziegler and chromium catalyst and process for preparing a broad molecular weight distribution HDPE
US5408015A (en) * 1987-12-29 1995-04-18 Mobil Oil Corporation Mixed chromium catalyst,and alkene and alkyl aluminum hydride-modified ziegler catalyst for multimodal HDPE
IT1240613B (it) * 1990-03-26 1993-12-17 Enichem Anic Spa Catalizzatore supportato per la polimerizzazione e la copolimerizzazione di composti olefinicamente insaturi, e procedimento di (co) polimerizzazione impiegante lo stesso
US5032651A (en) * 1990-05-29 1991-07-16 Phillips Petroleum Company Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system
US5183868A (en) * 1990-07-23 1993-02-02 Phillips Petroleum Company Olefin polymerization over pi-olefin complex of chromium supported on aluminophosphate
US5237025A (en) * 1990-10-09 1993-08-17 Phillips Petroleum Company Process for making bimodal polyolefins using two independent particulate catalysts
US5401816A (en) * 1993-09-27 1995-03-28 Phillips Petroleum Company Transition metal catalyst, method of preparing catalyst, polymerization process employing catalyst, and polymer produced
US5508362A (en) * 1993-10-08 1996-04-16 Phillips Petroleum Company Chromium catalyst compositions and polymerization processes therewith
US5624877A (en) * 1994-02-25 1997-04-29 Phillips Petroleum Company Process for producing polyolefins
EP0763550B1 (en) * 1995-09-14 1999-05-06 Showa Denko Kabushiki Kaisha Ethylenic polymerization catalyst
EP0857737A1 (en) * 1997-02-07 1998-08-12 Fina Research S.A. Production of polyethylene having impact resistance
DE69816524D1 (de) * 1997-06-06 2003-08-28 Atofina Res Seneffe Geträgerter Chromium-Katalysator für die Herstellung von Polyethylen für Blasformverfahren
EP0905147A1 (en) * 1997-09-27 1999-03-31 Fina Research S.A. Catalysts for polyethylene production and use thereof
EP0952165A1 (en) * 1998-04-24 1999-10-27 Fina Research S.A. Production of polyethylene having improved mechanical properties
EP0967234A1 (en) * 1998-06-24 1999-12-29 Fina Research S.A. Production of polyethylene
US6204346B1 (en) * 1998-12-17 2001-03-20 Phillips Petroleum Co. Polymerization process
US6174981B1 (en) 1998-12-17 2001-01-16 Phillips Petroleum Company Polymerization process
EP1041096A1 (en) * 1999-03-29 2000-10-04 Fina Research S.A. Polymerisation of ethylene
EP1153943B1 (en) * 2000-05-10 2004-11-24 Repsol Quimica S.A. Process for producing bimodal polyethylene

Also Published As

Publication number Publication date
EP1235645A4 (en) 2004-10-20
CN100496732C (zh) 2009-06-10
HUP0203283A2 (hu) 2003-01-28
US6828268B1 (en) 2004-12-07
US20050245697A1 (en) 2005-11-03
EP1235645A1 (en) 2002-09-04
KR20020047336A (ko) 2002-06-21
US20050090629A1 (en) 2005-04-28
RU2262513C2 (ru) 2005-10-20
NO20022099L (no) 2002-06-24
CA2389654C (en) 2007-02-27
AU3792201A (en) 2001-05-14
US7022781B2 (en) 2006-04-04
CN1391498A (zh) 2003-01-15
WO2001032307A1 (en) 2001-05-10
CA2389654A1 (en) 2001-05-10
HUP0203283A3 (en) 2004-04-28

Similar Documents

Publication Publication Date Title
NO20022099L (no) Polymerisasjonskatalysatorsystem og fremgangsmåte for anvendelse av alkyllitiumforbindelser som en kokatalysator
AU2001296670A1 (en) A catalyst system for controlled polymerization
NO20015613L (no) Fremgangsmåte for polymerisasjon
NO20022851D0 (no) Fremgangsmåte for polymerisasjon
ID28200A (id) Komponen katalis untuk polimerisasi olefin
NO20021862D0 (no) Katalysatorsammensetninger, fremgangsmåter for polymerisasjon og polymerer derfra
NO20012785L (no) Katalysator og fremgangsmåte for olefinpolymerisasjon
DE69602329T2 (de) Katalysator für ethylenische Polymerisation
ATE288926T1 (de) Polymerisationskatalysator
AU4678100A (en) Fluorinated polymers, photoresists and processes for microlithography
ID29399A (id) Proses polimerisasi
DE69725189D1 (de) Polymerisationskatalysator
ID22033A (id) Katalis polimerisasi
AU6056099A (en) Photoresists, polymers and processes for microlithography
NO20022098L (no) Polymerisasjonskatalysatorsystem, fremgangsmåte for fremstilling og anvendelse derav
ID23021A (id) Komponen-komponen katalis prapolimerisasi untuk polimerisasi olefin
AU2001296737A1 (en) Co2-processes photoresists, polymers, and photoactive compounds for microlithography
ID20301A (id) Proses untuk polimerisasi akrilonitril
NO20022250L (no) Polymerisasjonskatalysator og fremgangsmåte
DE69514803D1 (de) Olefinpolymerisationskatalysator
NO20012982L (no) Olefinpolymerisasjonskatalysatorsystem, polymerisasjonsprosess og polymer derfra
AU2003266072A1 (en) Olefin polymerization catalyst system
DE69923679D1 (de) Katalysatorsystem für ethylenpolymerisierungen
DE60025017D1 (de) Geträgerter polymerisations-metallocene-katalysator
DE69520449T2 (de) Olefinpolymerisationskatalysator