FI955822L - Metalloseeniyhdisteitä ja niiden käyttö katalyytteihin olefiinien polymeroinnissa - Google Patents

Metalloseeniyhdisteitä ja niiden käyttö katalyytteihin olefiinien polymeroinnissa Download PDF

Info

Publication number: FI955822L
Authority: FI; Finland
Prior art keywords: olefins; catalysts; polymerization; metallocene compounds; metallocene
Prior art date: 1994-04-06

Application number

FI955822A

Other languages

English (en)

Swedish (sv)

Other versions

FI955822A7 (fi

FI955822A0 (fi

Inventor

Clyde E Bishop

Robert L Jones

Krishna Raman

Vu Anh Dang

Lin-Chen Yu

Luigi Resconi

Occo Tiziano Dall

Maurizio Galimberti

Original Assignee

Montell Technology Company Bv

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.)

1994-04-06

Filing date

1995-03-31

Publication date

1996-01-18

1995-03-31 Application filed by Montell Technology Company Bv filed Critical Montell Technology Company Bv

1995-12-04 Publication of FI955822A0 publication Critical patent/FI955822A0/fi

1996-01-18 Publication of FI955822L publication Critical patent/FI955822L/fi

1996-01-18 Publication of FI955822A7 publication Critical patent/FI955822A7/fi

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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
- C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/613—Unsaturated compounds containing a keto groups being part of a ring polycyclic
- C07C49/617—Unsaturated compounds containing a keto groups being part of a ring polycyclic a keto group being part of a condensed ring system
- C07C49/643—Unsaturated compounds containing a keto groups being part of a ring polycyclic a keto group being part of a condensed ring system having three rings
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/657—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings
- C07C49/665—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings a keto group being part of a condensed ring system
- C07C49/675—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings a keto group being part of a condensed ring system having three rings
- 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
- C07F7/0805—Compounds with Si-C or Si-Si linkages comprising only Si, C or H 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—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
- 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
- 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
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
- 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
- C08F4/65912—Component covered by group C08F4/64 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
- C08F4/62—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
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

FI955822A 1994-04-06 1995-03-31 Metalloseeniyhdisteitä ja niiden käyttö katalyytteihin olefiinien poly meroinnissa FI955822A7 (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ITMI940645A IT1273420B (it)	1994-04-06	1994-04-06	Composti metallocenici, procedimento per la preparazione e loro utilizzo in catalizzatori per la polimerizzazione delle olefine
PCT/EP1995/001200 WO1995027717A1 (en)	1994-04-06	1995-03-31	Metallocene compounds and use thereof in catalysts for the polymerization of olefins

Publications (3)

Publication Number	Publication Date
FI955822A0 FI955822A0 (fi)	1995-12-04
FI955822L true FI955822L (fi)	1996-01-18
FI955822A7 FI955822A7 (fi)	1996-01-18

Family

ID=11368482

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI955822A FI955822A7 (fi)	1994-04-06	1995-03-31	Metalloseeniyhdisteitä ja niiden käyttö katalyytteihin olefiinien poly meroinnissa

Country Status (11)

Country	Link
US (3)	US6211108B1 (fi)
EP (1)	EP0702687B1 (fi)
JP (1)	JP3804969B2 (fi)
KR (1)	KR960702842A (fi)
CN (1)	CN1128537A (fi)
CA (1)	CA2164599A1 (fi)
DE (1)	DE69524333T2 (fi)
ES (1)	ES2167424T3 (fi)
FI (1)	FI955822A7 (fi)
IT (1)	IT1273420B (fi)
WO (1)	WO1995027717A1 (fi)

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DE19546501A1 (de) *	1995-12-13	1997-06-19	Hoechst Ag	Metallocenverbindung
EP0816371A1 (de) *	1996-06-28	1998-01-07	PCD-Polymere Gesellschaft m.b.H.	Verfahren zur stereoselektiven Herstellung von chiralen Metallocenen
DE19644039A1 (de) *	1996-10-31	1998-05-07	Hoechst Ag	Metallocene
CA2277127A1 (en) *	1997-11-12	1999-05-20	Montell Technology Company B.V.	Metallocenes and catalysts for olefin-polymerisation
US5965757A (en) *	1998-02-04	1999-10-12	Boulder Scientific Company	Synthesis of N-silylated cyclopentaphenanthrene compounds
EP1056792B1 (en) *	1998-02-17	2003-07-23	ExxonMobil Chemical Patents Inc.	Ethylene copolymerization process
CN1138796C (zh) *	1998-10-23	2004-02-18	埃克森美孚化学专利公司	烯烃共聚合用的桥连茂金属
IT1318436B1 (it) *	2000-03-31	2003-08-25	Enichem Spa	Ciclopentadieni sostituiti policiclici e metodo per la loropreparazione.
US6448424B1 (en) *	2000-05-01	2002-09-10	Solvay Polyolefins Europe-Belgium (Société Anonyme)	Tetrahydrofluorenyl containing group 4 metallocenes useful as catalysts for the polymerization of olefins, process for their preparation and use of said metallocenes for the polymerization of olefins
US6538082B2 (en) *	2000-12-05	2003-03-25	Solvay Polyolefins Europe-Belgium	Asymmetric silicon-bridged metallocenes useful as catalysts in the polymerization of α-olefins, process for their preparation and use of said metallocenes for the polymerization of α-olefins
US8283428B2 (en) *	2008-06-20	2012-10-09	Exxonmobil Chemical Patents Inc.	Polymacromonomer and process for production thereof
US8399725B2 (en) *	2008-06-20	2013-03-19	Exxonmobil Chemical Patents Inc.	Functionalized high vinyl terminated propylene based oligomers
ES2420117T3 (es) *	2008-06-20	2013-08-22	Exxonmobil Chemical Patents Inc.	Oligómeros basados en propileno terminado en vinilo superior
US8372930B2 (en) *	2008-06-20	2013-02-12	Exxonmobil Chemical Patents Inc.	High vinyl terminated propylene based oligomers
US8283419B2 (en) *	2008-06-20	2012-10-09	Exxonmobil Chemical Patents Inc.	Olefin functionalization by metathesis reaction
US8802797B2 (en)	2008-06-20	2014-08-12	Exxonmobil Chemical Patents Inc.	Vinyl-terminated macromonomer oligomerization
US8318998B2 (en)	2011-03-25	2012-11-27	Exxonmobil Chemical Patents Inc.	Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers
US8623974B2 (en)	2011-03-25	2014-01-07	Exxonmobil Chemical Patents Inc.	Branched vinyl terminated polymers and methods for production thereof
US8399724B2 (en)	2011-03-25	2013-03-19	Exxonmobil Chemical Patents Inc.	Vinyl terminated higher olefin copolymers and methods to produce thereof
US8841397B2 (en)	2011-03-25	2014-09-23	Exxonmobil Chemical Patents Inc.	Vinyl terminated higher olefin polymers and methods to produce thereof
US8940839B2 (en)	2011-03-25	2015-01-27	Exxonmobil Chemical Patents Inc.	Diblock copolymers prepared by cross metathesis
US8835563B2 (en)	2011-03-25	2014-09-16	Exxonmobil Chemical Patents Inc.	Block copolymers from silylated vinyl terminated macromers
US8604148B2 (en)	2011-11-29	2013-12-10	Exxonmobil Chemical Patents Inc.	Functionalization of vinyl terminated polymers by ring opening cross metathesis
CN103509060B (zh) *	2012-06-27	2016-08-10	大林产业株式会社	茂金属化合物、包含茂金属化合物的催化剂组合物以及使用茂金属化合物的烯烃聚合方法
WO2017105614A1 (en) *	2015-12-16	2017-06-22	Exxonmobil Chemical Patents Inc.	Low crystalline polymer compositions
US10882932B2 (en)	2016-10-05	2021-01-05	Exxonmobil Chemical Patents Inc.	Sterically hindered metallocenes, synthesis and use
US10968290B2 (en)	2017-03-28	2021-04-06	Exxonmobil Chemical Patents Inc.	Metallocene-catalyzed polyalpha-olefins
US11078308B2 (en)	2018-02-12	2021-08-03	Exxonmobil Chemical Patents Inc.	Processes to produce poly alpha-olefin trimers
CA3090994A1 (en)	2018-02-12	2019-08-15	Exxonmobil Chemical Patents Inc.	Catalyst systems and processes for poly alpha-olefin having high vinylidene content
US11021553B2 (en)	2018-02-12	2021-06-01	Exxonmobil Chemical Patents Inc.	Metallocene dimer selective catalysts and processes to produce poly alpha-olefin dimers
CN113015755B (zh)	2018-09-17	2023-09-08	埃克森美孚化学专利公司	金属茂二聚物选择性催化剂和聚α-烯烃二聚物的制备方法
CN111484573A (zh) *	2019-06-04	2020-08-04	安徽敦茂新材料科技有限公司	一种烯烃聚合催化剂的合成方法
WO2021030045A1 (en)	2019-08-09	2021-02-18	Exxonmobil Chemical Patents Inc.	Process to produce low viscosity polyalphaolefins using non-aromatic-hydrocarbon soluble activators
US11661465B2 (en)	2019-10-28	2023-05-30	Exxonmobil Chemical Patents Inc.	Dimer selective metallocene catalysts, non-aromatic hydrocarbon soluble activators, and processes to produce poly alpha-olefin oligmers therewith
WO2021173361A1 (en)	2020-02-24	2021-09-02	Exxonmobil Chemical Patents Inc.	Ansa-bis(inden-2-yl) catalysts for producing vinylidene-terminated polyalphaolefins
CA3176627A1 (en)	2020-04-29	2021-11-04	Mark H. Li	Poly alpha-olefin compositions and processes to produce poly alpha-olefins

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DE4039451A1 (de) *	1990-12-11	1992-06-17	Hoechst Ag	Metallocene mit bicyclischen cyclopentadienderivaten als liganden, verfahren zu ihrer herstellung und ihre verwendung als katalysatoren
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US5436305A (en) *	1991-05-09	1995-07-25	Phillips Petroleum Company	Organometallic fluorenyl compounds, preparation, and use
DE4120009A1 (de) *	1991-06-18	1992-12-24	Basf Ag	Loesliche katalysatorsysteme zur herstellung von polyalk-1-enen mit hohen molmassen
US5296433A (en) *	1992-04-14	1994-03-22	Minnesota Mining And Manufacturing Company	Tris(pentafluorophenyl)borane complexes and catalysts derived therefrom
IT1256259B (it) *	1992-12-30	1995-11-29	Montecatini Tecnologie Srl	Composti mettallocenici aventi leganti di tipo fluorenilico
IT1264482B1 (it) *	1993-06-30	1996-09-23	Spherilene Srl	Copolimeri amorfi dell'etilene con propilene e procedimento per la loro preparazione

1994
- 1994-04-06 IT ITMI940645A patent/IT1273420B/it active IP Right Grant
1995
- 1995-03-31 KR KR1019950705519A patent/KR960702842A/ko not_active Ceased
- 1995-03-31 CN CN95190451A patent/CN1128537A/zh active Pending
- 1995-03-31 DE DE69524333T patent/DE69524333T2/de not_active Expired - Fee Related
- 1995-03-31 EP EP95913890A patent/EP0702687B1/en not_active Expired - Lifetime
- 1995-03-31 FI FI955822A patent/FI955822A7/fi unknown
- 1995-03-31 JP JP52605095A patent/JP3804969B2/ja not_active Expired - Fee Related
- 1995-03-31 CA CA002164599A patent/CA2164599A1/en not_active Abandoned
- 1995-03-31 WO PCT/EP1995/001200 patent/WO1995027717A1/en not_active Ceased
- 1995-03-31 ES ES95913890T patent/ES2167424T3/es not_active Expired - Lifetime
- 1995-04-05 US US08/417,735 patent/US6211108B1/en not_active Expired - Fee Related
2001
- 2001-03-30 US US09/823,393 patent/US7094847B2/en not_active Expired - Fee Related
2006
- 2006-06-29 US US11/478,214 patent/US20060252895A1/en not_active Abandoned

Also Published As

Publication number	Publication date
DE69524333T2 (de)	2002-08-08
KR960702842A (ko)	1996-05-23
US20060252895A1 (en)	2006-11-09
ITMI940645A1 (it)	1995-10-06
US7094847B2 (en)	2006-08-22
US6211108B1 (en)	2001-04-03
JPH09501184A (ja)	1997-02-04
WO1995027717A1 (en)	1995-10-19
CN1128537A (zh)	1996-08-07
US20010012877A1 (en)	2001-08-09
FI955822A7 (fi)	1996-01-18
IT1273420B (it)	1997-07-08
ITMI940645A0 (it)	1994-04-06
EP0702687B1 (en)	2001-12-05
FI955822A0 (fi)	1995-12-04
ES2167424T3 (es)	2002-05-16
CA2164599A1 (en)	1995-10-19
DE69524333D1 (de)	2002-01-17
JP3804969B2 (ja)	2006-08-02
EP0702687A1 (en)	1996-03-27

Publication	Publication Date	Title
FI955822A0 (fi)	1995-12-04	Metalloseeniyhdisteitä ja niiden käyttö katalyytteihin olefiinien polymeroinnissa
FI945959L (fi)	1995-06-22	Metalloseenejä ja niiden käyttö katalyytteinä
FI963759L (fi)	1996-09-20	Metalloseeniyhdisteitä, menetelmä niiden valmistamiseksi ja niiden käyttö olefiinien polymerointiin tarkoitetuissa katalyyteissä
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