Nothing Special   »   [go: up one dir, main page]

DE69717645D1 - Verbrückte nicht-aromatische anionische dienylgruppen enthaltende metallkomplexe und darauf basierte polymerisatonskatalysatoren - Google Patents

Verbrückte nicht-aromatische anionische dienylgruppen enthaltende metallkomplexe und darauf basierte polymerisatonskatalysatoren

Info

Publication number
DE69717645D1
DE69717645D1 DE69717645T DE69717645T DE69717645D1 DE 69717645 D1 DE69717645 D1 DE 69717645D1 DE 69717645 T DE69717645 T DE 69717645T DE 69717645 T DE69717645 T DE 69717645T DE 69717645 D1 DE69717645 D1 DE 69717645D1
Authority
DE
Germany
Prior art keywords
metal complexes
polymerisatone
containing non
complexes containing
catalysts based
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.)
Expired - Fee Related
Application number
DE69717645T
Other languages
English (en)
Other versions
DE69717645T2 (de
Inventor
R Wilson
N Nickias
R Neithamer
D Ernst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Global Technologies LLC
University of Utah
Original Assignee
Dow Global Technologies LLC
University of Utah
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 Dow Global Technologies LLC, University of Utah filed Critical Dow Global Technologies LLC
Publication of DE69717645D1 publication Critical patent/DE69717645D1/de
Application granted granted Critical
Publication of DE69717645T2 publication Critical patent/DE69717645T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • 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
    • 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)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Catalysts (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerization Catalysts (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
DE69717645T 1996-07-22 1997-07-18 Verbrückte nicht-aromatische anionische dienylgruppen enthaltende metallkomplexe und darauf basierte polymerisatonskatalysatoren Expired - Fee Related DE69717645T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2203296P 1996-07-22 1996-07-22
PCT/US1997/012650 WO1998003520A1 (en) 1996-07-22 1997-07-18 Metal complexes containing bridged, non-aromatic, anionic, dienyl groups and addition polymerization catalysts therefrom

Publications (2)

Publication Number Publication Date
DE69717645D1 true DE69717645D1 (de) 2003-01-16
DE69717645T2 DE69717645T2 (de) 2003-09-25

Family

ID=21807474

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69717645T Expired - Fee Related DE69717645T2 (de) 1996-07-22 1997-07-18 Verbrückte nicht-aromatische anionische dienylgruppen enthaltende metallkomplexe und darauf basierte polymerisatonskatalysatoren

Country Status (12)

Country Link
US (2) US5817849A (de)
EP (1) EP0927187B1 (de)
JP (1) JP2000514810A (de)
KR (1) KR20000067941A (de)
CN (1) CN1228781A (de)
AT (1) ATE229026T1 (de)
AU (1) AU3960497A (de)
BR (1) BR9710518A (de)
CA (1) CA2260985A1 (de)
CZ (1) CZ20999A3 (de)
DE (1) DE69717645T2 (de)
WO (1) WO1998003520A1 (de)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4198396A (en) * 1994-11-23 1996-06-17 Dow Chemical Company, The Preparation of syndiotactic polyolefins from prochiral olefins
US6403772B1 (en) * 1995-09-11 2002-06-11 Montell Technology Company, Bv Open-pentadienyl metallocenes, precursors thereof and polymerization catalysts therefrom
CZ20999A3 (cs) * 1996-07-22 1999-04-14 The Dow Chemical Company Kovové komplexy obsahující můstkové ne-aromatické aniontové dienylové skupiny, adiční polymerační katalyzátory na bázi těchto komplexů a způsob polymerace
US6921794B2 (en) * 1997-08-12 2005-07-26 Exxonmobil Chemical Patents Inc. Blends made from propylene ethylene polymers
US7232871B2 (en) * 1997-08-12 2007-06-19 Exxonmobil Chemical Patents Inc. Propylene ethylene polymers and production process
US6635715B1 (en) * 1997-08-12 2003-10-21 Sudhin Datta Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
US6511936B1 (en) * 1998-02-12 2003-01-28 University Of Delaware Catalyst compounds with β-diminate anionic ligands and processes for polymerizing olefins
WO2000001766A1 (en) * 1998-07-01 2000-01-13 Exxon Chemical Patents Inc. Elastic blends comprising crystalline polymer and crystallizable polymers of propylene
US6291386B1 (en) * 1999-05-25 2001-09-18 Equistar Chemicals, Lp Process for the in-situ preparation of single-site transition metal catalysts and polymerization process
MY131000A (en) 2001-03-16 2007-07-31 Dow Global Technologies Inc High melt strength polymers and method of making same
JP5156167B2 (ja) 2001-04-12 2013-03-06 エクソンモービル・ケミカル・パテンツ・インク プロピレン−エチレンポリマー及び製造法
MY139205A (en) * 2001-08-31 2009-08-28 Pennzoil Quaker State Co Synthesis of poly-alpha olefin and use thereof
US6960635B2 (en) * 2001-11-06 2005-11-01 Dow Global Technologies Inc. Isotactic propylene copolymers, their preparation and use
US6906160B2 (en) 2001-11-06 2005-06-14 Dow Global Technologies Inc. Isotactic propylene copolymer fibers, their preparation and use
US6927256B2 (en) 2001-11-06 2005-08-09 Dow Global Technologies Inc. Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent
JP2005508415A (ja) 2001-11-06 2005-03-31 ダウ グローバル テクノロジーズ インコーポレイティド アイソタクチックプロピレンコポリマー類、その製法および用途
CN100575405C (zh) * 2002-06-04 2009-12-30 联合碳化化学及塑料技术有限责任公司 聚合物组合物和由其制作管子的方法
ATE402222T1 (de) 2002-10-17 2008-08-15 Dow Global Technologies Inc Hochgefüllte polymerzusammensetzungen
US7579407B2 (en) * 2002-11-05 2009-08-25 Dow Global Technologies Inc. Thermoplastic elastomer compositions
US7459500B2 (en) * 2002-11-05 2008-12-02 Dow Global Technologies Inc. Thermoplastic elastomer compositions
ES2397751T3 (es) 2003-08-19 2013-03-11 Dow Global Technologies Inc. Interpolímeros adecuados para usar en colas termoplásticas
JP5188178B2 (ja) 2004-06-16 2013-04-24 ダウ グローバル テクノロジーズ エルエルシー 重合調整剤を選択するための技術
WO2006004750A1 (en) * 2004-06-28 2006-01-12 Dow Global Technoligies Inc. Adhesion promoters for multistrucural laminates
US8093341B2 (en) 2004-10-28 2012-01-10 Dow Global Technologies Llc Method of controlling a polymerization reactor
CN101248099A (zh) * 2005-07-11 2008-08-20 陶氏环球技术公司 硅烷接枝的烯烃聚合物、组合物和由其制备的制品，及其制备方法
CN114805690A (zh) 2006-06-15 2022-07-29 陶氏环球技术有限责任公司 官能化烯烃共聚体、组合物和由其制成的制品及其制法
CA2713042C (en) 2010-08-11 2017-10-24 Nova Chemicals Corporation Method of controlling polymer architecture
WO2012068703A1 (en) 2010-11-24 2012-05-31 Exxonmobil Asia Pacific Research & Development Co., Ltd. High filler loaded polymer composition
CA2724943A1 (en) 2010-12-10 2012-06-10 Nova Chemicals Corporation Catalyst activation in a dual reactor process
CA2739969C (en) 2011-05-11 2018-08-21 Nova Chemicals Corporation Improving reactor operability in a gas phase polymerization process
US9371442B2 (en) 2011-09-19 2016-06-21 Nova Chemicals (International) S.A. Polyethylene compositions and closures made from them
CA2752407C (en) 2011-09-19 2018-12-04 Nova Chemicals Corporation Polyethylene compositions and closures for bottles
CA2760264C (en) 2011-12-05 2018-08-21 Nova Chemicals Corporation Passivated supports for use with olefin polymerization catalysts
CA2798855C (en) 2012-06-21 2021-01-26 Nova Chemicals Corporation Ethylene copolymers having reverse comonomer incorporation
US9115233B2 (en) 2012-06-21 2015-08-25 Nova Chemicals (International) S.A. Ethylene copolymer compositions, film and polymerization processes
CA2783494C (en) 2012-07-23 2019-07-30 Nova Chemicals Corporation Adjusting polymer composition
US9783663B2 (en) 2012-12-14 2017-10-10 Nova Chemicals (International) S.A. Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
US9475927B2 (en) 2012-12-14 2016-10-25 Nova Chemicals (International) S.A. Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
CA2798854C (en) 2012-12-14 2020-02-18 Nova Chemicals Corporation Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
WO2016135590A1 (en) 2015-02-24 2016-09-01 Nova Chemicals (International) S.A. Bottle cap
CA2891693C (en) 2015-05-21 2022-01-11 Nova Chemicals Corporation Controlling the placement of comonomer in an ethylene copolymer
CA2892552C (en) 2015-05-26 2022-02-15 Victoria Ker Process for polymerization in a fluidized bed reactor
CA2892882C (en) 2015-05-27 2022-03-22 Nova Chemicals Corporation Ethylene/1-butene copolymers with enhanced resin processability
US9758653B2 (en) 2015-08-19 2017-09-12 Nova Chemicals (International) S.A. Polyethylene compositions, process and closures
CA2914353C (en) 2015-12-10 2023-01-24 Nova Chemicals Corp. Hot fill process with closures made from high density polyethylene compositions
CA2914354C (en) 2015-12-10 2022-11-08 Nova Chemicals Corp. Hot fill process with closures made frm bimodal polyethylene compositions
US9783664B1 (en) 2016-06-01 2017-10-10 Nova Chemicals (International) S.A. Hinged component comprising polyethylene composition
CA3022700A1 (en) 2017-11-27 2019-05-27 Nova Chemicals Corporation Bottle closure assembly comprising a polyethylene composition having good dimensional stability
CA3022996A1 (en) 2017-12-04 2019-06-04 Nova Chemicals Corporation Bottle closure assembly comprising a polyethylene composition
CA3009299A1 (en) 2018-06-26 2019-12-26 Nova Chemicals Corporation Catalyst injection system for an olefin polymerization reactor
CA3026098A1 (en) 2018-12-03 2020-06-03 Nova Chemicals Corporation Narrow polyethylene homopolymer compositions having good barrier properties
CA3026095A1 (en) 2018-12-03 2020-06-03 Nova Chemicals Corporation Polyethylene homopolymer compositions having good barrier properties
CA3028157A1 (en) 2018-12-20 2020-06-20 Nova Chemicals Corporation Polyethylene copolymer compositions and their barrier properties
CA3028148A1 (en) 2018-12-20 2020-06-20 Nova Chemicals Corporation Polyethylene copolymer compositions and articles with barrier properties
CA3032082A1 (en) 2019-01-31 2020-07-31 Nova Chemicals Corporation Polyethylene compositions and articles with good barrier properties
WO2021014244A1 (en) 2019-07-25 2021-01-28 Nova Chemicals (International) S.A. Rotomolded parts prepared from bimodal polyethylene
BR112022007224A2 (pt) 2019-10-16 2022-07-05 Nova Chem Int Sa Uso de polietileno reciclado em fechamentos para garrafas
WO2021144615A1 (en) 2020-01-17 2021-07-22 Nova Chemicals (International) S.A. Polyethylene copolymer compositions and articles with barrier properties
WO2021153640A1 (ja) * 2020-01-31 2021-08-05 田中貴金属工業株式会社 有機ルテニウム化合物からなる化学蒸着用原料及び該化学蒸着用原料を用いた化学蒸着法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096867A (en) * 1990-06-04 1992-03-17 Exxon Chemical Patents Inc. Monocyclopentadienyl transition metal olefin polymerization catalysts
US5055438A (en) * 1989-09-13 1991-10-08 Exxon Chemical Patents, Inc. Olefin polymerization catalysts
NZ235032A (en) * 1989-08-31 1993-04-28 Dow Chemical Co Constrained geometry complexes of titanium, zirconium or hafnium comprising a substituted cyclopentadiene ligand; use as olefin polymerisation catalyst component
US5057475A (en) * 1989-09-13 1991-10-15 Exxon Chemical Patents Inc. Mono-Cp heteroatom containing group IVB transition metal complexes with MAO: supported catalyst for olefin polymerization
US5064802A (en) * 1989-09-14 1991-11-12 The Dow Chemical Company Metal complex compounds
JP2545006B2 (ja) * 1990-07-03 1996-10-16 ザ ダウ ケミカル カンパニー 付加重合触媒
US5098867A (en) * 1990-11-13 1992-03-24 Samsung Electronics Co., Ltd. Heat treatment for compound semiconductor wafer
JP3275211B2 (ja) * 1991-05-20 2002-04-15 ザ ダウ ケミカル カンパニー 付加重合触媒の製造方法
US5721185A (en) * 1991-06-24 1998-02-24 The Dow Chemical Company Homogeneous olefin polymerization catalyst by abstraction with lewis acids
CA2098381C (en) * 1991-10-15 2003-12-02 Peter N. Nickias Preparation of metal coordination complexes
US5374696A (en) * 1992-03-26 1994-12-20 The Dow Chemical Company Addition polymerization process using stabilized reduced metal catalysts
WO1994000500A1 (en) * 1992-06-26 1994-01-06 Exxon Chemical Patents Inc. Solution phase polymerization process utilizing metallocene catalyst with production of olefin polymers
US5541349A (en) * 1994-09-12 1996-07-30 The Dow Chemical Company Metal complexes containing partially delocalized II-bound groups and addition polymerization catalysts therefrom
US5495036A (en) * 1994-09-12 1996-02-27 The Dow Chemical Company Metal (III) complexes containing conjugated, non-aromatic anionic II-bound groups and addition polymerization catalysts therefrom
US5625087A (en) * 1994-09-12 1997-04-29 The Dow Chemical Company Silylium cationic polymerization activators for metallocene complexes
AU4198396A (en) * 1994-11-23 1996-06-17 Dow Chemical Company, The Preparation of syndiotactic polyolefins from prochiral olefins
US6403772B1 (en) * 1995-09-11 2002-06-11 Montell Technology Company, Bv Open-pentadienyl metallocenes, precursors thereof and polymerization catalysts therefrom
CZ20999A3 (cs) * 1996-07-22 1999-04-14 The Dow Chemical Company Kovové komplexy obsahující můstkové ne-aromatické aniontové dienylové skupiny, adiční polymerační katalyzátory na bázi těchto komplexů a způsob polymerace

Also Published As

Publication number Publication date
CZ20999A3 (cs) 1999-04-14
AU3960497A (en) 1998-02-10
US5817849A (en) 1998-10-06
CN1228781A (zh) 1999-09-15
JP2000514810A (ja) 2000-11-07
EP0927187B1 (de) 2002-12-04
KR20000067941A (ko) 2000-11-25
US6034021A (en) 2000-03-07
CA2260985A1 (en) 1998-01-29
DE69717645T2 (de) 2003-09-25
BR9710518A (pt) 1999-08-17
ATE229026T1 (de) 2002-12-15
EP0927187A1 (de) 1999-07-07
WO1998003520A1 (en) 1998-01-29

Similar Documents

Publication Publication Date Title
DE69717645D1 (de) Verbrückte nicht-aromatische anionische dienylgruppen enthaltende metallkomplexe und darauf basierte polymerisatonskatalysatoren
ES2096475T3 (es) Complejos de titanio (ii) o circonio (ii) y catalizadores de polimerizacion por adicion obtenidos a partir de los mismos.
FI955734A (fi) Olefiinien polymerointiin tarkoitetut komponentit ja katalysaattorit
ATE211478T1 (de) Nichtaromatische anionische dienylgruppe enthaltende metall (iii) komplexe und diese enthaltende additionspolymerizationskatalysatoren
DK0970971T3 (da) Fremgangsmåde til polymerisering af monomerer i fluidiserede lejer
CA2321712A1 (en) Tridentate ligand-containing metal catalyst complexes for olefin polymerization
SE0200323L (sv) Metallkomplex
DE68911812D1 (de) Katalysatorbestandteil für Olefinpolymerisation, Verfahren zur Herstellung davon, Olefinpolymerisationskatalysator und Verfahren zur Polymerisation von Olefinen.
RU92016448A (ru) Катализаторы на основе алюминия и свободного моноциклопентадиенилов для полимеризации олефинов
FI971823A0 (fi) Katalyyttikoostumus ja olefiinin polymerointiprosessi
NO951267D0 (no) Homogene katalysatorkomplekser på bærer, for olefinpolymerisasjon
ES2139094T3 (es) Componentes cataliticos puenteados de amido-siladiilo, metodo de fabricacion y uso.
BR9809735A (pt) Catalisador e processo para a polimerização de olefinas
DK0955304T3 (da) Metallocenkomplekser med bro til (co)polymerisation af olefiner
AU2780197A (en) New compounds having an element of group 13 linked to a mono- or di-anionic tridentate ligand, their preparation process and their use as polymerization catalysts
MX9702453A (es) Proceso de polimerizacion de olefina proquiral sindiotactica.
DE69519049D1 (de) Polymerisationskatalysatoren
DE69100297D1 (de) Katalytische Zusammensetzungen und Polymerisationsverfahren, Hexakiphosphin- und Hexahalid-Verbindungen.
RU94001575A (ru) Каталитические композиции и способ изготовления полиолефинов
NO850988L (no) Vanadiumkatalysator for alkenpolymerisasjon.
KR830005269A (ko) 각기 지지된 촉매 혼합물을 사용한 올레핀의 중합방법

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee