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ZA762246B - Catalysts and catalyst components for polymerizing olefin - Google Patents

Catalysts and catalyst components for polymerizing olefin

Info

Publication number
ZA762246B
ZA762246B ZA762246A ZA762246A ZA762246B ZA 762246 B ZA762246 B ZA 762246B ZA 762246 A ZA762246 A ZA 762246A ZA 762246 A ZA762246 A ZA 762246A ZA 762246 B ZA762246 B ZA 762246B
Authority
ZA
South Africa
Prior art keywords
catalysts
catalyst components
polymerizing olefin
polymerizing
olefin
Prior art date
Application number
ZA762246A
Other languages
English (en)
Inventor
U Scata
L Luciani
P Barbe
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of ZA762246B publication Critical patent/ZA762246B/xx

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
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
ZA762246A 1975-09-19 1976-04-14 Catalysts and catalyst components for polymerizing olefin ZA762246B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT27438/75A IT1042711B (it) 1975-09-19 1975-09-19 Compnenti di catalizzatori per la polimerizzazione di olefine

Publications (1)

Publication Number Publication Date
ZA762246B true ZA762246B (en) 1977-04-27

Family

ID=11221640

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA762246A ZA762246B (en) 1975-09-19 1976-04-14 Catalysts and catalyst components for polymerizing olefin

Country Status (11)

Country Link
US (2) US4115319A (de)
AT (1) AT343892B (de)
AU (1) AU501269B2 (de)
BR (1) BR7603129A (de)
CA (1) CA1078808A (de)
ES (1) ES448086A1 (de)
FR (1) FR2324652A1 (de)
GB (1) GB1550195A (de)
IN (1) IN145461B (de)
IT (1) IT1042711B (de)
ZA (1) ZA762246B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244838A (en) 1979-06-25 1981-01-13 The Dow Chemical Company High efficiency catalyst for polymerizing olefins
US4246383A (en) 1979-06-25 1981-01-20 The Dow Chemical Company Process for polymerizing olefins in the presence of a catalyst prepared from an organomagnesium component which does not reduce TiCl4
US4426316A (en) 1982-09-10 1984-01-17 The Dow Chemical Company Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
US4434282A (en) 1982-10-04 1984-02-28 The Dow Chemical Company Process for polymerizing olefins

Families Citing this family (130)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7613855A (nl) * 1975-12-18 1977-06-21 Sumitomo Chemical Co Werkwijze voor het polymeriseren van olefinen.
JPS5948003B2 (ja) * 1976-06-02 1984-11-22 三井化学株式会社 ポリオレフイン類の製造方法
IT1068112B (it) * 1976-08-09 1985-03-21 Montedison Spa Componenti di catalizzatori per la polimerizzazione delle alfa olefine e catalizzatori da essi ottenuti
JPS58448B2 (ja) * 1976-09-27 1983-01-06 三井化学株式会社 ポリオレフインの製造方法
IT1078995B (it) * 1977-05-24 1985-05-08 Montedison Spa Catalizzatori per la polimeriazzazione di olefine
US4232138A (en) * 1977-12-19 1980-11-04 Standard Oil Company (Indiana) Olefin polymerization catalyst
IT1092448B (it) * 1978-02-09 1985-07-12 Montedison Spa Catalizzatori per la polimerizzazione delle alfa-olefine
US4258167A (en) * 1978-02-13 1981-03-24 Nissan Chemical Industries, Ltd. Process for producing powdery isotactic polyolefin
CA1104298A (en) * 1978-02-23 1981-06-30 Akinobu Shiga Catalysts for the polymerization of olefins
US4295992A (en) * 1978-06-30 1981-10-20 The Dow Chemical Company Support prepared from organomagnesium compounds and silicon halides; and catalysts for polymerizing olefins
DE2831830A1 (de) * 1978-07-20 1980-01-31 Basf Ag Verfahren zum herstellen einer komponente fuer polymerisationskatalysatoren
JPS5919566B2 (ja) * 1978-07-28 1984-05-07 東亜燃料工業株式会社 α−オレフイン重合用触媒成分の製造方法
IT1099416B (it) * 1978-10-23 1985-09-18 Montedison Spa Componenti e catalizzatori per la polimerizzazione delle olefine
IT1099805B (it) * 1978-10-26 1985-09-28 Montedison Spa Componenti e catalizzatori per la polimerizzazione delle olefine
IT1100285B (it) * 1978-11-21 1985-09-28 Euteco Spa Catalizzatori con supporti misti per la cmo- e co-polimezzazione di alfa-olefine
US4263168A (en) * 1979-01-10 1981-04-21 Imperial Chemical Industries Limited Olefine polymerization catalyst
NZ192572A (en) * 1979-01-10 1981-11-19 Ici Ltd Catalyst component and olefine polymerisation catalyst containing this component
US4252670A (en) * 1979-01-10 1981-02-24 Imperial Chemical Industries Limited Olefine polymerization catalyst
JPS5846202B2 (ja) * 1979-01-31 1983-10-14 住友化学工業株式会社 オレフィン重合体の製造法
US4324690A (en) * 1979-02-15 1982-04-13 Standard Oil Company (Indiana) Alpha-olefin polymerization catalyst
US4277370A (en) * 1979-02-15 1981-07-07 Standard Oil Company (Indiana) Alpha-olefin polymerization catalyst
JPS55115416A (en) * 1979-02-27 1980-09-05 Nippon Oil Co Ltd Manufacture of copolymer
US4283515A (en) * 1979-03-27 1981-08-11 The Dow Chemical Company Support, catalyst and process for polymerizing olefins
US4323665A (en) * 1979-04-09 1982-04-06 The Dow Chemical Co. High efficiency catalyst for polymerizing olefins
JPS55149307A (en) * 1979-04-09 1980-11-20 Idemitsu Kosan Co Ltd Ethylene polymerizing method
JPS55135105A (en) * 1979-04-10 1980-10-21 Mitsui Petrochem Ind Ltd Titanium catalyst component for olefin polymerization
DE3064564D1 (en) * 1979-04-30 1983-09-22 Shell Int Research Olefin polymerization catalyst compositions and a process for the polymerization of olefins employing such compositions
CA1141093A (en) * 1979-05-17 1983-02-08 Brian L. Goodall Olefin polymerization catalyst compositions and a process for the polymerization of olefins employing such compositions
CA1128916A (en) * 1979-06-12 1982-08-03 Ronald L. Gibbs Magnesium containing support, catalyst and process for polymerizing olefins
JPS56811A (en) * 1979-06-18 1981-01-07 Mitsui Petrochem Ind Ltd Preparation of olefin polymer or copolymer
US4366298A (en) * 1979-07-05 1982-12-28 Wacker-Chemie Gmbh Process and heavy metal catalyst for the polymerization of α-olefins, particularly polyethylene
JPS5611908A (en) * 1979-07-11 1981-02-05 Mitsui Petrochem Ind Ltd Preparation of olefin polymer
US4284739A (en) * 1979-07-27 1981-08-18 El Paso Polyolefins Company Block copolymerization process
US4330646A (en) * 1979-08-13 1982-05-18 Asahi Kasei Kogyo Kabushiki Kaisha Polymerization of an α-olefin
JPS5630407A (en) * 1979-08-22 1981-03-27 Sumitomo Chem Co Ltd Preparation of highly stereoregular alpha-olefin polymer
JPS5634707A (en) * 1979-08-30 1981-04-07 Toa Nenryo Kogyo Kk Alpha-olefin polymerization catalyst component, and its use
JPS6024805B2 (ja) * 1979-09-05 1985-06-14 日石三菱株式会社 共重合体の製法
JPS5641207A (en) * 1979-09-14 1981-04-17 Idemitsu Kosan Co Ltd Preparation of polyethylene
FR2464965B1 (fr) * 1979-09-17 1986-02-21 Hercules Inc Procede de preparation d'un composant catalyseur solide pour la polymerisation d'olefines
GB2059973B (en) * 1979-09-25 1984-05-31 Asahi Chemical Ind Process and catalyst for polymerizing an -olefin
CA1129399A (en) * 1979-09-28 1982-08-10 Hisaya Sakurai POLYMERIZATION OF .alpha.-OLEFINS
US4308369A (en) * 1979-09-28 1981-12-29 The Dow Chemical Company High efficiency catalyst for polymerizing olefins
CA1129400A (en) * 1979-09-28 1982-08-10 Masayasu Furusato PROCESS FOR POLYMERIZING .alpha.-OLEFINS
EP0026655A1 (de) * 1979-10-01 1981-04-08 Imperial Chemical Industries Plc Titan-Halogenid-Material und dessen Herstellung
JPS56116706A (en) * 1980-02-21 1981-09-12 Sumitomo Chem Co Ltd Preparation of alpha-olefin polymer
US4363902A (en) * 1980-03-17 1982-12-14 Wacker-Chemie Gmbh Process and heavy metal catalyst for the polymerization of α-olefins, particularly polyethylene
IT1141295B (it) * 1980-04-22 1986-10-01 Montedison Spa Componenti e catalizzatori per la polimerizzazione delle alfaolefine
JPS56166205A (en) * 1980-05-23 1981-12-21 Idemitsu Kosan Co Ltd Stereoregular polymerization of alpha-olefin
DE3025760A1 (de) * 1980-07-08 1982-02-04 Wacker-Chemie GmbH, 8000 München Verfahren zur polymersation von (alpha) -olefinen
JPS5718707A (en) * 1980-07-09 1982-01-30 Toa Nenryo Kogyo Kk Catalyst component for polymerizing alpha-olefin and its using method
US4334041A (en) * 1980-08-11 1982-06-08 El Paso Polyolefins Company Two-phase ethylene-propylene block copolymerization process
US4284738A (en) * 1980-08-11 1981-08-18 El Paso Polyolefins Company Ethylene-propylene block copolymerization process and product
US6777508B1 (en) 1980-08-13 2004-08-17 Basell Poliolefine Italia S.P.A. Catalysts for the polymerization of olefins
IT1209255B (it) * 1980-08-13 1989-07-16 Montedison Spa Catalizzatori per la polimerizzazione di olefine.
US4311612A (en) * 1980-08-25 1982-01-19 Standard Oil Company (Indiana) Olefin polymerization catalyst
EP0048299A1 (de) * 1980-09-23 1982-03-31 The Dow Chemical Company Hochleistungskatalysator und Polymerisation von Olefinen
CA1159198A (en) * 1980-09-29 1983-12-20 Akinobu Shiga PROCESS FOR PRODUCING HIGHLY STEREOREGULA .alpha.-OLEFIN POLYMERS
US4496660A (en) * 1980-10-01 1985-01-29 The Dow Chemical Company Catalyst prepared from organo-magnesium compound; oxygen- or nitrogen-containing compound; halide source; transition metal compound and reducing agent
US4308357A (en) * 1980-10-20 1981-12-29 El Paso Polyolefins Company Block copolymerization process and product
JPS5792006A (en) * 1980-11-28 1982-06-08 Toa Nenryo Kogyo Kk Solid containing magnesium
US4394291A (en) * 1981-03-04 1983-07-19 Phillips Petroleum Company Polyolefin polymerization process and catalyst
US4442277A (en) * 1981-03-09 1984-04-10 Phillips Petroleum Company Process and catalyst for olefin polymerization
US4396747A (en) * 1981-05-22 1983-08-02 Phillips Petroleum Company Zirconium-titanium catalyzed olefin polymerization
US4361685A (en) * 1981-06-01 1982-11-30 The Dow Chemical Company Polymerization of olefins in the presence of catalyst prepared from organo zirconium-chromium mixtures
US4530912A (en) * 1981-06-04 1985-07-23 Chemplex Company Polymerization catalyst and method
JPS57205409A (en) * 1981-06-11 1982-12-16 Toyo Sutoufuaa Chem:Kk Catalytic component for alpha-olefin polymerization and homopolymerization or copolymerization of alpha-olefin
JPS57205407A (en) * 1981-06-11 1982-12-16 Toyo Sutoufuaa Chem:Kk Catalytic component for alpha-olefin polymerization and homopolymerization or copolymerization of alpha-olefin
JPS57205406A (en) * 1981-06-11 1982-12-16 Toyo Sutoufuaa Chem:Kk Catalytic component for alpha-olefin polymerization and homopolymerization or copolymerization of alpha-olefin
JPS57205408A (en) * 1981-06-11 1982-12-16 Toyo Sutoufuaa Chem:Kk Catalytic component for alpha-olefin polymerization and homopolymerization or copolymerization of alpha-olefin
FR2509735A1 (fr) * 1981-07-20 1983-01-21 Charbonnages Ste Chimique Catalyseur halogene comprenant un metal de transition et du magnesium, son procede de preparation et son application a la polymerisation de l'ethylene
FR2510586A1 (fr) * 1981-07-30 1983-02-04 Charbonnages Ste Chimique Catalyseur homogene comprenant un metal de transition et du magnesium, son procede de preparation et son application a la polymerisation de l'ethylene
JPS5853905A (ja) * 1981-09-29 1983-03-30 Toa Nenryo Kogyo Kk オレフイン重合用触媒成分
DE3274246D1 (en) * 1981-12-17 1987-01-02 Ici Plc Catalyst composition, production and use
US4544647A (en) * 1982-07-29 1985-10-01 The Dow Chemical Company Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
US4529715A (en) * 1983-10-17 1985-07-16 The Dow Chemical Company Catalyst prepared from organomagnesium compound, carbon dioxide, reducing aluminum source, transition metal compound and zinc compound
US4554321A (en) * 1982-08-12 1985-11-19 Shell Oil Company Film compositions of butene polymers
US4604374A (en) * 1982-09-20 1986-08-05 The Dow Chemical Company Catalyst prepared from organomagnesium compound, epihalohydrin reducing halide source and transition metal compound
US4605715A (en) * 1982-09-20 1986-08-12 The Dow Chemical Company Process for polymerizing olefins in the presence of a catalyst prepared from organomagnesium compound, epihalohydrin reducing halide source and transition metal compound
US4699961A (en) * 1982-09-30 1987-10-13 E. I. Du Pont De Nemours & Co. High efficiency catalysts for varying olefin polymer molecular weight distribution
US4456547A (en) * 1982-10-21 1984-06-26 Fuentes Jr Ricardo Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and complex formed from admixture of a transition metal compound and an organozinc compound
JPS5991107A (ja) * 1982-11-17 1984-05-25 Toho Titanium Co Ltd オレフイン類重合用触媒成分の製造方法
DE3373482D1 (en) * 1982-12-28 1987-10-15 Toa Nenryo Kogyo Kk Catalyst component for polymerization of olefins
US4707530A (en) * 1983-01-31 1987-11-17 Exxon Research & Engineering Co. Polymerization catalyst
JPS6049004A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
US4625003A (en) * 1983-08-30 1986-11-25 Toa Nenryo Kogyo Kabushiki Kaisha Catalyst component for polymerization of olefins (P-1026)
JPS6049006A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
JPS6049007A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
JPS6049005A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
US4535068A (en) * 1983-09-20 1985-08-13 Shell Oil Company Olefin polymerization catalyst compositions and polymerization process
US4497905A (en) * 1983-10-13 1985-02-05 Shell Oil Company Olefin polymerization catalyst compositions and polymerization process
IN163585B (de) * 1983-09-20 1988-10-15 Shell Int Research
AU566121B2 (en) * 1983-10-25 1987-10-08 Montell Technology Company B.V. Catalytic polymerization of propylene
JPS60115603A (ja) * 1983-11-29 1985-06-22 Toa Nenryo Kogyo Kk オレフインの重合方法
US5006619A (en) * 1984-02-27 1991-04-09 Quantum Chemical Corporation Polymerization catalyst and method
JPH062772B2 (ja) * 1984-02-28 1994-01-12 東燃株式会社 オレフイン重合用触媒成分の製造方法
US4544646A (en) * 1984-03-16 1985-10-01 Chemplex Company Olefin polymerization catalyst and method
US4618662A (en) * 1984-04-23 1986-10-21 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
JPH0655782B2 (ja) * 1984-07-31 1994-07-27 東燃株式会社 オレフイン重合用触媒成分
JPH0665687B2 (ja) * 1984-09-13 1994-08-24 日産化学工業株式会社 改良されたエチレンの重合もしくは共重合方法
GB8513000D0 (en) * 1985-05-22 1985-06-26 Shell Int Research Removing contaminants from liquid tici4 phase
GB8521431D0 (en) * 1985-08-28 1985-10-02 Shell Int Research Spherical magnesium alkoxide particles
US4661465A (en) * 1985-10-31 1987-04-28 The Dow Chemical Company Method for preparing transition metal component of Ziegler-Natta catalysts
US4855371A (en) * 1986-06-18 1989-08-08 Shell Oil Company Process for polymerizing olefins with a crystalline magnesium catalyst component
US5225385A (en) * 1988-08-26 1993-07-06 Shell Oil Company Solid alkene polymerization catalyst components and process for their preparation
DE3829519A1 (de) * 1988-08-31 1990-03-01 Basf Ag Verfahren zum herstellen von homo- und copolymerisaten des propens mittels eines ziegler-natta-katalysatorsystems
US5036147A (en) * 1989-06-30 1991-07-30 Quantum Chemical Corporation Propylene polymerization method
US4968653A (en) * 1989-06-30 1990-11-06 Quantum Chemical Corporation Propylene polymerization catalyst
US5198563A (en) * 1989-08-10 1993-03-30 Phillips Petroleum Company Chromium compounds and uses thereof
US5114897A (en) * 1990-04-18 1992-05-19 The Dow Chemical Company Catalyst and process for polymerizing olefins
US5045612A (en) * 1990-04-18 1991-09-03 The Dow Chemical Company Catalyst and process for polymerizing olefins
DE4306382A1 (de) * 1993-03-02 1994-09-08 Hoechst Ag Verfahren zur Herstellung eines Poly-1-olefins
FI98916C (fi) * 1994-03-24 1997-09-10 Borealis Polymers Oy Menetelmä eteenin ja -olefiinin kopolymeroimiseksi
JP3823429B2 (ja) 1996-06-28 2006-09-20 住友化学株式会社 触媒系及びオレフィンの反応方法
US6153551A (en) 1997-07-14 2000-11-28 Mobil Oil Corporation Preparation of supported catalyst using trialkylaluminum-metallocene contact products
EP2113520B1 (de) * 2001-11-01 2015-10-07 Idemitsu Kosan Co., Ltd. Feststoffkatalysatorkomponente zur olefinpolymerisation, katalysator zur olefinpolymerisation und verfahren zur herstellung eines olefinpolymers
AT410807B (de) 2002-02-12 2003-08-25 Huyck Austria Siebband für entwässerungsmaschinen
CA2478105A1 (en) * 2002-03-04 2003-09-12 Akzo Nobel Nv Treatment of a titanium tetrachloride-containing waste stream
CA2488140A1 (en) 2002-06-14 2003-12-24 Union Carbide Chemicals & Plastics Technology Corporation Catalyst composition and polymerization process using mixtures of selectivity control agents
US6657024B1 (en) 2002-09-03 2003-12-02 Fina Technology, Inc. Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins
WO2005005489A1 (en) * 2003-06-24 2005-01-20 Union Carbide Chemicals & Plastics Technology Corporation Catalyst composition and polymerization process using mixture of silane electron donors
US7078468B2 (en) * 2003-06-27 2006-07-18 Fina Technology, Inc. Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene
EP1668046B8 (de) * 2003-09-23 2021-04-21 W.R. Grace & CO. - CONN. Selbstlimitierende katalysatorzusammensetzung und propylenpolymerisationsverfahren
JP2007505983A (ja) * 2003-09-23 2007-03-15 ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレイション 混合された選択性制御剤を有する触媒組成物、及びプロピレン重合方法
RU2345094C2 (ru) * 2003-09-23 2009-01-27 Дау Глобал Текнолоджиз Инк. Композиция катализатора с самоограничением реакции, включающая внутренний донор в виде сложного эфира дикарбоновой кислоты, и способ полимеризации пропилена
WO2005035597A1 (en) * 2003-09-23 2005-04-21 Dow Global Technologies Inc. Catalyst composition for ethylene polymerization
PL379383A1 (pl) * 2003-09-23 2006-09-04 Dow Global Technologies Inc. Kompozycja katalityczna z estrem kwasu monokarboksylowego jako donorem wewnętrznym oraz sposób polimeryzacji propylenu
WO2005035594A1 (en) * 2003-09-23 2005-04-21 Union Carbide Chemicals & Plastics Technology Corporation Self-extiguishing catalyst compostion with monocarboxylic acid ester internal donor and propylene polymerization process
EP1778782B1 (de) * 2004-08-18 2009-02-25 Basell Poliolefine Italia S.r.l. Verfahren zur herstellung von hellem polypropylen basierend auf streckblasgeformten behältern mit verbesserten infrarot-aufwärmraten
DE602005012113D1 (de) * 2004-08-18 2009-02-12 Basell Poliolefine Srl Streckblasgeformte behälter aus metallocen-propylenpolymer-zusammensetzungen
EP2097459A1 (de) * 2006-12-29 2009-09-09 Fina Technology, Inc. Succinat-haltiges polymerisierungskatalysatorsystem mit n-butylmethyldimethoxysilan zur herstellung von für polypropylen-folien geeigneten harzen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644318A (en) * 1968-08-21 1972-02-22 Hoechst Ag Process for the polymerization of olefins
DE2043508A1 (de) * 1970-09-02 1972-03-16 Farbwerke Hoechst AG, vorm. Meister Lucius & Brüning, 6000 Frankfurt Verfahren zur Herstellung von Polyolefinen
US3989880A (en) * 1971-02-18 1976-11-02 Solvay & Cie Catalyst and process for the polymerization of olefins
BE785673A (fr) * 1971-06-30 1973-01-02 Naphtachimie Sa Catalyseurs de polymerisation des olefines prepares a partir decomposesorganomagnesiens
US3819599A (en) * 1972-05-31 1974-06-25 Standard Oil Co Catalyst and process for the polymerization of ethylene and terminal olefins

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244838A (en) 1979-06-25 1981-01-13 The Dow Chemical Company High efficiency catalyst for polymerizing olefins
US4246383A (en) 1979-06-25 1981-01-20 The Dow Chemical Company Process for polymerizing olefins in the presence of a catalyst prepared from an organomagnesium component which does not reduce TiCl4
US4426316A (en) 1982-09-10 1984-01-17 The Dow Chemical Company Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
US4434282A (en) 1982-10-04 1984-02-28 The Dow Chemical Company Process for polymerizing olefins

Also Published As

Publication number Publication date
FR2324652B1 (de) 1980-04-18
FR2324652A1 (fr) 1977-04-15
USRE31099E (en) 1982-12-07
IT1042711B (it) 1980-01-30
IN145461B (de) 1978-10-14
US4115319A (en) 1978-09-19
AT343892B (de) 1978-06-26
CA1078808A (en) 1980-06-03
BR7603129A (pt) 1977-11-22
ATA358676A (de) 1977-10-15
ES448086A1 (es) 1977-07-01
GB1550195A (en) 1979-08-08
AU1306976A (en) 1977-10-20
AU501269B2 (en) 1979-06-14

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