IT1209255B - Catalizzatori per la polimerizzazione di olefine. - Google Patents

Catalizzatori per la polimerizzazione di olefine.

Info

Publication number
IT1209255B
IT1209255B IT8024141A IT2414180A IT1209255B IT 1209255 B IT1209255 B IT 1209255B IT 8024141 A IT8024141 A IT 8024141A IT 2414180 A IT2414180 A IT 2414180A IT 1209255 B IT1209255 B IT 1209255B
Authority
IT
Italy
Prior art keywords
olefine
catalysts
polymerization
Prior art date
Application number
IT8024141A
Other languages
English (en)
Other versions
IT8024141A0 (it
Inventor
Parodi Sandro
Nocci Roberto
Giannini Umberto
Barbe Pier Camillo
Scata Umberto
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11212191&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1209255(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Montedison Spa filed Critical Montedison Spa
Priority to IT8024141A priority Critical patent/IT1209255B/it
Publication of IT8024141A0 publication Critical patent/IT8024141A0/it
Priority to NO812676A priority patent/NO160303C/no
Priority to NO812677A priority patent/NO159283C/no
Priority to FI812442A priority patent/FI70030C/fi
Priority to FI812441A priority patent/FI70029C/fi
Priority to DK349681A priority patent/DK160256C/da
Priority to DK349781A priority patent/DK164878C/da
Priority to FI812440A priority patent/FI70028C/fi
Priority to DK349881A priority patent/DK163248C/da
Priority to NO812675A priority patent/NO159282C/no
Priority to PH26022A priority patent/PH17760A/en
Priority to PH26023A priority patent/PH17748A/en
Priority to SU813389099A priority patent/SU1457813A3/ru
Priority to PH26024A priority patent/PH17763A/en
Priority to PT73501A priority patent/PT73501A/pt
Priority to PT73500A priority patent/PT73500A/pt
Priority to ZA815487A priority patent/ZA815487B/xx
Priority to ZA815496A priority patent/ZA815496B/xx
Priority to PT73499A priority patent/PT73499B/pt
Priority to ZA815491A priority patent/ZA815491B/xx
Priority to PL1981232574A priority patent/PL139915B1/pl
Priority to IN894/CAL/81A priority patent/IN154219B/en
Priority to AU73973/81A priority patent/AU557334B2/en
Priority to IN893/CAL/81A priority patent/IN155867B/en
Priority to PL1981232575A priority patent/PL140238B1/pl
Priority to PL1981232576A priority patent/PL140239B1/pl
Priority to AR81286397A priority patent/AR244254A1/es
Priority to AU73972/81A priority patent/AU552621B2/en
Priority to AU73971/81A priority patent/AU559388B2/en
Priority to IN892/CAL/81A priority patent/IN154898B/en
Priority to SU3397401A priority patent/RU2111975C1/ru
Priority to YU1959/81A priority patent/YU42419B/xx
Priority to ES504716A priority patent/ES8300795A1/es
Priority to BR8105190A priority patent/BR8105190A/pt
Priority to CS816045A priority patent/CS226436B2/cs
Priority to ES504715A priority patent/ES8300794A1/es
Priority to CS816046A priority patent/CS226437B2/cs
Priority to HU812342A priority patent/HU186400B/hu
Priority to YU1958/81A priority patent/YU42418B/xx
Priority to HU812341A priority patent/HU186397B/hu
Priority to YU1957/81A priority patent/YU42579B/xx
Priority to HU812342A priority patent/HU186399B/hu
Priority to CA000383709A priority patent/CA1174225A/en
Priority to BR8105189A priority patent/BR8105189A/pt
Priority to MX188712A priority patent/MX159066A/es
Priority to BR8105185A priority patent/BR8105185A/pt
Priority to MX188711A priority patent/MX159151A/es
Priority to CA000383700A priority patent/CA1185961A/en
Priority to SU813450787A priority patent/SU1568890A3/ru
Priority to CA000383747A priority patent/CA1185960A/en
Priority to MX188710A priority patent/MX159065A/es
Priority to ES504717A priority patent/ES8300796A1/es
Priority to JP56126026A priority patent/JPS5763311A/ja
Priority to EP81106301A priority patent/EP0045977B2/en
Priority to DE8181106299T priority patent/DE3177032D1/de
Priority to JP56126025A priority patent/JPS5763310A/ja
Priority to DE8181106300T priority patent/DE3177124D1/de
Priority to AT86112847T priority patent/ATE68794T1/de
Priority to AT81106301T priority patent/ATE24731T1/de
Priority to AT81106299T priority patent/ATE42311T1/de
Priority to DE8686112847T priority patent/DE3177262D1/de
Priority to KR1019810002944A priority patent/KR840000804B1/ko
Priority to KR1019810002942A priority patent/KR840000802B1/ko
Priority to KR1019810002943A priority patent/KR840000803B1/ko
Priority to JP56126027A priority patent/JPS5763312A/ja
Priority to EP86112847A priority patent/EP0223010B1/en
Priority to EP81106299A priority patent/EP0045975B1/en
Priority to DE8181106301T priority patent/DE3175804D1/de
Priority to AT81106300T priority patent/ATE48144T1/de
Priority to EP81106300A priority patent/EP0045976B2/en
Priority to SG330/87A priority patent/SG33087G/en
Application granted granted Critical
Publication of IT1209255B publication Critical patent/IT1209255B/it
Priority to JP2217248A priority patent/JPH03115310A/ja
Priority to JP3171823A priority patent/JPH0670097B2/ja
Priority to JP3171844A priority patent/JPH075662B2/ja
Priority to JP6025984A priority patent/JP2500297B2/ja
Priority to JP6025986A priority patent/JP2500298B2/ja
Priority to JP6174845A priority patent/JP2647626B2/ja
Priority to JP6174844A priority patent/JP2647625B2/ja
Priority to US08/291,081 priority patent/US6777508B1/en
Priority to US08/371,048 priority patent/US6515085B1/en
Priority to US08/439,678 priority patent/US5539067A/en
Priority to US08/469,734 priority patent/US5618771A/en
Priority to US08/469,735 priority patent/US6194342B1/en
Priority to JP8214949A priority patent/JP2749799B2/ja
Priority to HRP-1957/81A priority patent/HRP970576B1/xx
Priority to HRP-1958/81A priority patent/HRP970574B1/xx
Priority to HRP-1959/81A priority patent/HRP970575B1/xx

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
    • 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
    • C08F4/02—Carriers therefor
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT8024141A 1980-08-13 1980-08-13 Catalizzatori per la polimerizzazione di olefine. IT1209255B (it)

Priority Applications (87)

Application Number Priority Date Filing Date Title
IT8024141A IT1209255B (it) 1980-08-13 1980-08-13 Catalizzatori per la polimerizzazione di olefine.
NO812676A NO160303C (no) 1980-08-13 1981-08-06 Polymeriseringskatalysator, katalysatorbestanddel for fremstilling av katalysatoren og anvendelse av katalysatoren.
NO812677A NO159283C (no) 1980-08-13 1981-08-06 Polymeriseringskatalysator, og fast katalysatorbestanddelfor anvendelse ved fremstilling av katalysatoren.
FI812442A FI70030C (fi) 1980-08-13 1981-08-06 Fast komponent och foerfarande foer framstaellning av katalysator som innehaoller fast komponent foer polymerisering av aominstone 3 kolatomer innehaollande alfa-olefiner
FI812441A FI70029C (fi) 1980-08-13 1981-08-06 Fast komponent och katalysatorer innehaollande den fasta komponenten och laempliga foer stereospecifik polymerisering av alfaolefiner med aotminstone 3 kolatomer
DK349681A DK160256C (da) 1980-08-13 1981-08-06 Katalysator til polymerisation af alfa-olefiner samt katalysatorbestanddel til anvendelse ved fremstilling af denne
DK349781A DK164878C (da) 1980-08-13 1981-08-06 Fast katalysatorkomponent og katalysator til brug ved polymerisation af alfa-olefiner samt anvendelse af katalysatoren
FI812440A FI70028C (fi) 1980-08-13 1981-08-06 Fast komponent och katalysatorer innehaollande den fasta komponenten och laempliga foerstereospecifik polymerisering av alaolefiner med aotminstone 3 kolatomer
DK349881A DK163248C (da) 1980-08-13 1981-08-06 Katalysator til polymerisation af alfa-olefiner samt katalysatorbestanddel til anvendelse af en fast komponent ved fremstilling af denne
NO812675A NO159282C (no) 1980-08-13 1981-08-06 Polymeriseringskatalysator, og katalysatorbestanddel for anvendelse ved fremstilling av katalysatoren.
PH26022A PH17760A (en) 1980-08-13 1981-08-07 Components and catalyst for the polymerization of olefins
PH26023A PH17748A (en) 1980-08-13 1981-08-07 Components and catalyst for the polymerization of olefins
SU813389099A SU1457813A3 (ru) 1980-08-13 1981-08-07 Способ получени полипропилена
PH26024A PH17763A (en) 1980-08-13 1981-08-07 Components and catalysts for the polymerization of olefins
PT73501A PT73501A (en) 1980-08-13 1981-08-10 Components and catalysts for the polymerization of olefines
PT73500A PT73500A (en) 1980-08-13 1981-08-10 Components and catalysts for the polymerization of olefines
ZA815487A ZA815487B (en) 1980-08-13 1981-08-10 Gomponents and catalysts for the polymerization of olefins
ZA815496A ZA815496B (en) 1980-08-13 1981-08-10 Components and catalysts for the polymerization of olefins
PT73499A PT73499B (en) 1980-08-13 1981-08-10 Components and catalysts for the polimerization of olefines
ZA815491A ZA815491B (en) 1980-08-13 1981-08-10 Components and catalysts for the polymerization of olefins
PL1981232574A PL139915B1 (en) 1980-08-13 1981-08-11 Method of obtaining a catalyst for polymerisation of alpha olefines
IN894/CAL/81A IN154219B (it) 1980-08-13 1981-08-11
AU73973/81A AU557334B2 (en) 1980-08-13 1981-08-11 Polypropylene forming catalysts
IN893/CAL/81A IN155867B (it) 1980-08-13 1981-08-11
PL1981232575A PL140238B1 (en) 1980-08-13 1981-08-11 Method of obtaining a catalyst for polymerization of alpha-olefines
PL1981232576A PL140239B1 (en) 1980-08-13 1981-08-11 Method of obtaining a catalyst for polymerization of alpha-olefines
AR81286397A AR244254A1 (es) 1980-08-13 1981-08-11 Componentes solidos y catalizadores para la polimerizacion de olefinas, y procedimiento de polimerizacion que utiliza a dichos catalizadores.
AU73972/81A AU552621B2 (en) 1980-08-13 1981-08-11 Polypropylene forming catalysts
AU73971/81A AU559388B2 (en) 1980-08-13 1981-08-11 Polypropylene forming catalysts
IN892/CAL/81A IN154898B (it) 1980-08-13 1981-08-11
SU3397401A RU2111975C1 (ru) 1980-08-13 1981-08-12 Способ получения полипропилена
YU1959/81A YU42419B (en) 1980-08-13 1981-08-12 Process for preparing catalysts for the polymerization of alpha-olefines
ES504716A ES8300795A1 (es) 1980-08-13 1981-08-12 Procedimiento para la preparacion de catalizadores para la polimerizacion de alfa-olefinas
BR8105190A BR8105190A (pt) 1980-08-13 1981-08-12 Componente catalitico solido,catalisador para a polimerizacao de alfa-olefinas,processo para a polimerizacao de alfa-olefinas e polimeros obtidos
CS816045A CS226436B2 (en) 1980-08-13 1981-08-12 Method of preparing catalysts of stereoregular alpha-olefin polymerization
ES504715A ES8300794A1 (es) 1980-08-13 1981-08-12 Procedimiento para la preparacion de catalizadores para la polimerizacion de alfa-olefinas
CS816046A CS226437B2 (en) 1980-08-13 1981-08-12 Method of preparing catalysts of stereoregular alpha-olefin polymerization
HU812342A HU186400B (en) 1980-08-13 1981-08-12 Catalyst components and catalysts for the polimerization of olefines
YU1958/81A YU42418B (en) 1980-08-13 1981-08-12 Process for preparing catalysts for the polymerization of alpha-olefines
HU812341A HU186397B (en) 1980-08-13 1981-08-12 Catalysts and components of catalysts for polimerizing olefines
YU1957/81A YU42579B (en) 1980-08-13 1981-08-12 Process for preparing catalysts for the polymerization of alpha-olefines
HU812342A HU186399B (en) 1980-08-13 1981-08-12 Process for producing catalysts suitable for the polymerization of olefins
CA000383709A CA1174225A (en) 1980-08-13 1981-08-12 Components and catalysts for the polymerization of olefines
BR8105189A BR8105189A (pt) 1980-08-13 1981-08-12 Componente catalitico solido,catalisadores e processo para a polimerizacao de alfa-olefinas e polimeros obtidos
MX188712A MX159066A (es) 1980-08-13 1981-08-12 Componente solido para utilizarse en combinacion con un compuesto de al-alquilo para formar catalizadores para la polimerizacion de alfa-olefinas y procedimiento para la obtencion de las mismas
BR8105185A BR8105185A (pt) 1980-08-13 1981-08-12 Componente catalitico solido,catalisador para a polimerizacao de alfa-olefinas,processo para a polimerizacao de alfa-olefinas e polimeros obtidos
MX188711A MX159151A (es) 1980-08-13 1981-08-12 Composicion catalitica mejorada para la polimerizacion de alfa olefinas
CA000383700A CA1185961A (en) 1980-08-13 1981-08-12 Components and catalysts for the polymerization of olefines
SU813450787A SU1568890A3 (ru) 1980-08-13 1981-08-12 Cпocoб пoлучehия пoлипpoпилeha
CA000383747A CA1185960A (en) 1980-08-13 1981-08-12 Components and catalysts for the polymerization of olefines
MX188710A MX159065A (es) 1980-08-13 1981-08-12 Componentes solido para utilizarse en combinacion con un compuesto de al-alquilo y un compuesto de silicio para formar catalizador para la polimerizacion de alfa-olefinas y procedimiento para obtener a las mismas
ES504717A ES8300796A1 (es) 1980-08-13 1981-08-12 Procedimiento para la preparacion de catalizadores para la polimerizacion de alfa-olefinas
JP56126026A JPS5763311A (en) 1980-08-13 1981-08-13 Ingredient and catalyst for olefin polymerization
EP81106301A EP0045977B2 (en) 1980-08-13 1981-08-13 Components and catalysts for the polymerization of olefins
DE8181106299T DE3177032D1 (en) 1980-08-13 1981-08-13 Components and catalysts for the polymerization of olefins
JP56126025A JPS5763310A (en) 1980-08-13 1981-08-13 Ingredient and catalyst for olefin polymerization
DE8181106300T DE3177124D1 (en) 1980-08-13 1981-08-13 Components and catalysts for the polymerization of olefins
AT86112847T ATE68794T1 (de) 1980-08-13 1981-08-13 Katalysator fuer olefinpolymerisation.
AT81106301T ATE24731T1 (de) 1980-08-13 1981-08-13 Komponenten und katalysatoren zur polymerisation von olefinen.
AT81106299T ATE42311T1 (de) 1980-08-13 1981-08-13 Komponenten und katalysatoren zur polymerisation von olefinen.
DE8686112847T DE3177262D1 (de) 1980-08-13 1981-08-13 Katalysator fuer olefinpolymerisation.
KR1019810002944A KR840000804B1 (ko) 1980-08-13 1981-08-13 올레핀 중합용 촉매조성물
KR1019810002942A KR840000802B1 (ko) 1980-08-13 1981-08-13 올레핀 중합용 촉매조성물
KR1019810002943A KR840000803B1 (ko) 1980-08-13 1981-08-13 올레핀 중합용 촉매조성물
JP56126027A JPS5763312A (en) 1980-08-13 1981-08-13 Ingredient and catalyst for olefin polymerization
EP86112847A EP0223010B1 (en) 1980-08-13 1981-08-13 Catalysts for the polymerization of olefins
EP81106299A EP0045975B1 (en) 1980-08-13 1981-08-13 Components and catalysts for the polymerization of olefins
DE8181106301T DE3175804D1 (en) 1980-08-13 1981-08-13 Components and catalysts for the polymerization of olefins
AT81106300T ATE48144T1 (de) 1980-08-13 1981-08-13 Komponenten und katalysatoren zur polymerisation von olefinen.
EP81106300A EP0045976B2 (en) 1980-08-13 1981-08-13 Components and catalysts for the polymerization of olefins
SG330/87A SG33087G (en) 1980-08-13 1987-04-10 Components and catalysts for the polymerization of olefins
JP2217248A JPH03115310A (ja) 1980-08-13 1990-08-20 オレフインの重合用の成分及び触媒
JP3171823A JPH0670097B2 (ja) 1980-08-13 1991-06-18 オレフイン重合用の固体触媒成分及び触媒
JP3171844A JPH075662B2 (ja) 1980-08-13 1991-06-18 オレフイン重合用の触媒成分及び触媒
JP6025984A JP2500297B2 (ja) 1980-08-13 1994-01-31 オレフインの重合用の触媒
JP6025986A JP2500298B2 (ja) 1980-08-13 1994-01-31 オレフインの重合用の固体触媒成分
JP6174845A JP2647626B2 (ja) 1980-08-13 1994-07-05 オレフインの重合用触媒成分
JP6174844A JP2647625B2 (ja) 1980-08-13 1994-07-05 オレフインの重合用触媒
US08/291,081 US6777508B1 (en) 1980-08-13 1994-08-17 Catalysts for the polymerization of olefins
US08/371,048 US6515085B1 (en) 1980-08-13 1995-01-10 Components and catalysts for the polymerization of olefins
US08/439,678 US5539067A (en) 1980-08-13 1995-05-12 Components and catalysts for the polymerization of olefins
US08/469,734 US5618771A (en) 1980-08-13 1995-06-06 Components and catalysts for the polymerization of olefins
US08/469,735 US6194342B1 (en) 1980-08-13 1995-06-06 Components and catalysts for the polymerization of olefins
JP8214949A JP2749799B2 (ja) 1980-08-13 1996-07-29 オレフインの重合用の固体触媒成分
HRP-1957/81A HRP970576B1 (en) 1980-08-13 1997-10-29 Process for the preparation of catalysts for the polimerization of alpha olefins
HRP-1958/81A HRP970574B1 (en) 1980-08-13 1997-10-29 Process for the preparation of catalysts for the polymerization of alpha olefins
HRP-1959/81A HRP970575B1 (en) 1980-08-13 1997-10-29 Process for the preparation of catalysts for the polymerization of alpha olefins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8024141A IT1209255B (it) 1980-08-13 1980-08-13 Catalizzatori per la polimerizzazione di olefine.

Publications (2)

Publication Number Publication Date
IT8024141A0 IT8024141A0 (it) 1980-08-13
IT1209255B true IT1209255B (it) 1989-07-16

Family

ID=11212191

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8024141A IT1209255B (it) 1980-08-13 1980-08-13 Catalizzatori per la polimerizzazione di olefine.

Country Status (27)

Country Link
US (4) US6515085B1 (it)
EP (4) EP0045975B1 (it)
JP (11) JPS5763310A (it)
KR (3) KR840000803B1 (it)
AR (1) AR244254A1 (it)
AT (4) ATE24731T1 (it)
AU (3) AU552621B2 (it)
BR (3) BR8105190A (it)
CA (3) CA1174225A (it)
CS (2) CS226436B2 (it)
DE (4) DE3177032D1 (it)
DK (3) DK164878C (it)
ES (3) ES8300794A1 (it)
FI (3) FI70029C (it)
HU (3) HU186399B (it)
IN (3) IN154898B (it)
IT (1) IT1209255B (it)
MX (3) MX159151A (it)
NO (3) NO160303C (it)
PH (3) PH17760A (it)
PL (3) PL140238B1 (it)
PT (3) PT73499B (it)
RU (1) RU2111975C1 (it)
SG (1) SG33087G (it)
SU (2) SU1457813A3 (it)
YU (3) YU42418B (it)
ZA (3) ZA815491B (it)

Families Citing this family (605)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
YU35844B (en) * 1968-11-25 1981-08-31 Montedison Spa Process for obtaining catalysts for the polymerization of olefines
IT1209255B (it) 1980-08-13 1989-07-16 Montedison Spa Catalizzatori per la polimerizzazione di olefine.
US6777508B1 (en) 1980-08-13 2004-08-17 Basell Poliolefine Italia S.P.A. Catalysts for the polymerization of olefins
JPS57182304A (en) * 1981-05-07 1982-11-10 Nippon Oil Co Ltd Production of polyolefin
JPS5834810A (ja) * 1981-08-25 1983-03-01 Nippon Oil Co Ltd ポリオレフインの製造方法
FR2512033B1 (fr) * 1981-08-25 1986-02-21 Nippon Oil Co Ltd Procede pour la fabrication de poly-olefines
JPS5859205A (ja) * 1981-10-05 1983-04-08 Mitsubishi Chem Ind Ltd オレフイン重合体の製造法
IT1140221B (it) * 1981-10-14 1986-09-24 Montedison Spa Composizioni polipropileniche aventi migliorate caratteristiche di resistenza all'urto alle basse temperature e procedimento di preparazione
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