DE4119343A1 - Isolierbares, getraegertes katalysatorsystem zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alk-1-enen - Google Patents

Isolierbares, getraegertes katalysatorsystem zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alk-1-enen

Info

Publication number
DE4119343A1
DE4119343A1 DE4119343A DE4119343A DE4119343A1 DE 4119343 A1 DE4119343 A1 DE 4119343A1 DE 4119343 A DE4119343 A DE 4119343A DE 4119343 A DE4119343 A DE 4119343A DE 4119343 A1 DE4119343 A1 DE 4119343A1
Authority
DE
Germany
Prior art keywords
down arrow
catalyst systems
alk
polymerization
metals
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.)
Withdrawn
Application number
DE4119343A
Other languages
German (de)
English (en)
Inventor
Rueger Dr Schlund
Bernhard Dr Rieger
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.)
BASF SE
Original Assignee
BASF SE
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=6433761&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE4119343(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Priority to DE4119343A priority Critical patent/DE4119343A1/de
Priority to EP92108558A priority patent/EP0518092B1/de
Priority to ES92108558T priority patent/ES2112873T3/es
Priority to DE59209223T priority patent/DE59209223D1/de
Priority to JP13057392A priority patent/JP3963489B2/ja
Priority to US07/894,128 priority patent/US6152543A/en
Publication of DE4119343A1 publication Critical patent/DE4119343A1/de
Withdrawn legal-status Critical Current

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
    • 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
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/639Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/63912Component covered by group C08F4/62 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • 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
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/639Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/63916Component covered by group C08F4/62 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/639Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/6392Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/63922Component covered by group C08F4/62 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
    • C08F4/63927Component covered by group C08F4/62 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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943Polymerization with metallocene catalysts

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)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
DE4119343A 1991-06-12 1991-06-12 Isolierbares, getraegertes katalysatorsystem zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alk-1-enen Withdrawn DE4119343A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE4119343A DE4119343A1 (de) 1991-06-12 1991-06-12 Isolierbares, getraegertes katalysatorsystem zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alk-1-enen
EP92108558A EP0518092B1 (de) 1991-06-12 1992-05-21 Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen
ES92108558T ES2112873T3 (es) 1991-06-12 1992-05-21 Sistema catalizador aislable, soportado, para la polimerizacion de alq-1-enos de 2 a 10 atomos de carbono.
DE59209223T DE59209223D1 (de) 1991-06-12 1992-05-21 Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen
JP13057392A JP3963489B2 (ja) 1991-06-12 1992-05-22 炭素数2から10個のアルケン−1の重合に適する分離可能の触媒組成物
US07/894,128 US6152543A (en) 1991-06-12 1992-06-04 Isolatable catalyst system suitable for the polymerization of C2 -C10 -alk-1-enes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4119343A DE4119343A1 (de) 1991-06-12 1991-06-12 Isolierbares, getraegertes katalysatorsystem zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alk-1-enen

Publications (1)

Publication Number Publication Date
DE4119343A1 true DE4119343A1 (de) 1992-12-17

Family

ID=6433761

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4119343A Withdrawn DE4119343A1 (de) 1991-06-12 1991-06-12 Isolierbares, getraegertes katalysatorsystem zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alk-1-enen
DE59209223T Expired - Fee Related DE59209223D1 (de) 1991-06-12 1992-05-21 Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59209223T Expired - Fee Related DE59209223D1 (de) 1991-06-12 1992-05-21 Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen

Country Status (5)

Country Link
US (1) US6152543A (enExample)
EP (1) EP0518092B1 (enExample)
JP (1) JP3963489B2 (enExample)
DE (2) DE4119343A1 (enExample)
ES (1) ES2112873T3 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548288A1 (de) * 1995-12-22 1997-06-26 Hoechst Ag Geträgertes Katalysatorsystem, Verfahren zu seiner Herstellung und seine Verwendung zur Polymerisation von Olefinen

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW309523B (enExample) * 1991-11-30 1997-07-01 Hoechst Ag
FI112233B (fi) * 1992-04-01 2003-11-14 Basell Polyolefine Gmbh Katalyytti olefiinipolymerointia varten, menetelmä sen valmistamiseksi ja sen käyttö
US5240894A (en) * 1992-05-18 1993-08-31 Exxon Chemical Patents Inc. Method for making and using a supported metallocene catalyst system
DE4242486A1 (de) * 1992-12-16 1994-06-23 Basf Ag Propylen-Homopolymere
CA2163789C (en) * 1993-05-25 2006-10-24 Terry John Burkhardt Supported metallocene catalyst systems for the polymerization of olefins, preparation and use thereof
IT1264680B1 (it) 1993-07-07 1996-10-04 Spherilene Srl Catalizzatori supportati per la polimerizzazione delle olefine
FR2717816B1 (fr) 1994-03-23 1996-04-26 Atochem Elf Sa Composante catalytique pour la polymérisation des oléfines obtenue par impregnation d'un prépolymère par une solution d'une composante catalytique. Prépolymère et polymère obtenus à partir de ladite composante catalytique.
US5468440B1 (en) * 1994-05-06 1997-04-08 Exxon Chemical Patents Inc Process of making oriented film or structure
CA2191124C (en) * 1994-05-24 2005-08-30 Exxonmobil Chemical Patents, Inc. Fibers and fabrics incorporating lower melting propylene polymers
US5571619A (en) * 1994-05-24 1996-11-05 Exxon Chemical Patents, Inc. Fibers and oriented films of polypropylene higher α-olefin copolymers
US5468702A (en) * 1994-07-07 1995-11-21 Exxon Chemical Patents Inc. Method for making a catalyst system
ES2157445T3 (es) * 1995-05-09 2001-08-16 Fina Research Procedimiento para la preparacion y empleo de un catalizador de metaloceno-alumoxano soportado.
EP0885248A1 (en) * 1996-03-04 1998-12-23 Exxon Chemical Patents Inc. Stable metallocene catalyst systems
CA2263081A1 (en) * 1996-09-24 1998-04-02 Exxon Chemical Patents, Inc. Improved method for preparing supported metallocene catalyst systems
US6245868B1 (en) 1998-05-29 2001-06-12 Univation Technologies Catalyst delivery method, a catalyst feeder and their use in a polymerization process
WO2004094487A1 (en) 2003-03-21 2004-11-04 Dow Global Technologies, Inc. Morphology controlled olefin polymerization process
ATE464352T1 (de) 2004-12-17 2010-04-15 Dow Global Technologies Inc Rheologiemodifizierte polyethylenzusammensetzungen
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
ATE474881T1 (de) * 2006-05-02 2010-08-15 Dow Global Technologies Inc Sehr dichte polyethylenzusammensetzungen, verfahren zu deren herstellung, draht- und kabelhüllen, die daraus hergestellt wurden und verfahren zur herstellung derartiger draht- und kabelhüllen
US7456244B2 (en) 2006-05-23 2008-11-25 Dow Global Technologies High-density polyethylene compositions and method of making the same
CN103396604B (zh) 2007-05-02 2021-05-25 陶氏环球技术有限责任公司 高密度聚乙烯组合物、其制备方法、由其制得的注塑制品以及该制品的制备方法
US7981517B2 (en) 2007-08-28 2011-07-19 Dow Global Technologies Inc. Bituminous compositions and methods of making and using same
US8148481B2 (en) 2008-12-18 2012-04-03 Univation Technologies, Llc Method for seed bed treatment for a polymerization reaction
EP2384351B2 (en) 2009-01-30 2024-07-10 Dow Global Technologies LLC High-density polyethylene compositions, method of producing the same, closure devices made therefrom, and method of making such closure devices
US9650453B2 (en) 2012-12-28 2017-05-16 Univation Technologies, Llc Methods of integrating aluminoxane production into catalyst production
CA2897456C (en) 2013-01-14 2021-08-31 Univation Technologies, Llc Methods for preparing catalyst systems with increased productivity
US10377841B2 (en) 2015-05-08 2019-08-13 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063767A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018118155A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Polymerization process
US11591417B2 (en) 2017-12-13 2023-02-28 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization processes
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
WO2019217173A1 (en) 2018-05-02 2019-11-14 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
CN112055719B (zh) 2018-05-02 2022-11-25 埃克森美孚化学专利公司 从中试装置放大到较大生产设施的方法
WO2020109870A2 (en) 2018-06-28 2020-06-04 Exxonmobil Chemical Patents Inc. Polyethylene compositions, wires and cables, and methods for making the same
WO2020014138A1 (en) 2018-07-09 2020-01-16 Exxonmobil Chemical Patents Inc. Polyethylene cast films and methods for making the same
WO2020023207A1 (en) 2018-07-26 2020-01-30 Exxonmobil Chemical Patents Inc. Multilayer foam films and methods for making the same
US20220025135A1 (en) 2018-11-13 2022-01-27 Exxonmobil Chemical Patents Inc. Polyethylene Films
US11649331B2 (en) 2018-11-13 2023-05-16 Exxonmobil Chemical Patents Inc. Polyethylene blends and films
WO2020163079A1 (en) 2019-02-06 2020-08-13 Exxonmobil Chemical Patents Inc. Films and backsheets for hygiene articles
WO2021126458A1 (en) 2019-12-17 2021-06-24 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved sealing performance and mechanical properties
US12152135B2 (en) 2020-03-12 2024-11-26 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved bending stiffness and high MD tear resistance
EP4330294A1 (en) 2021-04-30 2024-03-06 ExxonMobil Chemical Patents Inc. Processes for transitioning between different polymerization catalysts in a polymerization reactor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098979A (en) * 1970-12-29 1978-07-04 Sumitomo Chemical Company, Limited Method for preparing easily processable polyolefin granule
DE3007725A1 (de) * 1980-02-29 1981-09-17 Hansjörg Prof. Dr. 2000 Hamburg Sinn Verfahren zur herstellung von polyethylen, polypropylen und copolymeren
US4897455A (en) * 1985-06-21 1990-01-30 Exxon Chemical Patents Inc. Polymerization process
JPS6392621A (ja) * 1986-10-08 1988-04-23 Mitsubishi Petrochem Co Ltd エチレン共重合体の製造法
KR910008277B1 (ko) * 1986-12-03 1991-10-12 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 올레핀 중합용 고체촉매 및 그 제조법
DE3904468A1 (de) * 1989-02-15 1990-08-16 Hoechst Ag Polypropylenwachs und verfahren zu seiner herstellung
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548288A1 (de) * 1995-12-22 1997-06-26 Hoechst Ag Geträgertes Katalysatorsystem, Verfahren zu seiner Herstellung und seine Verwendung zur Polymerisation von Olefinen

Also Published As

Publication number Publication date
EP0518092B1 (de) 1998-03-11
EP0518092A2 (de) 1992-12-16
US6152543A (en) 2000-11-28
DE59209223D1 (de) 1998-04-16
JP3963489B2 (ja) 2007-08-22
JPH05140226A (ja) 1993-06-08
ES2112873T3 (es) 1998-04-16
EP0518092A3 (enExample) 1995-05-10

Similar Documents

Publication Publication Date Title
EP0518092B1 (de) Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen
EP0519237B1 (de) Lösliche Katalysatorsysteme zur Herstellung von Polyalk-1-enen mit hohen Molmassen
EP0444474B1 (de) Lösliche Katalysatorsysteme zur Polymerisation von C2- bis C10-Alk-1-enen
EP0703932B1 (de) Mehrphasige blockcopolymerisate des propylens
EP0603232B1 (de) Verfahren zur herstellung von polypropylen unter hochdruck
EP0909279B1 (de) Verfahren zur herstellung von geträgerten übergangsmetallkatalysatoren
DE3836059A1 (de) Verfahren zur herstellung eines ethylen-propylen-copolymers
EP0670325A2 (de) Metallocenkomplexe mit heterofunktionellen Gruppen am Cyclopentadienylsystem
EP0645403A1 (de) Verfahren zur Herstellung von ultrahochmolekularem Polyethylen mit hoher Schüttdichte
EP0670336B1 (de) Geträgerte Metallocenkomplexe mit heterofunktionellen Gruppen am Cyclopentadienylsystem als Katalysatorsysteme
DE4139262A1 (de) Getraegerte katalysatorsysteme zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alkenen
EP0625995B1 (de) Katalysatorsysteme zur polymerisation von c 2- bis c 10-alkenen
EP0968234B1 (de) Geträgertes katalysatorsystem zur polymerisation von alk-1-enen
EP0519236B1 (de) Durch Vorpolymerisation geträgerte Katalysatorsysteme zur Herstellung von Polyalk-1-enen
DE2731241A1 (de) Verfahren zur herstellung von violettem titantrichlorid und dessen verwendung
EP0603224B1 (de) Des- und reaktivierte metallocenkatalysatorsysteme
WO1993006145A1 (de) Verfahren zur herstellung von mehrphasigen blockcopolymerisaten auf der basis von alk-1-enen
DE19627662C2 (de) Syndiospezifischer Metallocen-Adduct-Katalysator, Verfahren zur Herstellung des Katalysators und seine Verwendung zur Herstellung von syndiotaktischen Polyolefin
EP0643729B1 (de) Katalysatorsysteme zur polymerisation von c2- bis c10-alk-1-enen
DE4139263A1 (de) Katalysatorsysteme zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alkenen
EP0703249A1 (de) Oligomerisate und Polymerisate von Aminoalkenen
EP0613911B1 (de) Modifizierte geträgerte Chromocen-Katalysatorsysteme
DE4425787A1 (de) Verfahren zur Herstellung von kammartigen Polypropylenen
DE19930706A1 (de) Katalysatorzusammensetzung und Verfahren zur Herstellung von syndiotaktischen Styrolpolymeren
WO2002006356A1 (de) Verfahren zur herstellung von polyolefinen mit enger, bimodaler molekulargewichtsverteilung

Legal Events

Date Code Title Description
8130 Withdrawal