BRPI0413961A - processo multi-etapas para preparar copolìmeros heterofásicos de propileno - Google Patents
processo multi-etapas para preparar copolìmeros heterofásicos de propilenoInfo
- Publication number
- BRPI0413961A BRPI0413961A BRPI0413961-5A BRPI0413961A BRPI0413961A BR PI0413961 A BRPI0413961 A BR PI0413961A BR PI0413961 A BRPI0413961 A BR PI0413961A BR PI0413961 A BRPI0413961 A BR PI0413961A
- Authority
- BR
- Brazil
- Prior art keywords
- atom
- same
- formula
- symbol
- different
- Prior art date
Links
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 title abstract 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 title abstract 3
- 229920001577 copolymer Polymers 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 125000004429 atom Chemical group 0.000 abstract 4
- 150000001875 compounds Chemical class 0.000 abstract 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 2
- 239000005977 Ethylene Substances 0.000 abstract 2
- 150000002430 hydrocarbons Chemical group 0.000 abstract 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 150000002899 organoaluminium compounds Chemical class 0.000 abstract 2
- 238000006116 polymerization reaction Methods 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 229910052723 transition metal Inorganic materials 0.000 abstract 1
- 150000003624 transition metals Chemical class 0.000 abstract 1
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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
-
- 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
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
- C08F297/083—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene
-
- 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
- C08F4/642—Component covered by group C08F4/64 with an organo-aluminium compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of 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
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/02—Heterophasic composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
- C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03102736 | 2003-09-11 | ||
| US50323403P | 2003-09-16 | 2003-09-16 | |
| PCT/EP2004/008759 WO2005023889A1 (en) | 2003-09-11 | 2004-08-04 | Multistep process for preparing heterophasic propylene copolymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0413961A true BRPI0413961A (pt) | 2006-10-31 |
Family
ID=37510733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0413961-5A BRPI0413961A (pt) | 2003-09-11 | 2004-08-04 | processo multi-etapas para preparar copolìmeros heterofásicos de propileno |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20070276095A1 (enExample) |
| EP (1) | EP1664137A1 (enExample) |
| JP (1) | JP2007505173A (enExample) |
| KR (1) | KR20060133960A (enExample) |
| CN (1) | CN1878805A (enExample) |
| BR (1) | BRPI0413961A (enExample) |
| WO (1) | WO2005023889A1 (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1539843B1 (en) * | 2002-09-06 | 2009-10-14 | Basell Polyolefine GmbH | Process for the copolymerization of ethylene |
| ES2394304T3 (es) | 2002-10-15 | 2013-01-30 | Exxonmobil Chemical Patents, Inc. | Sistema de múltiples catalizadores para la polimerización de olefinas y polímeros producidos a partir de éstos |
| US7700707B2 (en) | 2002-10-15 | 2010-04-20 | Exxonmobil Chemical Patents Inc. | Polyolefin adhesive compositions and articles made therefrom |
| US7550528B2 (en) | 2002-10-15 | 2009-06-23 | Exxonmobil Chemical Patents Inc. | Functionalized olefin polymers |
| US20070060727A1 (en) * | 2003-09-11 | 2007-03-15 | Basel Polyolefine Gmbh | Multistep process for preparing heterophasic propylene copolymers |
| EP1518866A1 (en) * | 2003-09-29 | 2005-03-30 | Basell Poliolefine Italia S.P.A. | Process for the preparation of porous ethylene polymers |
| US8178636B2 (en) * | 2004-05-04 | 2012-05-15 | Basell Polyolefine Gmbh | Process for the preparation of atactic 1-butene polymers |
| US7803887B2 (en) | 2005-03-18 | 2010-09-28 | Basell Polyolefine Gmbh | Metallocene compounds |
| EP1858907B1 (en) | 2005-03-18 | 2008-10-15 | Basell Polyolefine GmbH | Metallocene compounds |
| JP2008534705A (ja) * | 2005-03-23 | 2008-08-28 | バーゼル・ポリオレフィン・ゲーエムベーハー | オレフィン類の重合法 |
| JP5294842B2 (ja) * | 2005-03-23 | 2013-09-18 | バーゼル・ポリオレフィン・ゲーエムベーハー | オレフィンの重合プロセス |
| EP1871832B1 (en) * | 2005-04-21 | 2012-06-13 | Basell Poliolefine Italia S.r.l. | Biaxially oriented propylene polymer films |
| EP1877453A1 (en) | 2005-05-03 | 2008-01-16 | Basell Polyolefine GmbH | Process for the polymerization of alpha olefins |
| EP1879959B1 (en) | 2005-05-11 | 2011-07-06 | Basell Poliolefine Italia S.r.l. | Polymerization process for preparing polyolefin blends |
| WO2006134046A1 (en) * | 2005-06-13 | 2006-12-21 | Basell Polyolefine Gmbh | Process for the copolymerization of propylene |
| DE102005052654A1 (de) * | 2005-11-04 | 2007-05-16 | Ticona Gmbh | Verfahren zur Herstellung von ultrahochmolekularen Polymeren unter Verwendung von speziellen verbrückten Metallocen-Katalysatoren |
| JP5295098B2 (ja) | 2006-04-21 | 2013-09-18 | バーゼル・ポリオレフィン・ゲーエムベーハー | エチレンコポリマーの製造方法 |
| CN100516093C (zh) * | 2006-04-21 | 2009-07-22 | 中国科学院上海有机化学研究所 | 烯烃聚合催化剂 |
| US8785575B2 (en) | 2006-04-21 | 2014-07-22 | Basell Polyolefine Gmbh | Process for the preparation of ethylene propylene copolymers |
| JP5201943B2 (ja) * | 2007-10-24 | 2013-06-05 | 日本ポリプロ株式会社 | 熱可塑性樹脂重合粒子 |
| JP5201944B2 (ja) * | 2007-10-24 | 2013-06-05 | 日本ポリプロ株式会社 | 熱可塑性樹脂重合粒子 |
| ES2645256T3 (es) | 2012-12-21 | 2017-12-04 | Borealis Ag | Catalizadores |
| ES2674576T3 (es) | 2012-12-21 | 2018-07-02 | Borealis Ag | Catalizador |
| CN104918948B (zh) | 2012-12-21 | 2018-09-18 | 博里利斯股份公司 | 催化剂 |
| EP2813517B2 (en) | 2013-06-10 | 2019-06-26 | Borealis AG | Process for the preparation of a propylene polymer |
| WO2016089174A1 (ko) * | 2014-12-04 | 2016-06-09 | 주식회사 엘지화학 | 무연신 폴리프로필렌계 필름 |
| EP3647329B1 (en) * | 2017-06-30 | 2024-05-29 | Mitsui Chemicals, Inc. | Propylene-based polymer, method for preparing same, propylene-based resin composition, and molded body |
| CN112218918B (zh) | 2018-05-03 | 2024-02-20 | 陶氏环球技术有限责任公司 | 具有优异柔性和热空气可焊性的基于丙烯的聚合物组合物 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3202370B2 (ja) * | 1992-12-09 | 2001-08-27 | 三菱化学株式会社 | プロピレンブロック共重合体の製造法 |
| BE1007040A3 (fr) * | 1993-05-25 | 1995-02-28 | Solvay | Support de catalyseur et catalyseur de polymerisation des alpha-olefines; procedes pour leur obtention et polymerisation des alpha-olefines en presence du catalyseur. |
| DE4317655A1 (de) * | 1993-05-27 | 1994-12-01 | Basf Ag | Mehrphasige Blockcopolymerisate des Propylens |
| DE69518094T2 (de) * | 1994-04-11 | 2001-03-22 | Mitsui Chemicals, Inc. | Verfahren zur Herstellung von einer Propylen-Polymer-Zusammensetzung und Propylen-Polymer-Zusammensetzung |
| US5854354A (en) * | 1994-04-11 | 1998-12-29 | Mitsui Petrochemical Industries, Ltd. | Process for preparing propylene polymer composition and propylene polymer composition |
| DE19621022B4 (de) * | 1996-05-24 | 2014-12-31 | Basell Polyolefine Gmbh | Hochmolekulares Ethylen/Propylen-Reaktorblend mit breiter Molmassenverteilung |
| FR2765225B1 (fr) * | 1997-06-30 | 2000-01-14 | Atochem Elf Sa | Composante catalytique solide pour la polymerisation des olefines |
| BE1012364A3 (fr) * | 1998-12-22 | 2000-10-03 | Solvay | Procede pour la preparation d'une composition catalytique pour la polymerisation des alpha-olefines, composition catalytique obtenue et procede de polymerisation utilisant une telle composition catalytique |
| US6399535B1 (en) * | 1999-11-01 | 2002-06-04 | W. R. Grace & Co.-Conn. | Coordination catalyst systems employing agglomerated metal oxide/clay support-activator and method of their preparation |
| US6444833B1 (en) * | 1999-12-15 | 2002-09-03 | Basell Technology Company Bv | Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins |
| DE19962814A1 (de) * | 1999-12-23 | 2001-06-28 | Targor Gmbh | Neues Katalysatorsystem und dessen Verwendung |
| DE19962910A1 (de) * | 1999-12-23 | 2001-07-05 | Targor Gmbh | Chemische Verbindung, Verfahren zu deren Herstellung und deren Verwendung in Katalysatorsystemen zur Herstellung von Polyolefinen |
| EP1548023B1 (de) * | 1999-12-23 | 2013-08-14 | Basell Polyolefine GmbH | Übergangsmetallverbindung, Katalysatorsystem und seine Verwendung zur Polymerisation und Copolymerisation von Olefinen |
| US20020107344A1 (en) * | 2000-12-07 | 2002-08-08 | Peterson Thomas Henry | Supprt materials for use with polymerization catalysts |
| JP3990929B2 (ja) * | 2001-03-29 | 2007-10-17 | 日本ポリプロ株式会社 | プロピレン系ブロック共重合体の製造方法 |
| JP2005510590A (ja) * | 2001-11-27 | 2005-04-21 | バセル ポリオレフィン ジーエムビーエイチ | ポリマー組成物の処理の方法 |
| EP1448578B1 (en) * | 2001-11-30 | 2006-07-26 | Basell Polyolefine GmbH | Metallocene compounds and process for the preparation of propylene polymers |
-
2004
- 2004-08-04 BR BRPI0413961-5A patent/BRPI0413961A/pt not_active Application Discontinuation
- 2004-08-04 CN CNA200480032867XA patent/CN1878805A/zh active Pending
- 2004-08-04 US US10/571,404 patent/US20070276095A1/en not_active Abandoned
- 2004-08-04 KR KR1020067004887A patent/KR20060133960A/ko not_active Withdrawn
- 2004-08-04 EP EP04763806A patent/EP1664137A1/en not_active Withdrawn
- 2004-08-04 JP JP2006525650A patent/JP2007505173A/ja active Pending
- 2004-08-04 WO PCT/EP2004/008759 patent/WO2005023889A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20070276095A1 (en) | 2007-11-29 |
| KR20060133960A (ko) | 2006-12-27 |
| WO2005023889A1 (en) | 2005-03-17 |
| CN1878805A (zh) | 2006-12-13 |
| EP1664137A1 (en) | 2006-06-07 |
| JP2007505173A (ja) | 2007-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0413961A (pt) | processo multi-etapas para preparar copolìmeros heterofásicos de propileno | |
| BR0105430A (pt) | Compostos organometálicos cocatalisadores, sistema catalìtico e processo para a polimerização de olefinas | |
| BRPI0612170A2 (pt) | processo para a polimerização de olefinas | |
| BR0305627A (pt) | Sistema catalisador para a polimerização de olefinas | |
| KR970702307A (ko) | 올레핀 중합체의 제조방법 | |
| CN1128816C (zh) | 催化剂组合物和制备线性、全同立构聚合物的方法 | |
| BR0006002A (pt) | Componentes catalìticos catalisadores e processo a polimerização de olefinas. | |
| BRPI0606453A2 (pt) | processo para a produção de um polìmero de olefina e componente catalisador de titánio sólido | |
| BR0209542A (pt) | Processo para a preparação de polìmeros de olefina, bem como catalisadores selecionados | |
| MY142486A (en) | Synthesis of polymerization catalyst components | |
| WO2013087167A3 (en) | A process for the production of bimodal polyethylene in the presence of this catalyst system | |
| WO2008014217A3 (en) | Fluorenyl catalyst compositions and olefin polymerization process | |
| EP1428840A4 (en) | POLYMER PRODUCTION PROCESS | |
| BR112021006521A2 (pt) | composto, método de síntese do composto, solução do composto, sistema de catalisador, e, método de produção de um polímero de poliolefina | |
| BRPI0513108A (pt) | processo para produzir polìmeros de buteno-1 fracionáveis | |
| BRPI0413959A (pt) | processo multi-etapas para preparar copolìmeros heterofásicos de propileno | |
| JP2005521730A5 (enExample) | ||
| EP1586589A4 (en) | CATALYSTS FOR THE POLYMERIZATION OF OLEFINES AND METHOD FOR THE PRODUCTION OF OLEFIN POLYMER | |
| AU2003296585A1 (en) | 1-buten copolymers and process for preparing them | |
| WO2004018529A3 (en) | Modified ziegler catalyst, process for preparing it and process for preparing poly-1-olefins in its presence | |
| BR112013002873A2 (pt) | componentes de catalisador para a polimerização de olefinas | |
| NO863988D0 (no) | Fremgangsmaate for fremstilling av butenpolymerer. | |
| BRPI0413958A (pt) | processo multi-etapas para preparar copolìmeros heterofásicos de propileno | |
| KR960041203A (ko) | 지글라-나타 촉매의 제조 방법 | |
| ATE384086T1 (de) | Verzweigte polymere auf alpha-olefin basis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
| B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |