CS30792A3 - Polymerization and co-polymerization process - Google Patents

Polymerization and co-polymerization process

Info

Publication number: CS30792A3
Authority: CS; Czechoslovakia
Prior art keywords: mol; catalyst system; contg; pref; polymerisation
Prior art date: 1991-02-04

Application number

CS92307A

Other languages

English (en)

Inventor

Steven Alan Cohen

Nicholas Marios Karayannis

Jerome Anthony Streeky

Benjamin Samuel Tovrog

Original Assignee

Amoco Corp

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.)

1991-02-04

Filing date

1992-02-04

Publication date

1992-08-12

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27095865&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CS30792(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-02-04 Application filed by Amoco Corp filed Critical Amoco Corp

1992-08-12 Publication of CS30792A3 publication Critical patent/CS30792A3/cs

2000-12-13 Publication of CZ287574B6 publication Critical patent/CZ287574B6/cs

Links

238000000034 method Methods 0.000 title abstract 3
238000007334 copolymerization reaction Methods 0.000 title 1
238000006116 polymerization reaction Methods 0.000 title 1
239000003054 catalyst Substances 0.000 abstract 3
-1 polypropylene Polymers 0.000 abstract 3
239000004743 Polypropylene Substances 0.000 abstract 2
BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 2
125000000217 alkyl group Chemical group 0.000 abstract 2
125000003118 aryl group Chemical group 0.000 abstract 2
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 2
229920001155 polypropylene Polymers 0.000 abstract 2
229910000077 silane Inorganic materials 0.000 abstract 2
239000004698 Polyethylene Substances 0.000 abstract 1
125000002723 alicyclic group Chemical group 0.000 abstract 1
150000001335 aliphatic alkanes Chemical class 0.000 abstract 1
150000007933 aliphatic carboxylic acids Chemical class 0.000 abstract 1
125000003342 alkenyl group Chemical group 0.000 abstract 1
125000002877 alkyl aryl group Chemical group 0.000 abstract 1
125000003710 aryl alkyl group Chemical group 0.000 abstract 1
239000003426 co-catalyst Substances 0.000 abstract 1
239000002131 composite material Substances 0.000 abstract 1
229920001577 copolymer Polymers 0.000 abstract 1
150000001924 cycloalkanes Chemical class 0.000 abstract 1
150000005690 diesters Chemical class 0.000 abstract 1
HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 abstract 1
VHPUZTHRFWIGAW-UHFFFAOYSA-N dimethoxy-di(propan-2-yl)silane Chemical compound CO[Si](OC)(C(C)C)C(C)C VHPUZTHRFWIGAW-UHFFFAOYSA-N 0.000 abstract 1
OANIYCQMEVXZCJ-UHFFFAOYSA-N ditert-butyl(dimethoxy)silane Chemical compound CO[Si](OC)(C(C)(C)C)C(C)(C)C OANIYCQMEVXZCJ-UHFFFAOYSA-N 0.000 abstract 1
239000012467 final product Substances 0.000 abstract 1
229920001519 homopolymer Polymers 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
229910052751 metal Inorganic materials 0.000 abstract 1
150000002895 organic esters Chemical class 0.000 abstract 1
239000012188 paraffin wax Substances 0.000 abstract 1
229920000573 polyethylene Polymers 0.000 abstract 1
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 abstract 1
239000002002 slurry Substances 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1
HXLWJGIPGJFBEZ-UHFFFAOYSA-N tert-butyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C(C)(C)C HXLWJGIPGJFBEZ-UHFFFAOYSA-N 0.000 abstract 1
150000005691 triesters 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/06—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
- 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

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)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Dental Preparations (AREA)
Polymerisation Methods In General (AREA)

CS1992307A 1991-02-04 1992-02-04 Způsob výroby homopolymeru propylenu nebo kopolymeru propylenu s až 20 molárními procenty ethylenu CZ287574B6 (cs)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US65044391A	1991-02-04	1991-02-04
US07/793,821 US5218052A (en)	1991-02-04	1991-11-18	Olefin polymerization and copolymerization process

Publications (2)

Publication Number	Publication Date
CS30792A3 true CS30792A3 (en)	1992-08-12
CZ287574B6 CZ287574B6 (cs)	2000-12-13

Family

ID=27095865

Country Status (9)

Country	Link
US (1)	US5218052A (cs)
EP (2)	EP0498603B1 (cs)
JP (1)	JPH05105722A (cs)
KR (1)	KR100263263B1 (cs)
AT (1)	ATE146806T1 (cs)
CA (1)	CA2059838C (cs)
CZ (1)	CZ287574B6 (cs)
DE (1)	DE69216117T2 (cs)
SK (1)	SK280948B6 (cs)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7074871B2 (en) *	1992-05-29	2006-07-11	Basell Poliolefine Italia S.R.L.	Crystalline polymers of propylene having improved processability in the molten state and process for their preparation
IT1260497B (it) *	1992-05-29	1996-04-09	Himont Inc	Polimeri cristallini del propilene aventi migliorata processabilita' allo stato e processo per la loro preparazione
TW300235B (cs) †	1992-12-04	1997-03-11	Mitsui Petroleum Chemicals Ind
DE69412954T2 (de) *	1993-01-11	1999-03-11	Mitsui Chemicals, Inc., Tokio/Tokyo	Propylenpolymer zusammensetzung
JPH07173214A (ja) *	1993-10-27	1995-07-11	Nippon Oil Co Ltd	オレフィン類重合用触媒成分
US5409992A (en) *	1994-02-28	1995-04-25	Himont Incorporated	Calenderable blends containing broad molecular weight distribution propylene polymer material
KR100364470B1 (ko) *	1994-07-15	2003-02-05	이데미쓰세끼유가가꾸가부시끼가이샤	고강성 폴리프로필렌계수지 및 그것을 이용한 블로우성형체
KR100341040B1 (ko) *	1994-08-18	2002-11-23	칫소가부시키가이샤	고강성프로필렌-에틸렌블록공중합체조성물및이의제조방법
FI944761A0 (fi) *	1994-10-11	1994-10-11	Borealis Holding As	Ny polypropylenkomposition med vid molekylvikt distribution
WO1996011982A1 (en) *	1994-10-12	1996-04-25	Kimberly-Clark Worldwide, Inc.	Melt-extrudable thermoplastic polypropylene composition and nonwoven web prepared therefrom
DE69517337T2 (de) *	1994-12-20	2000-10-19	Engelhard Corp., Iselin	Verfahren zur reinigung von aromatischen polycarbonsäuren
USH1722H (en) *	1995-05-05	1998-04-07	Goode; Mark Gregory	Process for producing polypropylene impact block copolymers
ATE245665T1 (de) *	1995-09-28	2003-08-15	Basell Polyolefine Gmbh	Geträgertes katalysatorsystem, verfahren zu seiner herstellung und seine verwendung zur polymerisation von olefinen
US5738745A (en) *	1995-11-27	1998-04-14	Kimberly-Clark Worldwide, Inc.	Method of improving the photostability of polypropylene compositions
DE19606510A1 (de)	1996-02-22	1997-08-28	Hoechst Ag	Hochmolekulares Polypropylen mit breiter Molmassenverteilung
DE19621022B4 (de) †	1996-05-24	2014-12-31	Basell Polyolefine Gmbh	Hochmolekulares Ethylen/Propylen-Reaktorblend mit breiter Molmassenverteilung
WO1998010016A1 (en)	1996-09-04	1998-03-12	Exxon Chemical Patents Inc.	Improved propylene polymers for oriented films
US6583227B2 (en)	1996-09-04	2003-06-24	Exxonmobil Chemical Patents Inc.	Propylene polymers for films
US6576306B2 (en)	1996-09-04	2003-06-10	Exxonmobil Chemical Patents Inc.	Propylene polymers for films
US5948720A (en) *	1997-01-07	1999-09-07	Huntsman Polymers Corporation	Catalyst for the production of flexible polyolefin compositions, methods for making and using same, and products thereof
US6100351A (en) *	1997-01-07	2000-08-08	Huntsman Polymers Corporation	Olefin polymerization process and products thereof
US6057407A (en) *	1997-01-08	2000-05-02	Bp Amoco Corporation	High melt flow propylene polymer produced by gas-phase polymerization
US6080818A (en) *	1997-03-24	2000-06-27	Huntsman Polymers Corporation	Polyolefin blends used for non-woven applications
DE69820399T2 (de)	1997-05-30	2004-10-07	Mitsui Chemicals Inc	Polypropylenharz-Zusammensetzung und spritzgegossener Gegenstand
US6350828B1 (en)	1997-08-05	2002-02-26	Grand Polymer Co Ltd	Polypropylene resin composition and use thereof
FI973816A0 (fi)	1997-09-26	1997-09-26	Borealis As	Polypropen med hoeg smaeltstyrka
SG71878A1 (en) *	1997-12-11	2000-04-18	Sumitomo Chemical Co	Propylene-based polymer composition and foamed article thereof
US6306960B1 (en)	1998-05-13	2001-10-23	Exxonmobil Chemical Patents Inc.	Articles formed from foamable polypropylene polymer
ES2220058T3 (es) *	1998-05-13	2004-12-01	Exxonmobil Chemical Patents Inc.	Homopolimeros de propileno y metodos de fabricarlos.
US6784269B2 (en)	1998-05-13	2004-08-31	Exxonmobil Chemical Patents Inc.	Polypropylene compositions methods of making the same
US7354880B2 (en) *	1998-07-10	2008-04-08	Univation Technologies, Llc	Catalyst composition and methods for its preparation and use in a polymerization process
KR100565151B1 (ko)	1999-02-04	2006-03-30	미쓰이 가가쿠 가부시키가이샤	폴리프로필렌 블록 공중합체 수지 및 제조 방법
US6174930B1 (en)	1999-04-16	2001-01-16	Exxon Chemical Patents, Inc.	Foamable polypropylene polymer
KR100546499B1 (ko) *	1999-05-27	2006-01-26	삼성토탈 주식회사	에틸렌 중합 및 공중합용 촉매
KR100524293B1 (ko)	1999-05-27	2005-10-26	삼성토탈 주식회사	에틸렌 중합 및 공중합용 촉매
WO2001032757A1 (en) *	1999-11-04	2001-05-10	Exxonmobil Chemical Patents Inc.	Foamable polypropylene polymers and their use
KR100389476B1 (ko) *	2000-11-09	2003-06-27	삼성종합화학주식회사	에틸렌 중합체 및 공중합체 제조방법
KR100389475B1 (ko) *	2000-11-09	2003-06-27	삼성종합화학주식회사	에틸렌 중합 또는 공중합용 촉매의 제조 방법
KR100389962B1 (ko) *	2000-11-10	2003-07-02	삼성종합화학주식회사	에틸렌 중합 또는 공중합용 촉매의 제조 방법
KR100421551B1 (ko) *	2000-12-16	2004-03-09	삼성아토피나주식회사	올레핀 전중합 촉매 및 이를 이용한 올레핀 중합방법
US6566294B2 (en)	2000-12-21	2003-05-20	Exxonmobil Chemical Patents Inc.	Multi-donor catalyst system for the polymerization of olefins
WO2002051882A1 (en) *	2000-12-22	2002-07-04	Samsung General Chemicals Co., Ltd.	Chelate catalyst for olefin polymerization and olefin polymerization method using the same
JP2004516379A (ja) *	2000-12-22	2004-06-03	サムソンジェネラルケミカルズカンパニーリミテッド	表面硬度及び耐スクラッチ性が向上されたポリプロピレン樹脂組成物
ATE305490T1 (de) *	2000-12-22	2005-10-15	Samsung General Chemicals Co	Polyolefinharzzusammensetzung
EP1362131A4 (en) *	2000-12-22	2005-03-02	Samsung General Chemicals Co	POLYPROPYL FLAME RETARDANT COMPOSITION
KR100530794B1 (ko) *	2001-06-21	2005-11-23	삼성토탈 주식회사	에틸렌 중합 및 공중합용 촉매
JP4174425B2 (ja) *	2002-01-03	2008-10-29	イネオス・ユーエスエイ・エルエルシー	二重供与体触媒系を用いる気相オレフィン重合
CN100389148C (zh) *	2002-09-06	2008-05-21	丁少忠	一种可生物降解的餐具及其制备方法
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
US20060223956A1 (en) *	2003-09-23	2006-10-05	Linfeng Chen	Catalyst composition with mixed sca and propylene polymerization process
US7491670B2 (en)	2003-09-23	2009-02-17	Dow Global Technologies Inc.	Self limiting catalyst composition and propylene polymerization process
EP1726603A1 (en) *	2005-05-27	2006-11-29	Borealis Technology Oy	Propylene polymer with high crystallinity
EP1726602A1 (en) *	2005-05-27	2006-11-29	Borealis Technology Oy	Propylene polymer with high crystallinity
EP1899415B1 (en) *	2005-07-01	2011-08-10	Basell Poliolefine Italia S.r.l.	Propylene polymers having broad molecular weight distribution
US9694522B2 (en) *	2007-07-18	2017-07-04	Sumitomo Chemical Company, Limited	Thermoplastic elastomer composition and composite molded body
KR101576308B1 (ko)	2007-08-24	2015-12-09	더블유.알. 그레이스 앤드 캄파니-콘.	조절된 알루미늄 대 ｓｃａ 비를 갖는 자기-제한성 촉매 시스템 및 방법
JP5740159B2 (ja)	2007-12-21	2015-06-24	ダブリュー・アール・グレイス・アンド・カンパニー−コネチカット	二座内部供与体を有する自己制限性触媒組成物
RU2487897C2 (ru)	2008-08-21	2013-07-20	ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи	Ударопрочный пропиленовый сополимер с высокой скоростью течения расплава и способ его получения
CN102186889B (zh)	2008-08-21	2013-11-06	陶氏环球技术有限责任公司	具有混合的选择性控制剂的催化剂组合物和使用它的聚合反应方法
US8916250B2 (en) *	2008-10-01	2014-12-23	Borealis Ag	Sewage pipe comprising beta nucleated polypropylene material with improved properties
US8604118B2 (en)	2008-12-26	2013-12-10	Dow Global Technologies Llc	Antifoulant for impact copolymers and method
JP5501384B2 (ja) *	2009-02-20	2014-05-21	イネオスユーエスエイリミテッドライアビリティカンパニー	水平撹拌気相反応器で製造されるポリオレフィン材料の分子量分布の拡大法
EP2516489B1 (en) *	2009-12-21	2014-07-02	W.R. Grace & CO. - CONN.	Gas-phase polymerization process having multiple flow regimes
US9272965B2 (en) *	2009-12-22	2016-03-01	Catalytic Distillation Technologies	Process for the conversion of alcohols to olefins
US10647790B2 (en)	2011-06-30	2020-05-12	W. R. Grace & Co.-Conn.	Process for gas-phase polymerization having high bed bulk density
JP5785809B2 (ja) *	2011-07-28	2015-09-30	東邦チタニウム株式会社	オレフィン類重合用固体触媒成分、その製造方法、オレフィン類重合触媒およびオレフィン類重合体の製造方法
WO2019155393A1 (en) *	2018-02-07	2019-08-15	Relianceindustries Limited	A ziegler-natta catalyst system with self-extinguishing properties suitable for olefin polymerization
CN116635432A (zh) *	2020-12-21	2023-08-22	三井化学株式会社	固体状钛催化剂成分、烯烃聚合用催化剂、烯烃的聚合方法和丙烯聚合物

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5847402B2 (ja) *	1976-02-13	1983-10-22	三井化学株式会社	成形用重合体組成物およびその製法
GB2055388B (en) *	1979-07-27	1983-02-23	El Paso Polyolefins	Block copolymerization process and product
JPS5661415A (en) *	1979-10-24	1981-05-26	Mitsubishi Chem Ind Ltd	Preparation of propylene-ethylene block copolymer
US4284738A (en) *	1980-08-11	1981-08-18	El Paso Polyolefins Company	Ethylene-propylene block copolymerization process and product
JPS5883016A (ja) *	1981-11-13	1983-05-18	Mitsui Petrochem Ind Ltd	プロピレンブロツク共重合体の製法
JPS58201806A (ja) *	1982-05-19	1983-11-24	Chisso Corp	後加工シ−ト用および吹込成形用高溶融粘弾性ポリプロピレンとその製造法
JPS58219207A (ja) *	1982-06-15	1983-12-20	Chisso Corp	高剛性高溶融粘弾性ポリプロピレンとその製造法
JPS59122506A (ja) *	1982-12-28	1984-07-16	Sumitomo Chem Co Ltd	軟質プロピレン重合体
US4866022A (en) *	1984-03-23	1989-09-12	Amoco Corporation	Olefin polymerization catalyst
US4612299A (en) *	1984-07-09	1986-09-16	Amoco Corporation	Magnesium carboxylate supports
US4829038A (en) *	1986-06-17	1989-05-09	Amoco Corporation	Alpha-olefin polymerization catalyst system including an advantageous modifier component
DE3640924A1 (de) *	1986-11-29	1988-06-01	Hoechst Ag	1-olefin-stereoblockpolymer und verfahren zu seiner herstellung
CA2018829C (en) *	1989-06-19	1996-06-11	Jun Saito	Process for producing a high-stiffness polypropylene and a highly stereoregular polypropylene
US4990478A (en) *	1989-09-21	1991-02-05	Amoco Corporation	Silane-modified supported polyolefin catalyst to produce a broadened molecular weight distribution product

1991
- 1991-11-18 US US07/793,821 patent/US5218052A/en not_active Expired - Lifetime
1992
- 1992-01-22 CA CA002059838A patent/CA2059838C/en not_active Expired - Lifetime
- 1992-01-31 KR KR1019920001519A patent/KR100263263B1/ko not_active Expired - Lifetime
- 1992-02-03 EP EP92300907A patent/EP0498603B1/en not_active Revoked
- 1992-02-03 JP JP4017667A patent/JPH05105722A/ja active Pending
- 1992-02-03 EP EP96109556A patent/EP0736552A3/en not_active Withdrawn
- 1992-02-03 DE DE69216117T patent/DE69216117T2/de not_active Revoked
- 1992-02-03 AT AT92300907T patent/ATE146806T1/de not_active IP Right Cessation
- 1992-02-04 SK SK307-92A patent/SK280948B6/sk not_active IP Right Cessation
- 1992-02-04 CZ CS1992307A patent/CZ287574B6/cs not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA2059838A1 (en)	1992-08-05
KR100263263B1 (ko)	2000-08-01
EP0498603B1 (en)	1996-12-27
DE69216117T2 (de)	1997-07-17
CA2059838C (en)	2002-05-28
DE69216117D1 (de)	1997-02-06
JPH05105722A (ja)	1993-04-27
EP0498603A3 (en)	1992-09-02
EP0498603A2 (en)	1992-08-12
SK280948B6 (sk)	2000-09-12
EP0736552A3 (en)	1997-03-26
KR920016478A (ko)	1992-09-24
CZ287574B6 (cs)	2000-12-13
US5218052A (en)	1993-06-08
ATE146806T1 (de)	1997-01-15
EP0736552A2 (en)	1996-10-09

Legal Events

Date	Code	Title	Description
2000-06-30	PD00	Pending as of 2000-06-30 in czech republic
2012-02-15	MK4A	Patent expired	Effective date: 20120204

Publication	Publication Date	Title
CS30792A3 (en)	1992-08-12	Polymerization and co-polymerization process
CA2207910A1 (en)	1996-06-20	Process for preparing polyethylene
ES2105529T3 (es)	1997-10-16	Cauchos de copolimero de etileno/propileno.
PL287107A1 (en)	1992-03-23	Method of polymerizing lactones using yttrium and rare earth metal compounds
PL298042A1 (en)	1993-12-13	Method of polymerizing olefines in gaseous phase as well as polymers and copolymers obtained thereby
CA2147161A1 (en)	1994-04-28	Process for preparing low density porous crosslinked polymer materials
HUT75175A (en)	1997-04-28	Process for the (co)polymerization of olefins and polymers produced thereby
IE870982L (en)	1987-10-16	Molecular weight modifier for use with lanthanide and¹actinide catalysts
AU6795587A (en)	1987-07-30	Catalyst composition for polymerizing alpha-olefins
EP0324856A4 (en)	1989-03-22	POLYMERIZATION PROCESS FOR OLEFINS.
ATE2959T1 (de)	1983-04-15	Verfahren zur herstellung eines aethylencopolymers.
GR3018786T3 (en)	1996-04-30	Multi-stage process for producing polyethylene.
DE59304011D1 (de)	1996-11-07	Verfahren zur kontinuierlichen Polymerisation von Vinylmonomeren
CA2110606A1 (en)	1994-06-05	Process for the Preparation of Olefin Polymer
KR920008079A (ko)	1992-05-27	올레핀중합에 유용한 촉매를 제조하는 방법, 상기 촉매로 구성되는 촉매 시스템 및 그로써 올레핀을 중합시키기 위한 방법
CA2336533A1 (en)	2000-01-20	Process for producing polymers by free radical polymerization and condensation reaction, and apparatus and products related thereto
DE3851313D1 (de)	1994-10-06	Verfahren zur Herstellung von Polypropylen und gestrecktem Polypropylenfilm.
GB1403924A (en)	1975-08-28	Method of producing polyethylene wax
TW354306B (en)	1999-03-11	Polymerization of beta-substituted-beta-propiolactones initiated by alkylzinc alkoxides
CA2100420A1 (en)	1994-01-18	Process for the Stabilization of Olefin Polymers
ATE191723T1 (de)	2000-04-15	Verfahren zur gewinnung von polyolefinen mit breiter bimodularer oder multimodaler molekulargewichtsverteilung
ATE274013T1 (de)	2004-09-15	Verfahren zur polymerisation von lactid
ATE165849T1 (de)	1998-05-15	Cycloolefinblockcopolymere und verfahren zu ihrer herstellung
EP0790261A3 (en)	1997-08-27	Process for preparing beads of polymers having an acrylic basis
US4167493A (en)	1979-09-11	High efficiency catalyst for high bulk density polyethylene