KR920701264A - 중합방법 및 촉매 - Google Patents

중합방법 및 촉매

Info

Publication number
KR920701264A
KR920701264A KR1019910701430A KR910701430A KR920701264A KR 920701264 A KR920701264 A KR 920701264A KR 1019910701430 A KR1019910701430 A KR 1019910701430A KR 910701430 A KR910701430 A KR 910701430A KR 920701264 A KR920701264 A KR 920701264A
Authority
KR
South Korea
Prior art keywords
compound
catalyst
magnesium
resorcinol
nitrogen
Prior art date
Application number
KR1019910701430A
Other languages
English (en)
Other versions
KR940003857B1 (ko
Inventor
로버트 씨. 좁
Original Assignee
원본미기재
셀 오일 캄패니
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 원본미기재, 셀 오일 캄패니 filed Critical 원본미기재
Publication of KR920701264A publication Critical patent/KR920701264A/ko
Application granted granted Critical
Publication of KR940003857B1 publication Critical patent/KR940003857B1/ko

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
    • 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
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
    • 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

Abstract

내용 없음

Description

중합방법 및 촉매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (35)

  1. a)전자 공여체의 존재하에 진행되는 마그네슘 옥시 화합물과 4가 티타늄 호합물의 반응 생성물; b)오르가루미늄 하합물; c)최소한 하나의 질소원자에 인접한 탄소원자상에 존재하는 치환체에 의해 부적당하게 장애를 받지 않는 방향족 헤테로고리 질소 화합물로 이루어진 촉매 존재하에 탄소원자의 수가 최소한 3인 α-올레핀을 지니고 있고, 평균 블록길이가 짧은 것이 특징인 엘라스토머계, 주로 입체규칙성 폴리-α-올레핀을 제조하는 방법.
  2. 제1항에서, 방향족 헤테로고리 질소 화합물의 질소가 효과적으로 장애를 받는 엘라스토머계, 주로 신디오탁틱 폴리프로필렌을 제조하는 방법.
  3. 2항에서, 질소 화합물이 2,3-디메틸퀴녹살린, 퀴날딘, 2,6-루타딘, 2,4,6-코리딘 또는 테트라메틸피라진으로 이루어진 그룹에서 선택된 방법.
  4. 3항에서, 4가 티타늄 할라이드가 티타늄 테트라클로라이드인 방법.
  5. 4항에서, 마그네슘 화합물이 MgR1R2(여기서 R1은 알콕사이드 또는 아릴옥사이드 그리고 R2는 알킬, 아릴, 알콕사이드, 아릴옥사이드 또는 할로겐)인 화합물인 방법.
  6. 5항에서, R1과 R2가 에톡사이드인 방법.
  7. 5항에서, 마그네슘 화합물이 Mg4(OCH3)6(CH3OH)10X|2(여기서, X는 레졸시놀 또는 치환된 레졸시놀 모노음이온)인 방법.
  8. 1항에서, 방향족 헤테로고리 질소 화합물의 각 질소가 최소한 하나의 인접한 탄소원지상에 클로로 또는 메톡시기가 존재함으로 인해 덜 장애를 받는 엘라스토머계, 주로 이소탁틱 폴리-α-올레핀을 제조하는 방법.
  9. 8항에서, 질소 화합물이 2,6-디클로로피리딘, 2-클로로퀴놀린, 2,4,6-트리클로로피리미딘, 2,4,5,6-테트라클로로피리미딘인 방법.
  10. 9항에서, 4가의 티타늄 할라이드가 티타늄 클로라이드인 방법.
  11. 10항에서, 마크네슘 화합물이 MgR1R2(여기서 R1은 알콕사이드, 또는 아릴옥사이드 그리고 R2는 알킬, 아릴, 알콕사이드, 아릴옥사이드 또는 할로겐)인 화합물인 방법.
  12. 11항에서, R1과 R2가 에톡사이드인 방법.
  13. 11항에서, 마그네슘 화합물이 Mg4(OCH3)6(CH3OH)10X|2(여기서, X는 레졸시놀 또는 치환된 레졸시놀 모노음이온)인 방법.
  14. 8항에서, α-올레핀이 프로필레인 방법.
  15. 8항에서, α-올레핀이 1-부텐인 방법.
  16. 1항에서, 방향족 헤테로고리 질소 화합물 최소한 하나의 질소가 장애를 받지 않는 엘라스토머계, 주로 이소탁틱 폴리-α-올레핀을 제조하는 방법.
  17. 16항에서, 질소 화합물이 피라진, 3,4,5-트리클로로피리다진, 1,3,5-트리아진, 페나진, 피리딘, 2,6-디메틸피라진, 퀴나졸린, 4,6-디클로로피리미딘, 2-피콜린, 2,3,5-트리메틸피라진, 아크리딘, 2-메틸피라진, 2,5-디메틸피라진, 2,6-디메틸피라진, 2,3-디클로로퀴녹살린, 퀴놀린, 피리다진 또는 2,4-디클로로피리미딘의 방법.
  18. 17항에서, 4가의 티타늄 할라이드가 티타늄 클로라이드인 방법.
  19. 18항에서, 마그네슘 화합물이 MgR1R2(여기서 R1은 알콕사이드 또는 아릴옥사이드 그리고 R2는 알킬, 아릴, 알콕사이드, 아릴옥사이드 또는 할로겐)인 화합물인 방법.
  20. 19항에, R1과 R2가 에톡사이드인 방법.
  21. 19항에서, 마그네슘 화합물이 Mg4(OCH3)6(CH3OH)10X|2(여기서, X는 레졸시놀 또는 치환된 레졸시놀 모노음이온)인 방법.
  22. 16항에서, α-올레핀이 프로피레인 방법.
  23. 16항에서, α-올레핀이 1-부텐인 방법.
  24. a)전자 공여체의 존재하에 진행되는 마그네슘 옥시 화합물과 4가 티타늄 호합물의 반응 생성물; b)오르가노알루미늄 화합물; c)최소한 하나의 질소원자에 인접한 탄소원자상에 존재하는 치환체에 의해 부적당하게 장애를 받지 않는 방향족 헤테로고리 질소 화합물로 이루어진 탄소 원자의 수가 최소한 3인 α-올레핀을 지니고 있고, 평균 블록길이가 짧은 것이 특징인 엘라스토머계, 주로 입체규칙성 폴리-α-올레핀 제조용 촉매.
  25. 24항에서, 4가의 티타늄 할라이드가 티타늄 테트라클로라이드인 촉매.
  26. 제25항에서, 마그네슘 옥시 화합물이 MgR1R2(여기서 R1은 알콕사이드 또는 아릴옥사이드 그리고 R2는 알킬, 아릴, 알콕사이드, 아릴옥사이드 또는 할로겐)인 화합물인 촉매.
  27. 26항에서, 질소 화합물이 2,3-디메틸퀴녹살린, 퀴날딘, 2,6-루타딘, 2,4,6-콜리딘 또는 2,4-디메틸퀴놀린인 촉매.
  28. 27항에서, R1과 R2가 에톡시인 촉매.
  29. 27항에서, 마그네슘 옥시 화합물이 Mg4(OCH3)6(CH3OH)10X2(여기서, X는 레졸시놀 또는 치환된 레졸시놀 모노음이온)인 방법.
  30. 26항에서, 질소 화합물이 2,6-디클로로피리딘, 2-클로로퀴놀린, 2,4,6-트리클로로피리미딘, 2-클로로-6-메톡시피리딘, 2,3-디클로로퀴녹살린 또는 2,4,5,6-테트라클로로피리미딘인 촉매.
  31. 30항에, R1과 R2가 에톡시인 촉매.
  32. 30항에서, 마그네슘 옥시 화합물이 Mg4(OCH3)6(CH3OH)10X2(여기서, X는 레졸시놀 또는 치환된 레졸시놀 모노음이온)인 촉매.
  33. 26항에서, 질소 화합물이 파라진, 3,4,5-트리클로로피리다진, 1,3,5-트리아진, 페나진, 피리딘, 2,6-디메틸피라진, 퀴나졸린, 4,6-디클로로피리미딘, 2-피콜린, 2,3,5-트리메틸피라진, 아크리딘, 2-메틸피라진 2,5-디메틸피라진, 2,3-디메틸피라진, 2,3-디클로로퀴녹살린, 퀴놀린, 피리다진 또는 2,4-디클로로피리미딘인 촉매.
  34. 33항에서, R1과 R2가 에톡시인 촉매.
  35. 33항에서, 마그네슘 옥시 화합물이 Mg4(OCH3)6(CH3OH)10X2(여기서, X는 레졸시놀 또는 치환된 레졸시놀 모노음이온)인 촉매.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910701430A 1989-04-25 1990-04-19 중합방법 및 촉매 KR940003857B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/342,832 US5270276A (en) 1989-04-25 1989-04-25 Process for the production of elastomeric, primarily syndiotactic polypropylene and catalysts for use in said process
US07/342832 1989-04-25
PCT/US1990/002036 WO1990012816A1 (en) 1989-04-25 1990-04-19 Polymerization process and catalyst

Publications (2)

Publication Number Publication Date
KR920701264A true KR920701264A (ko) 1992-08-11
KR940003857B1 KR940003857B1 (ko) 1994-05-04

Family

ID=23343460

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701430A KR940003857B1 (ko) 1989-04-25 1990-04-19 중합방법 및 촉매

Country Status (10)

Country Link
US (1) US5270276A (ko)
EP (1) EP0470171B1 (ko)
JP (1) JP3021037B2 (ko)
KR (1) KR940003857B1 (ko)
AT (1) ATE145925T1 (ko)
AU (1) AU650234B2 (ko)
CA (1) CA2053266C (ko)
DE (1) DE69029324T2 (ko)
ES (1) ES2097146T3 (ko)
WO (1) WO1990012816A1 (ko)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270276A (en) * 1989-04-25 1993-12-14 Shell Oil Company Process for the production of elastomeric, primarily syndiotactic polypropylene and catalysts for use in said process
TW219942B (ko) * 1990-12-26 1994-02-01 Shell Oil Co
USH1583H (en) * 1993-06-01 1996-08-06 Shell Oil Company Elastomeric polybutylene polymer
CA2131668C (en) * 1993-12-23 1999-03-02 Carol Galli Isolation structure using liquid phase oxide deposition
ES2151084T3 (es) * 1994-12-20 2000-12-16 Montell Technology Company Bv Polipropileno de mezcla de reactor y procedimiento para su preparacion.
US6265512B1 (en) * 1997-10-23 2001-07-24 3M Innovative Company Elastic polypropylenes and catalysts for their manufacture
US6387529B1 (en) * 1997-12-24 2002-05-14 Exxon Mobil Oil Corporation Biaxially oriented HDPE multilayer film
EP0931814A1 (en) * 1998-01-21 1999-07-28 Fina Research S.A. Polyolefins and uses thereof
US6436864B1 (en) 1999-10-06 2002-08-20 Sri International Unsaturated nitrogenous compounds as electron donors for use with ziegler-natta catalysts
KR20010057153A (ko) * 1999-12-18 2001-07-04 유현식 프로필렌 중합 및 공중합 방법
KR100377288B1 (ko) * 2000-06-12 2003-03-26 삼성종합화학주식회사 프로필렌의 중합 또는 공중합방법
US20030022786A1 (en) * 2001-05-03 2003-01-30 Epstein Ronald A. Catalyst for propylene polymerization
BR0309539A (pt) * 2002-05-06 2005-03-01 Union Carbide Chem Plastic Composições de catalisadores misturados para a produção de poliolefinas e seu uso
US20060247123A1 (en) * 2003-08-29 2006-11-02 Shaub Gina R Method for making partially dried readily dispersible olefin polymerization procatalyst
US7858706B2 (en) * 2004-03-17 2010-12-28 Dow Global Technologies Inc. Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation
AU2005224257B2 (en) 2004-03-17 2010-08-19 Dow Global Technologies Inc. Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation
AU2005224258B2 (en) 2004-03-17 2010-09-02 Dow Global Technologies Inc. Catalyst composition comprising shuttling agent for ethylene copolymer formation
TW200536870A (en) 2004-03-17 2005-11-16 Dow Global Technologies Inc Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation
MX2007011340A (es) * 2005-03-17 2007-10-03 Dow Global Technologies Inc Composicion de catalizador que comprende un agente de transporte para la formacion de copolimero de bloques multiples regio-irregular.
US9410009B2 (en) 2005-03-17 2016-08-09 Dow Global Technologies Llc Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
KR20070117675A (ko) 2005-03-17 2007-12-12 다우 글로벌 테크놀로지스 인크. 택틱/아택틱 멀티-블록 공중합체의 형성을 위한 이동제를포함하는 촉매 조성물
US7662895B2 (en) * 2005-11-22 2010-02-16 Exxonmobil Chemical Patents Inc. Syndiotactic propylene elastomers
US7732540B2 (en) * 2006-12-08 2010-06-08 Sumitomo Chemical Company, Limited Process for producing olefin copolymerization catalyst and process for producing olefin copolymer
US7605215B2 (en) * 2006-12-08 2009-10-20 Sumitomo Chemical Company, Limited Process for producing olefin copolymerization catalyst and process for producing olefin copolymer
JP5799866B2 (ja) * 2012-03-15 2015-10-28 日本ポリプロ株式会社 α−オレフィン重合用固体触媒成分、α−オレフィン重合用固体触媒成分の製造方法、α−オレフィン重合用触媒およびα−オレフィン重合体の製造方法
BR112022021357A2 (pt) 2020-04-30 2022-12-06 Dow Global Technologies Llc Sistemas pró-catalisador e catalisador, métodos para sintetizar um sistema pró-catalisador e um polímero de poliolefina, e, método para produzir um sistema catalisador

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112301A (en) * 1963-11-26 Table
LU34560A1 (ko) * 1954-06-08 1958-02-03
NZ126521A (ko) * 1959-06-06
NL273776A (ko) * 1961-01-30
US3305538A (en) * 1961-11-22 1967-02-21 Montedison Spa Polymerization process
US3329741A (en) * 1963-05-08 1967-07-04 Rexall Drug Chemical Process for preparing rubbery polymers with a catalyst comprising ti(or)4
US3364190A (en) * 1964-04-27 1968-01-16 Standard Oil Co Process for polymerizing propylene to syndiotactic polypropylene
US3240773A (en) * 1964-07-22 1966-03-15 Shell Oil Co Polymerization of alpha-monoolefins in the presence of titanium trichloride, organometallic reducing agent comprising zinc dihydrocarbyl, and an organic amine
US3534006A (en) * 1966-03-25 1970-10-13 Toray Industries Methods of polymerizing alpha-olefins with a transition metal and a bis(dialkylaluminumoxy)alkane compound
US3355121A (en) * 1966-10-13 1967-11-28 Sonoco Products Co Expansible chuck for tubular core
NL160286C (ko) * 1971-06-25
US4107413A (en) * 1971-06-25 1978-08-15 Montedison S.P.A. Process for the stereoregular polymerization of alpha olefins
US4226963A (en) * 1971-06-25 1980-10-07 Montedison S.P.A. Process for the stereoregular polymerization of alpha-olephins
US4317898A (en) * 1972-01-31 1982-03-02 Standard Oil Company (Indiana) Catalyst and process for the polymerization of olefins
GB1486194A (en) * 1973-12-04 1977-09-21 Ici Ltd Olefine polymer olefine polymerisation process and catalyst
IE40215B1 (en) * 1973-12-04 1979-04-11 Ici Ltd Olefine polymer, olefine polymerisation process and catalyst
DD124254A5 (ko) * 1974-01-18 1977-02-09
US3950269A (en) * 1974-05-20 1976-04-13 E. I. Du Pont De Nemours & Co. Olefin polymerization catalyst system and process for polymerization of olefins
US4011383A (en) * 1974-05-20 1977-03-08 E. I. Du Pont De Nemours And Company Tetra(neophyl) zirconium and its use in process for the polymerization of olefins
US3932307A (en) * 1974-05-20 1976-01-13 E. I. Du Pont De Nemours And Company Tetra(neophyl) zirconium and its use in process for the polymerization of olefins
US3971767A (en) * 1974-05-20 1976-07-27 E. I. Du Pont De Nemours And Company Olefin polymerization catalyst system and process for polymerization of olefins
US4017525A (en) * 1975-05-20 1977-04-12 E. I. Dupont De Nemours And Company Tetra(neophyl) zirconium
US4189556A (en) * 1976-06-16 1980-02-19 Standard Oil Company (Indiana) Polymerization process
JPS5952166B2 (ja) * 1976-06-29 1984-12-18 三井化学株式会社 ポリオレフインの製造方法
US4335225A (en) * 1978-06-20 1982-06-15 E. I. Du Pont De Nemours And Company Elastomeric polypropylene
US4310439A (en) * 1979-03-07 1982-01-12 Exxon Research & Engineering Co. Novel trialkyl aluminum cocatalyst
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
US4255281A (en) * 1979-07-03 1981-03-10 Standard Oil Company (Indiana) Alpha-olefin polymerization catalyst and process
FR2460964A1 (fr) * 1979-07-06 1981-01-30 Naphtachimie Sa Copolymeres elastomeres d'ethylene et de propylene, leur fabrication et leurs applications
US4487845A (en) * 1980-05-09 1984-12-11 Stauffer Chemical Company Method of enhancing stereospecificity of a catalyst system
US4347160A (en) * 1980-06-27 1982-08-31 Stauffer Chemical Company Titanium halide catalyst system
US4325836A (en) * 1980-07-18 1982-04-20 Stauffer Chemical Company Novel titanium halide containing catalyst
US4394291A (en) * 1981-03-04 1983-07-19 Phillips Petroleum Company Polyolefin polymerization process and catalyst
US4442276A (en) * 1982-02-12 1984-04-10 Mitsui Petrochemical Industries, Ltd. Process for polymerizing or copolymerizing olefins
US4581342A (en) * 1984-11-26 1986-04-08 Standard Oil Company (Indiana) Supported olefin polymerization catalyst
JPH06104687B2 (ja) * 1985-06-18 1994-12-21 東燃株式会社 オレフイン重合用触媒
JPH0725807B2 (ja) * 1985-12-20 1995-03-22 東燃株式会社 オレフイン重合用触媒成分の製造方法
US4710482A (en) * 1986-06-18 1987-12-01 Shell Oil Company Olefin polymerization catalyst component
GB8708778D0 (en) * 1987-04-13 1987-05-20 Ici Plc Particulate solid
US5270276A (en) * 1989-04-25 1993-12-14 Shell Oil Company Process for the production of elastomeric, primarily syndiotactic polypropylene and catalysts for use in said process

Also Published As

Publication number Publication date
JPH04504875A (ja) 1992-08-27
AU650234B2 (en) 1994-06-16
WO1990012816A1 (en) 1990-11-01
EP0470171B1 (en) 1996-12-04
CA2053266A1 (en) 1990-10-26
KR940003857B1 (ko) 1994-05-04
DE69029324T2 (de) 1997-04-30
ATE145925T1 (de) 1996-12-15
DE69029324D1 (de) 1997-01-16
ES2097146T3 (es) 1997-04-01
EP0470171A4 (en) 1992-10-28
AU5655790A (en) 1990-11-16
JP3021037B2 (ja) 2000-03-15
EP0470171A1 (en) 1992-02-12
US5270276A (en) 1993-12-14
CA2053266C (en) 1999-11-30

Similar Documents

Publication Publication Date Title
KR920701264A (ko) 중합방법 및 촉매
KR910007973A (ko) 헤미이소택틱 폴리프로필렌 제조용 촉매
CA2055218A1 (en) Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts
NZ250347A (en) Pyrimidine sulphonamides and pharmaceutical compositions
IL144793A0 (en) Process for the production of tert-butyl (e)-(6-[2[4-(4-fluorophenyl)-6-isopropyl-2-[methyl (methylsulfonyl) amino] pyrimidin-5-yl] vinyl] (4r,6s)-2,2-dimethyl [1,3]dioxan-4-yl) acetate
ES2085000T3 (es) Un compuesto de amido-metal de transicion y un sistema catalitico para la produccion de polipropileno isotactico.
AP1404A (en) Aryl substituted pyridines, pyrimidines, pyrazines and triazines and the use thereof.
EP3517534A1 (en) Compounds useful for treating cancer
CN101198590A (zh) 新型吡啶衍生物及嘧啶衍生物（3）
BR9705187A (pt) Metalocenos.
FI970150A (fi) Substituoituja pyrimidiiniyhdisteitä ja niiden käyttö
FI955609A (fi) Menetelmä käsinkirjoitetun syötteen tunnistamiseksi
WO1999017776A1 (en) Novel cycloalkenyl substituted compounds
EP2168576A3 (en) Tricyclic compounds for treating dyslipidemia and arteriosclerotic diseases
GB1413780A (en) Falme-retardant poly-aryloxy-phosphazene polymers
EA199800170A1 (ru) Производные 2-(4-замещенного)бензиламино-2-метилпропанамида
ES8401037A1 (es) "procedimiento para la preparacion de nuevos derivados de pirimidina o s-triacina".
CN1863794B (zh) 作为血管生成抑制剂的喹唑啉衍生物
AU8535182A (en) Pyridyl substituted pyridylalkyleneamino pyrimidones
Carver et al. The SRN1 mechanism in heteroaromatic nucleophilic substitution. Reactions involving certain dihalogenated. pi.-deficient nitrogen heterocycles
CA2264065A1 (en) Acylaminoalkenylene-amide derivatives as nk1 and nk2 antagonists
GB1343668A (en) Process for producing quinazolinone derivatives
DK0535023T3 (da) Fremgangsmåde til fremstilling af en polyolefin
MY103435A (en) Anti-anxiety agents
NO178730C (no) Stereospesifikt katalysatorsystem beregnet for polymerisering av olefiner

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20020403

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee