EP 1339759 A4 20060329 - PREPOLYMERIZATION METHOD OF $g(a)-OLEFIN
Title (en)
PREPOLYMERIZATION METHOD OF $g(a)-OLEFIN
Title (de)
VERFAHREN ZUR PREPOLYMERISATION VON $g(a)-OLEFIN
Title (fr)
PROCEDE DE PREPOLYMERISATION D'$G(A)-OLEFINE
Publication
Application
Priority
- KR 0101757 W 20011018
- KR 20000066410 A 20001109
Abstract (en)
[origin: WO0238622A1] The present invention relates to a method for the prepolymerization of alpha -olefin in the presence of a catalyst system which comprises (a) a magnesium supported solid complex titanium catalyst and (b) an organometallic compound of metal of Group I or III of the Periodic Table, characterized in that an inert solvent having high viscosity with molecular weight of 300g/mole or more is used as a reaction medium.
IPC 1-7
IPC 8 full level
C08F 4/64 (2006.01); C08F 4/642 (2006.01); C08F 4/654 (2006.01); C08F 110/06 (2006.01)
CPC (source: EP KR)
C08F 4/642 (2013.01 - KR); C08F 110/06 (2013.01 - EP)
Citation (search report)
- [X] WO 0047638 A2 20000817 - BOREALIS AS [DK], et al
- [Y] EP 0415588 A1 19910306 - BP CHEM INT LTD [GB]
- [Y] EP 0588277 A2 19940323 - FINA TECHNOLOGY [US]
- [Y] GB 1008221 A 19651027 - GRACE W R & CO
- [A] US 5948872 A 19990907 - KIOKA MAMORU [JP], et al
- [DA] US 4482687 A 19841113 - NOSHAY ALLEN [US], et al
- [DA] US 3642746 A 19720215 - KASHIWA NORIO, et al
- See references of WO 0238622A1
Citation (examination)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0238622 A1 20020516; WO 0238622 A8 20030501; CN 1210311 C 20050713; CN 1478100 A 20040225; EP 1339759 A1 20030903; EP 1339759 A4 20060329; JP 2004513991 A 20040513; KR 100389961 B1 20030702; KR 20020036286 A 20020516
DOCDB simple family (application)
KR 0101757 W 20011018; CN 01819704 A 20011018; EP 01981108 A 20011018; JP 2002541953 A 20011018; KR 20000066410 A 20001109