Patent ID: 6566544
Filing Date: 2003-05-20
Classification: C08F,Y02P,Y10S

Abstract:
An indenyl compound represented by the general formula:Râ€²Ind-M-(Cp)-Qkâ€ƒâ€ƒ(1) whereinInd represents an indenyl group, Râ€² represents a substituent, other than hydrogen, bound to the Ind group at the 2-position, Cp represents a cyclopentadienyl group, M represents a transition metal from group 3, 4, 5, or 6 of the Periodic System of Elements, Q represents a ligand to M, and k is an integer linked to the valence of M, and wherein compounds in which the Cp-group is an indenyl group and in which either: a) the Ind- and the Cp-groups are bridged over the respective 1-positions, b) indenyl compound is bis(2,3-dimethyl-1-indenyl)zirconium-dichloride, or c) the indenyl compound is either ethyene-1-(3-but-3-enyl)inden-1-1yl-2((1-but-3-enyl)-inden-2-yl)-zirconiumdichloride, or ethylene-1-((3-allyldimethylsilyl)inden-1-yl)-2-((1-allyldimethylsilyl)inden-2-yl)zirconium-dichloride, are disclaimed.