Patent ID: 6281308
Filing Date: 2001-08-28
Classification: B01J,C08F,Y10S

Abstract:
A method which comprises polymerizing an olefin in the presence of a catalyst comprising:(a) a compound of the formula: ##STR7##wherein M is a Group 3-10 transition metal;A is O, S, N--R"", or P--R"";L is an anionic ligand;X is hydride, halide, C.sub.1 -C.sub.20 alkoxy, siloxy, hydrocarbyl, or dialkylamido;R, R', and R"", which are the same or different, are selected from the group consisting of hydrogen and C.sub.1 -C.sub.20 hydrocarbyl;and m+n equals the valency of M minus 1; and(b) an activator.