Patent ID: 6562750
Filing Date: 2003-05-13
Classification: C07F,C08F,Y10S

Abstract:
A catalyst composition comprising a catalyst precursor having a formula selected from the group consisting of: and wherein M is a metal selected from the group consisting of Group 3 to 10 and Lanthanide series elements; each X is selected from the group consisting of hydrogen, aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radicals having 1-20 carbon atoms, â€”NR2 or RCO2â€”wherein R is a hydrocarbon radical having 1 to 20 carbon atoms, and halogens; o is 0, 1, 2, or 3 depending on the valence of M; each R1, R2, R3, and R4 is a hydrocarbon group containing 1 to 20 carbon atoms and two or more adjacent R1, R2, R3, or R4 groups may be joined to form an aliphatic or aromatic ring; and each m is independently from 0 to 4; and an activating cocatalyst.