Patent ID: 6821920
Filing Date: 2004-11-23
Classification: B01J,C08F

Abstract:
A catalyst composition comprising:a) diimine nickel complexes having a formula selected from: wherein R can be the same or different and is a branched or linear alkyl or aromatic groups having from 1 to about 10 carbon atoms per alkyl group and can be in any position on the aromatic ring;wherein Râ€² can be the same or different and is hydrogen or a linear, branched, cyclic, bridging, aromatic, or aliphatic hydrocarbons, having from 1 to about 70 carbon atoms per radical group; wherein Râ€³CYCXCYRâ€³ can be the same or different and is selected from &agr;-deprotonated-&bgr;-diketones, &agr;-deprotonated-&bgr;-ketoesters, or mixtures thereof, and wherein Râ€³ and X can be the same or different and are individually selected from hydrogen; linear, branched, cyclic, bridging, aromatic, or aliphatic hydrocarbons; or mixtures thereof having from 1 to about 70 carbon atoms per radical group, optionally containing atoms other than carbon and hydrogen; wherein Y can be the same or different and is selected from oxygen, sulfur, or selenium; and wherein Z is a halogen selected from fluorine, chlorine, bromine, or iodine and b) methylaluminoxane.