Catalyst composition

C - Chemistry – Metallurgy – 07 – F

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C07F 17/00 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 12/06 (2006.01) C08F 32/00 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)

Patent

CA 2081432

T 1461 A B S T R A C T CATALYST COMPOSITION Catalyst compositions based upon a. a Group IVA metal compound of the general formula (Cp)MeX4-p wherein Cp represents identical or different cyclopentadienyl groups which may be substituted with one or more hydrocarbyl groups with the understanding that at least one cyclopentadienyl group is substituted with a single optionally substituted aryl group, Me represents a Group IVA metal, X represents one or more substituents attached to the Group IVA metal which substituents are selected from the group consisting of hydrocarbyl groups, hydrocarboxy groups, hydrocarbamide groups, hydrogen and halogen, and p is an integer of from 1 to 4, and b. an aluminoxane, and a process for the polymerisation of one or more alpha-olefins comprising contacting the alpha-olefin(s) with a catalyst composition as described hereinbefore. TH1/T1461FF

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