Supported polymerization catalyst
AssigneeExxon Chemical Patents Inc.
InventorHoward C. Welborn, Jr.
Life of this patent
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Abstract
An olefin polymerization catalyst comprising (a) a supported transition metal containing component comprising the support treated with at least one metallocene and at least one non-metallocene transition metal compound, and a cocatalyst comprising an alumoxane and an organometallic compound of a metal of Groups IA, IIA, IIB, or IIIA of the Periodic Table.
Claims20
An olefin polymerization supported catalyst component comprising a support treated with at least one metallocene of a Group IVB or VB metal and at least one non-metallocene compound of a Group IVB, VB, or VI transition metal.
An olefin polymerization supported catalyst system comprising
- I. a cocatalyst comprising
- (a) an alumoxane, and
- (b) an organometallic compoound of a metal of Groups IA, IIA, IIB, and IIIA of the Perodic Table, and
- II. a supported catalyst component of comprising a support treated with at least one metallocene of a Group IVB or VB metal and at least one non-metallocene compound of a Group IVB, VB, or VIB transition metal compound.
Dependencies are inferred from the claim text.