Patent ID: 6887819
Filing Date: 2005-05-03
Classification: C08F,Y10S

Abstract:
1. A composition of matter comprising a contact product of at least one solid mixed oxide compound, at least one organometal compound, and at least one organoaluminum compound, wherein the organometal compound has the following general formula wherein M (X (X (X (X the substituents on the substituted cyclopentadienyls, substituted indenyls and substituted fluorenyls are independently an aliphatic group, a cyclic group, a combination of aliphatic and cyclic groups, an organometallic group, or hydrogen; wherein the organoaluminum compound has the following general formula wherein (X (X “n” is a number from 1 to 3 inclusive; wherein the solid mixed oxide compound comprises a mixed oxide of at least two elements of group 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, or 15 of the periodic table, including lanthanides and actinides; and wherein there is a substantial absence of aluminoxanes and borate compounds.