Patent ID: 7345119
Filing Date: 2008-03-18
Classification: C08F

Abstract:
1. An olefin polymerization solid catalyst comprising a reaction product of(C) a transition metal compound of the following formula (1) or (2) and (D) a trialkylaluminum compound supported on a support having (A) silica treated with (B) an organoaluminum-oxy compound; wherein M is titanium, zirconium or hafnium, Cp is a group having a cyclopentadienyl structure, R wherein M is titanium, zirconium or hafnium, Cp is a group having a cyclopentadienyl structure, R the catalyst is prepared, in a solvent or in the absence of a solvent, by contacting the reaction product of (C) and (D), with (A) treated with (B).