Bridged, chiral metallocenes, processes for their...

C - Chemistry – Metallurgy – 07 – F

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C07F 7/00 (2006.01) C07C 13/567 (2006.01) C07F 7/08 (2006.01) C07F 9/00 (2006.01) C07F 17/00 (2006.01) C08F 4/76 (2006.01) C08F 10/00 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)

Patent

CA 2075550

HOE 91/F 244 Abstract of the disclosure: Bridged, chiral metallocenes, processes for their preparation and their use as catalysts Metallocenes of the formula I Image (I) in which, preferably, M1 is titanium, zirconium or hafnium, R1 is a radical Image in which M2 is carbon or silicon, R4 and R5 are identical and are hydrogen or an alkyl group, p is 1 or 2, R2 is hydrogen or an alkyl group and the radicals R3 are identical and are halogen or an alkyl group, form, together with an aluminoxane as a cocatalyst, a suitable catalyst system for olefin polymerization.

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