Catalyst composition for alkene oligomerisation and...

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B01J 31/12 (2006.01) B01J 2/30 (2006.01) B01J 31/02 (2006.01) B01J 31/22 (2006.01) C07C 2/04 (2006.01) C07C 2/34 (2006.01) C07C 11/02 (2006.01) C07C 11/12 (2006.01) C08F 4/16 (2006.01) C08F 4/643 (2006.01) C08F 4/646 (2006.01) C08F 4/657 (2006.01) C08F 10/00 (2006.01) C10G 50/00 (2006.01)

Patent

CA 2108923

A B S T R A C T CATALYST COMPOSITION FOR ALKELENE OLIGOMERISATION AND CO-OLIGOMERISATION A catalyst composition comprising a first component which is a substituted-bis(cyclopentadienyl) titanium, zirconium or hafnium compound, also containing a substituent which is attached to the metal and which is capable of reacting with a cation and a second component which is a compound having a bulky and labile anion which is substantially non-coordinating under the reaction conditions and a cation, wherein each of the two cyclopentadienyl radicals is differently substituted by from 1 to 5 hydrocarbon substituents, none of which is attached to the metal, the total number of substituents being from 2 to 9.

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