| abstract |
A catalyst composition comprising the reaction productnof:n a) a fulvene of the formula:n nincluding oligomers thereof, nwherein each R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 is independentlynhydrogen, hydrocarbyl, or a heteratom-containingngroup; and any two or more R groups may be joined tonform a ring; b) a complex of the formula [L m MX n ] r wherein each Lnis a neutral ligand, M is an atom selected from Groupsn3 to 14 and the Lanthanides, each X is an anionicngroup, m is an integer of 0 or greater, n is anninteger of 0 or greater, and r is an integer of 1 orngreater; and c) an activating cocatalyst. |