Patent ID: 6100212
Filing Date: 2000-08-08
Classification: B01J,C08F

Abstract:
A catalyst composition comprising the reaction product of:a) a spirocycle of the formula: ##STR5## including oligomers thereof, wherein each R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 is independently hydrogen, hydrocarbyl, or a heteroatom-containing group; and any two or more of R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 can be joined to form a ring;b) a complex of the formula [L.sub.m MX.sub.n ].sub.r wherein each L is a neutral ligand, M is an atom selected from Groups 4, each X is an anionic group, m is an integer of 0 or greater, n is an integer of 1 or greater, and r is an integer of 1 or greater; andc) an activating cocatalyst.