Patent ID: 6271325
Filing Date: 2001-08-07
Classification: C07C,C08F,Y10S

Abstract:
A polymerization process comprising combining in the gas or slurry phase an olefin with an activator, a support and a compound represented by the following formula: ##STR7##whereinM is a group 3 to 14 metal,each X is independently an anionic leaving group,n is the oxidation state of M,m is the formal charge of the YZL ligand,Y is a group 15 element,Z is a group 15 element,L is a group 15 or 16 element,R.sup.1 and R.sup.2 are independently a C.sub.1 to C.sub.20 hydrocarbon group, a heteroatom containing group, silicon, germanium, tin, lead, or phosphorus,R.sup.1 and R.sup.2 may also be interconnected to each other,R.sup.3 is absent, or is hydrogen, a group 14 atom containing group, a halogen, or a heteroatom containing group,R.sup.4 and R.sup.5 are independently an aryl group, a substituted aryl group, a cyclic alkyl group, a substituted cyclic alkyl group, or a multiple ring system,R.sup.6 and R.sup.7 are independently absent, hydrogen, halogen, a heteroatom, a hydrocarbyl group, or a heteroatom containing group.