Patent ID: 7998895
Filing Date: 2011-08-16
Classification: B01J,C07F,C08F

Abstract:
1. A polymerization catalyst component comprising a Group 3 through 11 transition metal or lanthanide metal complex of a ligand of the formula wherein: R Y is CR X is O, CR A is O, S, Se, N, P or As; Z is O, Se, N, P or As; each Q is independently hydrocarbyl or substituted hydrocarbyl; R R R R each T is independently ═O or ═NR R R R R each R m is 0 or 1; s is 1; n is 0 or 1; and q is 0 or 1; and provided that: any two of R any two of R when said ligand is (I), Y is C(O), Z is O, and R