Patent ID: 7951743
Filing Date: 2011-05-31
Classification: B01J,C08F

Abstract:
1. A catalyst system comprising a bridged indenoindolyl transition metal complex, a non-bridged indenoindolyl transition metal complex, an alumoxane activator and a boron-containing activator selected from the group consisting of tris(pentafluorophenyl)boron, tris(pentabromophenyl) boron, lithium tetrakis(pentafluorophenyl) borate, anilinium tetrakis(pentafluorophenyl) borate, triphenylcarbenium tetrakis(pentafluorophenyl) borate, and mixtures thereof, wherein the bridged complex has a structure selected from VII or VIII: and the non-bridged complex has a general structure of IX: