Patent ID: 8435914

Claim:
A polymerization catalyst system comprising: a first catalyst compound; and a second catalyst compound; wherein the first catalyst compound comprises an oxadiazole-containing compound having essentially no hydrogen response, said oxadiazole compound having the following structure: where: M is selected from the group consisting of Ti, Zr, and Hf; at least one of R 1 through R 9 is substituted with a moiety having the following structure: structure Ia is attached at any one of R 1 through R 9 at the R 10 or R 11 position; at least one of nitrogen N 1 or N 2 forms a dative bond with metal M; each of R 1 through R 11 are independently selected from the group consisting of hydride, hydrocarbyl, lower hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, alkyl, lower alkyl, substituted alkyl, heteroalkyl, alkenyl, lower alkenyl, substituted alkenyl, heteroalkenyl, alkynyl, lower alkynyl, substituted alkynyl, heteroalkynyl, alkoxy, lower alkoxy, aryloxy, hydroxyl, alkylthio, lower alkyl thio, arylthio, thioxy, aryl, substituted aryl, heteroaryl, aralkyl, aralkylene, alkaryl, alkarylene, halide, haloalkyl, haloalkenyl, haloalkynyl, heteroalkyl, heterocycle, heteroaryl, heteroatom-containing group, silyl, boryl, phosphino, phosphine, amino, and amine; and X is least one leaving group.