Patent ID: 7531608

Claim:
A transition metal complex of Formula 1: where R 1 and R 2 are each independently a hydrogen atom; a C1-C20 alkyl, aryl, or silyl radical; a C1-C20 alkenyl, alkylaryl, or arylalkyl radical; or a metalloid radical of Group 14 metal substituted with hydrocarbyl, wherein R 1 and R 2 can be connected by an alkylidine radical that contains a C1-C20 alkyl or aryl radical to form a ring; R 4 is each independently a hydrogen atom; a halogen radical; or a C1-C20 alkyl or aryl radical, wherein two R 4 can be connected to form a fused ring structure; R 3 is hydrogen atom; a C1-C20 alkyl or aryl radical; or a C1-C20 alkoxy or aryloxy radical; M is a transition metal of Group 4; Q 1 , Q 2 , and Q 3 are each independently a halogen radical; an amino radical; a C1-C20 alkyl or aryl amido radical; or a C1-C20 alkyl, alkenyl, aryl, alkylaryl, or arylalkyl radical; and X is halogen.