Patent ID: 7157400

Claim:
A polymerization process, comprising subjecting one or more monomers to a catalyst under polymerization conditions, wherein said one or more monomers comprises styrene or substituted styrene and wherein said catalyst comprises: a metal-ligand complex characterized by the following formula: wherein R 1 is selected from the group consisting of alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, heteroalkyl, substituted heteroalkyl, heterocycloalkyl, substituted hetercycloalkyl, aryl, substituted aryl, heteroaryl, and substituted heteroaryl; R 2 , R 3 , R 4 , R 5 , R 6 , and R 7 are independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, heteroalkyl, substituted heteroalkyl, heterocycloalkyl, substituted hetercycloalkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, alkoxyl, aryloxyl, silyl, boryl, phosphino, amino, thio, seleno, and nitro; each L is independently selected from the group consisting of halide, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, heteroalkyl, substituted heteroalkyl heterocycloalkyl, substituted heterocycloalkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, alkoxy, aryloxy, hyciroxy, boryl, silyl, amino, amine, hydrido, allyl, diene, seleno, phosphino, phosphine, ether, thioether, carboxylates, thio, 1,3-dionates, oxalates, carbonates, nitrates, suiphates, ethers, and thioethers; optionally two or more L groups are combined in a ring structure; n is 1, 2, 3, or 4; and x is 1 or 2; and an activator, combination of activators, activating technique or activating package.