Symyx Technologies, Inc.

Margaret K Leclerc

Thomas R Boussie

Gary Michael Diamond

James A W Shoemaker

Anne Marie Lapointe

Christopher Goh

Oliver Brümmer

New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.

Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom

New ligands, compositions, metal-ligand complexes and arrays with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.

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Santa Clara, CA, United States of America

Margaret K Leclerc