Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2007-07-10
2007-07-10
Lu, Caixia (Department: 1713)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S103000, C502S167000, C526S132000, C526S133000, C526S134000, C526S161000, C526S165000, C526S172000
Reexamination Certificate
active
11435953
ABSTRACT:
Ligands, compositions, metal-ligand complexes and arrays with substituted bridged bis-biaromatic ligands, and methods of making and using the same, are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers. The catalysts 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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Bei Xiaohong
Boussie Thomas R.
Brümmer Oliver
Diamond Gary M.
LaPointe Anne M.
Lu Caixia
Symyx Technologies Inc.
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