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
11436145
ABSTRACT:
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.
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Boussie Thomas R.
Brümmer Oliver
Diamond Gary M.
Goh Christopher
LaPointe Anne M.
Lu Caixia
Symyx Technologies Inc.
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