Methods of using heterocycle-amine ligands, compositions, complexes, and catalysts
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United States of America Patent
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Jan 5, 2010
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Apr 29, 2008
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Sep 22, 2004
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Abstract
Ligands, compositions, and metal-ligand complexes that incorporate heterocycle-amine compounds are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers. The catalyst 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 to form isotactic polypropylene.
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