Catalysts for olefin polymerization

United States of America Patent

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Apr 25, 2006
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Jun 2, 2005
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Mar 5, 2003
filing date
Mar 6, 2002

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Expired

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Abstract

Late transition metal complexes of certain neutral iminophosphine ligands are useful as components of polymerization catalysts for olefins. Useful metals in the complexes include Ni, Pd, Fe and Co. Oligomers and/or polymers of olefins such as ethylene can be made.

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Patent Owner	Address
E I DU PONT DE NEMOURS AND COMPANY	1007 MARKET STREET PATENT LEGAL GROUP WILMINGTON DE 19898

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C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....

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Inventor Name	Address	# of filed Patents	Total Citations
Brookhart, Maurice S	Chapel Hill, NC	23	733
Daugulis, Olafs	Carrboro, NC	5	10

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Catalysts for olefin polymerization

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United States of America Patent

10501132

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PATENT NO	7034093
APP PUB NO	20050119429A1
SERIAL NO	10501132
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 25, 2006	US,7034093,B2 US7034093B2	GRANTED PATENT AS SECOND PUBLICATION
June 02, 2005	US,20050119429,A1 US20050119429A1	FIRST PUBLISHED PATENT APPLICATION

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10501132

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