Tridentate ligand

United States of America Patent

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Jul 23, 2002
Grant Date
Apr 26, 2001
app pub date
Dec 4, 2000
filing date
Dec 17, 1996

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Abstract

Certain 2,6-pyridinecarboxaldehydebis(imine) and 2,6-diacylpyridinebis(imine) compounds are provided, which are particularly suitable for use as tridentate ligands in iron and cobalt olefin polymerization catalysts.

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Patent Owner(s)

Patent Owner	Address
DUPONT POLYMERS INC	CHESTNUT RUN PLAZA 974 CENTRE ROAD P O BOX 2915 WILMINGTON DE 19805

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C07D:HETEROCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Bennett, Alison Margaret Anne	Wilmington, DE	33	864

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Tridentate ligand

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09729305

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PATENT NO	6423848
APP PUB NO	20010000519A1
SERIAL NO	09729305
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 23, 2002	US,6423848,B2 US6423848B2	GRANTED PATENT AS SECOND PUBLICATION
April 26, 2001	US,20010000519,A1 US20010000519A1	FIRST PUBLISHED PATENT APPLICATION

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09729305

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