Process for the synthesis of hydroxy aromatic acids

United States of America Patent

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May 26, 2009
Grant Date
Jun 12, 2008
app pub date
Feb 5, 2008
filing date
Nov 28, 2006

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Expired

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Abstract

Hydroxy aromatic acids are produced in high yields and high purity (>95%) from halogenated aromatic acids in a reaction mixture containing a copper source and a ligand that coordinates to copper.

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E. I. DU PONT DE NEMOURS AND COMPANY

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C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Ritter, Joachim C	Wilmington, US	100	483

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Process for the synthesis of hydroxy aromatic acids

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United States of America Patent

12025902

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PATENT NO	7538244
APP PUB NO	20080139843A1
SERIAL NO	12025902
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 26, 2009	US,7538244,B2 US7538244B2	GRANTED PATENT AS SECOND PUBLICATION
June 12, 2008	US,20080139843,A1 US20080139843A1	FIRST PUBLISHED PATENT APPLICATION

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12025902

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