Method of purifying hydroxyalkyl amide

United States of America Patent

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Dec 25, 2007
Grant Date
May 12, 2005
app pub date
Nov 12, 2003
filing date
Nov 12, 2003

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Expired

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Abstract

A method for purifying hydroxyalkyl amide of residual alkanolamine by using nonpolar solvent, an acidic pH, salt solutions and an elevated temperature.

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Patent Owner	Address
CROMPTON CORPORATION	BENSON ROAD MIDDLEBURY CT 06749

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C11C:FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FAT....

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Inventor Name	Address	# of filed Patents	Total Citations
Fox, E Brian	Monroe, CT	6	126
Lambert, Timothy L	Waterbury, CT	13	130

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Method of purifying hydroxyalkyl amide

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United States of America Patent

10712830

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PATENT NO	7312346
APP PUB NO	20050097813A1
SERIAL NO	10712830
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 25, 2007	US,7312346,B2 US7312346B2	GRANTED PATENT AS SECOND PUBLICATION
May 12, 2005	US,20050097813,A1 US20050097813A1	FIRST PUBLISHED PATENT APPLICATION

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10712830

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