Separating carboxylic acids

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United States of America

PATENT NO 10550064
APP PUB NO 20180312459A1
SERIAL NO

15769568

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Abstract

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A process of separating carboxylic acids comprising two steps. The first step is to provide an aqueous solution comprising (i) one or more mono-carboxylic acids, (ii) one or more di-carboxylic acids, and (iii) one or more tri-carboxylic acids. The second step is to pass the aqueous solution through a collection of resin particles, where the resin particles comprise covalently bound quaternary ammonium groups, and wherein the collection of resin particles has uniformity coefficient of 1.5 or less.

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Patent Owner(s)

Patent OwnerAddress
THE DOW CHEMICAL COMPANY2200 WEST SALZBURG ROAD PO BOX 994 AUBURN MI 48611

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baudouin, Stanislas La Rochelle, FR 13 56
Gisch, Daryl J Midland, US 18 59
Martin, Collin H North Wales, US 8 4
Pease, Stephen Ambler, US 8 7

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