PROCESS FOR THE PURIFICATION OF CARBOXYLIC ACIDS
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United States of America Patent
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Nov 26, 2015
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Dec 20, 2013
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Dec 21, 2012
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Abstract
A process for the purification of carboxylic acid having a chain length from one to five carbon atoms is disclosed herein. The process includes transforming the carboxylic acid to its monoester and/or its diester, and processing the mono- and/or the diester of the carboxylic acid by subcritical or supercritical fluid chromatography using a subcritical or supercritical mobile phase.
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