Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1992-02-19
1993-03-23
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
562467, 568742, C07B 5700
Patent
active
051965755
ABSTRACT:
A method of separating isomers of functionalized aromatic compounds using solvent-modified supercritical carbon dioxide is disclosed and claimed. In one embodiment, isomers of hydroxynaphthoic acid are separated by selective extraction of the more soluble species.
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Ferrell Michael W.
Hoechst Celanese Corp.
Killos Paul J.
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