C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 65/11 (2006.01) C07B 63/00 (2006.01) C07C 51/42 (2006.01) C07C 51/487 (2006.01) C07C 67/48 (2006.01) C07C 209/86 (2006.01) C07C 315/06 (2006.01) C07C 317/36 (2006.01) G01N 30/02 (2006.01) G01N 30/06 (2006.01)
Patent
CA 2129118
2129118 9316970 PCTABS00025 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.
Hoechst Celanese Corporation
Smart & Biggar
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