Recrystallization of bisphenol a by azeotropically drying...

Details Recrystallization of bisphenol a by azeotropically drying... Recrystallization of bisphenol a by azeotropically drying...

C - Chemistry, Metallurgy

07

C

260/623.7

C07C 37/84 (2006.01) C07C 39/16 (2006.01)

Patent

CA 1250002

ABSTRACT This invention discloses a high yield azeotropic separation procedure for isomers of bisphenol A. Specifically, the o,p'-isomer is sepa- rated from the p,p'-isomer by removal of a cosolvent thus producing crystallization. Water and an organic solvent not miscible with water are used as cosolvents.

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