Sorbitan ester purification process

Details Sorbitan ester purification process Sorbitan ester purification process

1992-10-15

1994-04-26

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30720

Patent

active

053068319

ABSTRACT:
Polyol impurities in a sorbitan ester mixture is removed by treating a polyol-containing sorbitan ester dissolved in a solution containing a hydrocarbon and a polar organic solvent with an aqueous metal halide salt solution.

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R. Prasad and K. K. Sirkar, "Dispersion-Free Solvent Extraction With Microporous Hollow-Fiber Modules," AiChe J. 34(2), 177 (1988).

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