Separation and purification of sugar esters

Details Separation and purification of sugar esters Separation and purification of sugar esters

1989-03-17

1991-01-08

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536119, 536115, 536 186, 536120, C07H 100, C07H 1302

Patent

active

049837311

ABSTRACT:
The process uses two steps to separate the sugar ester from the crude sugar ester reaction product. The first step entails forming a precipitate of sugar ester from a mixture of alcohol, water and crude sugar ester reaction product. In a second subsequent step, the recovered sugar ester precipitate is washed with an organic solvent.

REFERENCES:
patent: 2893990 (1959-07-01), Hass et al.
patent: 2948716 (1960-08-01), Davis
patent: 3558597 (1971-01-01), von Brachel et al.
patent: 3644333 (1972-02-01), Osipow et al.
patent: 4104464 (1978-08-01), James

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