Adipic acid purification

Details Adipic acid purification Adipic acid purification

1992-12-18

1994-03-22

Prescott, Arthur C.

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

Organic compounds

Carboxylic acids and salts thereof

562530, 203 15, 203 48, C07C 5142

Patent

active

052966399

ABSTRACT:
A process for purification of adipic acid during crystallization by modifying the crystal morphology to decrease incorporation of impurities through the introduction of an effective amount of an additive to the crystallizing solution.

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patent: 4874700 (1989-10-01), Seipenbusch
patent: 5034105 (1991-07-01), Berglund et al.
patent: 5104492 (1992-04-01), King et al.
Addadi et al., Angew. Chem. Int. Ed. Engl., vol. 24, pp. 466-485 (1985).
Shimon et al., Nouveau J. de Chemie, vol. 10, No. 12, pp. 723-737 (1986).
Addadi et al., Top. Stereochem., 16, 1 (1986).

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