Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1994-12-15
1995-11-28
Prescott, Arthur C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
562513, 562530, 560179, 23295R, C07C 5142, A44B 104, A44B 1125
Patent
active
054710014
ABSTRACT:
Crystallization of adipic acid using low intensity ultrasonic agitation during crystallization results in purer product that is more readily handled. Apparatus for carrying out the process is also disclosed.
REFERENCES:
patent: 4052441 (1977-10-01), Brunner
patent: 4254283 (1981-03-01), Mock
patent: 4650507 (1987-03-01), Cheng et al.
patent: 4867817 (1989-09-01), Kneafsey et al.
Anderson Howard W.
Carberry John B.
Staunton Harold F.
Sutradhar Bhagya C.
E. I. Du Pont de Nemours and Company
Prescott Arthur C.
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