Process for producing fluoroalkylcarboxylic acid

Details Process for producing fluoroalkylcarboxylic acid Process for producing fluoroalkylcarboxylic acid

2005-05-10

2005-05-10

Zucker, Paul A. (Department: 1621)

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

Organic compounds

Carboxylic acids and salts thereof

C562S605000

Reexamination Certificate

active

06891064

ABSTRACT:
The present invention provides a process for producing a fluoroalkylcarboxylic acid of the formula RfCOOH wherein Rf is a C1-16fluoroalkyl group, which comprises oxidizing a fluoroalkyl alcohol of the formula RfCH2OH wherein Rf is as defined above using nitric acid. The process according to the present invention produces a fluoroalkylcarboxylic acid with high selectivity at low costs.

REFERENCES:
patent: 2557282 (1951-06-01), Hamblet et al.
patent: 2559629 (1951-07-01), Berry
patent: 3678106 (1972-07-01), Ager
patent: 3678107 (1972-07-01), Yonemitsu et al.
patent: 2 116 212 (1972-02-01), None
patent: 10-502049 (1998-02-01), None
Baer, Fluoro Alcohols, Industrial and Engineering Chemistry, vol. 51, No. 7, Jul. 1959, 929-930.
Patent Abstracts of Japan, vol. 005, No. 164, Oct. 21, 1981, JP 56 092832, Jul. 27, 1981.

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