The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2005
Filed:
May. 20, 1999
Applicants:
Kazuyoshi Ichihara, Settsu, JP;
Hirokazu Aoyama, Settsu, JP;
Inventors:
Kazuyoshi Ichihara, Settsu, JP;
Hirokazu Aoyama, Settsu, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C051/27 ; C07C053/21 ;
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for producing a fluoroalkylcarboxylic acid of the formula RfCOOH wherein Rf is a Cfluoroalkyl group, which comprises oxidizing a fluoroalkyl alcohol of the formula RfCHOH 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.