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:
Jan. 07, 2014
Filed:
Sep. 04, 2009
Applicants:
Shuji Itatani, Settsu, JP;
Takuya Ichida, Settsu, JP;
Noriaki Shibata, Settsu, JP;
Kaori Ohno, Settsu, JP;
Inventors:
Shuji Itatani, Settsu, JP;
Takuya Ichida, Settsu, JP;
Noriaki Shibata, Settsu, JP;
Kaori Ohno, Settsu, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/48 (2006.01); C07C 53/21 (2006.01); C07C 59/135 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing a fluorocarboxylic acid, which includes a dehydration step of removing from a mixture containing a fluorocarboxylic acid and water at least a part of the water to obtain a dehydrated fluorocarboxylic acid solution, and a purification step of purifying the dehydrated fluorocarboxylic acid solution.