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:
Sep. 22, 2009
Filed:
Apr. 26, 2005
Applicants:
Seiji Takubo, Settsu, JP;
Takuji Kume, Settsu, JP;
Akinori Yamamoto, Settsu, JP;
Chie Sawauchi, Settsu, JP;
Hisako Nakamura, Settsu, JP;
Inventors:
Seiji Takubo, Settsu, JP;
Takuji Kume, Settsu, JP;
Akinori Yamamoto, Settsu, JP;
Chie Sawauchi, Settsu, JP;
Hisako Nakamura, Settsu, JP;
Assignee:
Daikin Industries, Ltd., Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for producing carbonyl difluoride comprising a step of reacting trifluoromethane with oxygen or an oxygen-containing gas while heating.