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:
Aug. 18, 1981
Filed:
Mar. 28, 1980
Applicant:
Inventors:
Takashi Tohzuka, Settsu, JP;
Yohnosuke Ohsaka, Takatsuki, JP;
Assignee:
Daikin Kogyo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568399 ; 2605 / ; 570 / ;
Abstract
Hexafluoroacetone is prepared by reacting hexafluoropropene with oxygen in the presence of a metal oxide selected from the group consisting of tin oxides, iron oxides and indium oxides. These metal oxides can be readily handled and assure a stable reaction.