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. 10, 2013
Filed:
Jun. 23, 2011
Hirokazu Takagi, Tokyo, JP;
Hidekazu Okamoto, Tokyo, JP;
Satoshi Kawaguchi, Tokyo, JP;
Yu Takeuchi, Tokyo, JP;
Kunio Watanabe, Tokyo, JP;
Koichi Yanase, Tokyo, JP;
Shingo Nomura, Tokyo, JP;
Hirokazu Takagi, Tokyo, JP;
Hidekazu Okamoto, Tokyo, JP;
Satoshi Kawaguchi, Tokyo, JP;
Yu Takeuchi, Tokyo, JP;
Kunio Watanabe, Tokyo, JP;
Koichi Yanase, Tokyo, JP;
Shingo Nomura, Tokyo, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
The object is to provide a process whereby it is possible to produce 2,3,3,3-tetrafluoropropene at a high conversion ratio constantly for a long period of time. A process for producing 2,3,3,3-tetrafluoropropene, which comprises reacting a raw material compound of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen, in the presence of a noble metal catalyst supported on active carbon having an ash content of at most 3% as measured in accordance with ASTM D2866.