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. 01, 2013
Filed:
Jul. 24, 2009
Masatoshi Nose, Settsu, JP;
Daisuke Karube, Settsu, JP;
Akinari Sugiyama, Settsu, JP;
Takashi Shibanuma, Settsu, JP;
Takehiro Chaki, Settsu, JP;
Masatoshi Nose, Settsu, JP;
Daisuke Karube, Settsu, JP;
Akinari Sugiyama, Settsu, JP;
Takashi Shibanuma, Settsu, JP;
Takehiro Chaki, Settsu, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
The present invention provides a process for producing 2,3,3,3-tetrafluoropropene represented by the formula CFCF═CH, comprising contacting a fluorine-containing propane represented by the formula CFXCFYCHZ, wherein X is Cl, Br, or I; one of Y and Z is H, and the other is F, Cl, Br, or I, with at least one catalyst selected from the group consisting of chromium oxides, fluorinated chromium oxides, and iron fluorides in a gas phase. According to the process of the invention, 2,3,3,3-tetrafluoropropene can be easily produced under economically advantageous conditions.