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:
Apr. 16, 2013
Filed:
Jun. 25, 2009
Masatoshi Nose, Settsu, JP;
Akinari Sugiyama, Settsu, JP;
Atsushi Suzuki, Settsu, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
The present invention provides a process for preparing a fluorine-containing propene represented by the chemical formula CFCF═CXX, wherein Xis a hydrogen atom or chlorine atom, and Xis a fluorine atom, chlorine atom, or hydrogen atom, by reacting a halogenated propene represented by the chemical formula CCIYZCF═CXX, wherein Xand Xare the same as above, and Y and Z may be the same or different and individually indicate a fluorine atom or chlorine atom, with anhydrous hydrogen fluoride in a gas phase in the presence of a chromium oxide or a fluorinated chromium oxide as a fluorination catalyst. The process of the present invention provides a fluorine-containing propene represented by the chemical formula CFCF═CClX, wherein X is Cl, H or F, under relatively mild conditions at a high yield.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile