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:
Oct. 20, 2015
Filed:
Mar. 21, 2013
Daikin Industries, Ltd., Osaka, JP;
Masayuki Kishimoto, Osaka, JP;
Yuzo Komatsu, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
Provided is a process for preparing 2-chloro-3,3,3-trifluoropropene, wherein at least one chlorine-containing compound selected from the group consisting of chloropropane represented by formula (1): CXCHClCHCl, wherein each X is the same or different and each represents Cl or F, chloropropene represented by formula (2): CClYCCl═CH, wherein each Y is the same or different and each represents Cl or F, and chloropropene represented by formula (3): CZ═CClCHCl, wherein each Z is the same or different and each represents Cl or F, is used as a starting compound, and said at least one chlorine-containing compound is reacted with hydrogen fluoride while being heated in a gaseous state in the presence of 50 ppm or more of water relative to the chlorine-containing compound. The process of the present invention makes it possible to produce 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) in a manner that is easily conducted, economically advantageous, and suitable for industrial scale production.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile