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:
Dec. 20, 2011
Filed:
Oct. 26, 2007
Akinari Sugiyama, Settsu, JP;
Takehiro Chaki, Settsu, JP;
Akinari Sugiyama, Settsu, JP;
Takehiro Chaki, Settsu, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
The present invention provides a method for producing an olefin represented by General Formula (II): RfCF═CH(II) (wherein Rf is defined as below), wherein the method includes the step of contacting a fluorohalide represented by General Formula (I): RfCFCHX (I) (wherein Rf is H(CF)(n=1 to 8) or F(CF)(n=1 to 8), and X is Br or I) with a metal in a reaction medium of a polar organic solvent, or a mixed solvent of water and a polar organic solvent to conduct a dehalogenation reaction. The production method of the present invention provides olefins in a highly selective manner at a low cost and high yield under relatively mild reaction conditions.