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:
Mar. 17, 2020
Filed:
May. 18, 2016
Daikin Industries, Ltd., Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
The present invention provides a method for producing a target fluorine-containing olefin with high conversion and selectivity using a process comprising a dehydrofluorination reaction of a hydrofluorocarbon. The method comprises a first reaction step comprising subjecting a hydrofluorocarbon to dehydrofluorination in the presence of a catalyst. The hydrofluorocarbon is a compound represented by Formula (1): RCFYCHZ, wherein Rrepresents a straight or branched Cperfluoroalkyl group, and Y and Z each independently represent H or F wherein when all Zs are H, Y represents F. The catalyst comprises chromium oxide represented by the chemical formula: CrO(1.5<m<3).