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:
Sep. 01, 2015
Filed:
Oct. 22, 2010
Applicants:
Laurent Wendlinger, Soucieu en Jarrest, FR;
Philippe Bonnet, Lyons, FR;
Anne Pigamo, Francheville, FR;
Nicolas Doucet, Lyons, FR;
Inventors:
Laurent Wendlinger, Soucieu en Jarrest, FR;
Philippe Bonnet, Lyons, FR;
Anne Pigamo, Francheville, FR;
Nicolas Doucet, Lyons, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 17/25 (2006.01); C07C 17/383 (2006.01); C07C 17/20 (2006.01); C07C 17/42 (2006.01); C07C 21/18 (2006.01);
U.S. Cl.
CPC ...
C07C 17/206 (2013.01); C07C 17/25 (2013.01); C07C 17/383 (2013.01); C07C 17/42 (2013.01);
Abstract
The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene, comprising the following steps: (a) catalytic reaction of 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane with HF into product 2-chloro-3,3,3-trifluoropropene; (b) catalytic reaction of the thus-obtained 2-chloro-3,3,3-trifluoropropene into 2,3,3,3-tetrafluoropropene.