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:
Nov. 16, 2004
Filed:
Sep. 26, 2003
Applicant:
Inventor:
Roland Jacquot, Francheville, FR;
Assignee:
Rhodia Chimie, Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 4/500 ;
U.S. Cl.
CPC ...
C07C 4/500 ;
Abstract
A subject of the present invention is a process for preparation of fluorinated ketones corresponding to general formula (I) R —CO—R in which R and R are as defined in claim 1, characterized in that it consists of reacting two carboxylic acids of Formula (II), R —COOH and Formula (III), R —COOH, in the gaseous phase and in the presence of a catalyst comprising at least one oxide of an element chosen from the rare earths, thorium, titanium and aluminum.