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, 1987
Filed:
Jul. 21, 1986
Applicant:
Inventors:
Michel DesBois, Rillieux La Pape, FR;
Louis Amiet, Lyons, FR;
Assignee:
Rhone-Poulenc Specialites Chimiques, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560226 ; 560227 ; 560228 ;
Abstract
A process for preparing trifluoroacetic or trichloroacetic acid esters, wherein trifluoroacetic or trichloroacetic acid is brought together with a non-perfluorinated alcohol in liquid hydrofluoric acid and wherein the ester obtained is separated by decantation. The trifluoroacetic or trichloroacetic acid esters are used as synthesis intermediates in the pharmaceutical or the plant-protection industry.