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:
Jun. 14, 2022
Filed:
Apr. 19, 2019
Applicant:
Arkema France, Colombes, FR;
Inventor:
Jean-Alex Laffitte, Pau, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11C 3/00 (2006.01); C10L 1/02 (2006.01); C11C 3/10 (2006.01); C07C 309/03 (2006.01); B01J 31/02 (2006.01);
U.S. Cl.
CPC ...
C11C 3/003 (2013.01); B01J 31/0257 (2013.01); C07C 309/03 (2013.01); C10L 1/02 (2013.01); C11C 3/10 (2013.01); C10L 2200/0476 (2013.01);
Abstract
The use of hypophosphorous acid as a corrosion inhibitor for esterification reactions of free fatty acids contained in a fatty substance is described, particularly in the presence of an organosulfonic acid. The invention also relates to a method for the esterification of fatty acids.