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:
May. 05, 2020
Filed:
Nov. 26, 2013
Applicant:
Roquette Freres, Lestrem, FR;
Inventors:
Thierry Feron, Fouquieres les Bethune, FR;
Arnaud Verraes, Wavrin, FR;
Herve Wyart, Cuinchy, FR;
Catherine Baurain, Locon, FR;
Assignee:
ROQUETTE FRERES, Lestrem, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/1535 (2006.01); C07D 493/04 (2006.01); C08J 3/18 (2006.01);
U.S. Cl.
CPC ...
C08K 5/1535 (2013.01); C07D 493/04 (2013.01); C08J 3/18 (2013.01); C08J 2327/06 (2013.01);
Abstract
A method for producing a composition of diesters, includes a step including the esterification of 1,4:3,6-dianhydrohexitol by a composition of carboxylic acids, the composition including: at least an acid having formula C7H15COOH (X) and an acid having formula C9H19COOH (Y), the mass ratio (X)/(Y) varying between 10/90 and 90/10.