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. 17, 2024
Filed:
Dec. 18, 2020
Totalenergies Onetech, Courbevoie, FR;
Delphine Crozet, Villeurbanne, FR;
Alice Limoges, Ternay, FR;
Laurent Germanaud, Saint Alyre d'Arlanc, FR;
Henri Strub, Pont Sainte Maxence, FR;
Grégoire Hervé, Paris, FR;
Djibril Faye, Eragny, FR;
Yves Travert, Eragny, FR;
TOTALENERGIES ONETECH, Courbevoie, FR;
Abstract
The invention relates to a composition preparation method for preparing a composition of estolides, the method comprising reacting an unsaturated compound of a type such as an acid or ester, with a saturated fatty acid; in the presence of a catalyst of a type such as sulphonic acid, the said method including no vacuum distillation step thereby making it possible to separate the monoestolides from the polyestolides. The invention also relates to a composition of estolides that is obtainable by the method according to the invention and the use thereof in lubricating compositions.