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:
Apr. 21, 2026
Filed:
Jun. 14, 2022
Applicant:
Specialty Operations France, Lyons, FR;
Inventors:
Olivier Back, Lyons, FR;
Christelle Florence Chretien, Philadelphia, PA (US);
Assignee:
SPECIALTY OPERATIONS FRANCE, Lyons, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 133/08 (2006.01); C10M 133/16 (2006.01); C10M 133/54 (2006.01); C10M 133/56 (2006.01); C10N 30/00 (2006.01); C10N 30/06 (2006.01); C10N 40/04 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 133/08 (2013.01); C10M 133/16 (2013.01); C10M 133/54 (2013.01); C10M 133/56 (2013.01); C10M 2203/1025 (2013.01); C10M 2215/042 (2013.01); C10M 2215/082 (2013.01); C10N 2030/06 (2013.01); C10N 2030/42 (2020.05); C10N 2030/43 (2020.05); C10N 2030/45 (2020.05); C10N 2040/04 (2013.01); C10N 2040/25 (2013.01);
Abstract
The present invention relates to the use as an antiwear additive (antiwear component) and friction modifier in a lubricant of at least one compound having the following formula (I) wherein: each of R and R', which are identical of different, is a aliphatic group preferably containing between 5 and 23 carbon atoms; and a and b are integers from 0 to 4; and A is a methylene group —CH—; or a carbonyl group —C(═O)—.