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. 24, 2024
Filed:
Jul. 19, 2021
Totalenergies Onetech, Courbevoie, FR;
Goulven Bouvier, Solaize, FR;
Hakim El-Bahi, Solaize, FR;
Sonia Younesse, Solaize, FR;
Florence Bredon, Solaize, FR;
TOTALENERGIES ONETECH, Courbevoie, FR;
Abstract
A lubricating composition includes at least one base oil, at least one borated dispersant, at least two antioxidants selected from amine antioxidants, phenolic antioxidants substituted with one or more linear or branched alkyl groups having from 1 to 30 carbon atoms, and mixtures thereof, and at least one phosphite polymer having the formula (I) wherein: —each of the R, R, Rand Rcan be independently selected from the C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y—OH groups; —Y is selected from C2-C40 alkylene, C2-C40 alkyl lactone, —R—N(R)—R— groups, in which R, Rand Rare independently selected from hydrogen, C1-C20 alkyl, C3-C22 alkenyi, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers; —m is an integer from 2 to 100; —n is an integer from 1 to 1000.