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:
Feb. 20, 2024
Filed:
Oct. 16, 2020
Infineum International Limited, Abingdon, GB;
Matthew Cunningham, Reading, GB;
Maria C. Chiappelli, Eastchester, NY (US);
Joe R. Noles, Jr., Belle Mead, NJ (US);
Kerry L. Cogen, Flemington, NJ (US);
Keith R. Gorda, Little York, NJ (US);
Hahnsoo Kim, Basking Ridge, NJ (US);
Raymond F. Watts, Long Valley, NJ (US);
Laura A. Kahsar, Lexington, KY (US);
Infineum International Limited, Abingdon, GB;
Abstract
A transmission fluid composition contains a major amount of a lubricating oil basestock, and a minor amount of an additive package comprising: (i) a mixture comprising two or more phosphites and/or phosphates; (ii) one or more thioester compounds; (iii) a detergent comprising calcium salicylate; and (iv) a poly(alkylene amine)-based ashless dispersant endcapped with metallocene-catalyzed PAO arms. Such a transmission fluid may be used for controlling/reducing wear in at least partially electrically-powered transmissions and/or for cooling/insulating electrical/electronic components of at least partially electrically-powered drivetrains.