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:
Oct. 21, 2025
Filed:
Feb. 21, 2023
Applicants:
Chevron Oronite Company Llc, San Ramon, CA (US);
Chevron Japan Ltd., Tokyo, JP;
Inventors:
Priyank Shah, Dublin, CA (US);
Hiroki Andoh, Makinohara, JP;
Masami Fuchi, Makinohara, JP;
Takahiro Nakagawa, Omaezaki, JP;
Ataru Minami, Omaezaki, JP;
Satoshi Ohta, Matsudo, JP;
Koichi Kubo, Kanagawa-Ku, JP;
Assignees:
CHEVRON ORONITE COMPANY LLC, San Ramon, CA (US);
CHEVRON JAPAN LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 153/02 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 153/02 (2013.01); C10M 169/041 (2013.01); C10M 2203/003 (2013.01); C10M 2225/04 (2013.01); C10N 2030/04 (2013.01); C10N 2030/06 (2013.01); C10N 2030/45 (2020.05); C10N 2040/04 (2013.01);
Abstract
This disclosure describes a lubricating oil composition that includes a major amount of an oil of lubricating viscosity and one or more nitrogen-containing additive having the formula: wherein Ris functional group containing 10 to 250 carbon atoms; and Rand Rare independently functional groups containing 2 to 20 carbon atoms.