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:
Jun. 17, 2025
Filed:
Mar. 31, 2022
Chevron Oronite Company Llc, San Ramon, CA (US);
Chevron Japan Ltd., Tokyo, JP;
William Raymond Ruhe, Jr., Benicia, CA (US);
Masami Fuchi, Makinohara, JP;
Seyedeh Mahboobeh Hosseini, Richmond, CA (US);
CHEVRON ORONITE COMPANY LLC, San Ramon, CA (US);
CHEVRON JAPAN LTD., Tokyo, JP;
Abstract
This disclosure describes an ashless lubricant additive. The additive is a tertiary amine-containing compound having the following structure: where each Rand Ris independently a linear or branched-chain monovalent hydrocarbyl group having two to about twenty carbon atoms, where each R, R, and Ris independently a hydrogen, a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms wherein at least one of R, R, and Ris hydrogen, each m is independently from 0 to 2, each p is independently from 0 to 2, for each cylic moiety m+p is from 2 to 4, and each n is independently from 1 to 6.