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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.:

US 12577492 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Jul. 22, 2021

Succinimide dispersants post-treated with aromatic glycidyl ethers that exhibit good soot handling performance

Applicant:

Chevron Oronite Company Llc, San Ramon, CA (US);

Inventors:

William Raymond Ruhe, Jr., Benicia, CA (US);

Seyedeh Mahboobeh Hosseini, Richmond, CA (US);

Assignee:

CHEVRON ORONITE COMPANY LLC, San Ramon, CA (US);

Attorney:
Primary Examiner:

James C Goloboy

Int. Cl.
CPC ...
C10M 133/56 (2006.01); C10M 177/00 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 30/12 (2006.01); C10N 40/25 (2006.01); C10N 60/06 (2006.01);
U.S. Cl.
CPC ...
C10M 133/56 (2013.01); C10M 177/00 (2013.01); C10M 2215/28 (2013.01); C10N 2030/04 (2013.01); C10N 2030/041 (2020.05); C10N 2030/12 (2013.01); C10N 2030/36 (2020.05); C10N 2030/50 (2020.05); C10N 2030/54 (2020.05); C10N 2040/25 (2013.01); C10N 2060/06 (2013.01);
Abstract

A lubricating oil composition is described. The composition includes a base oil, a first succinimide dispersant composition comprising a reaction product of a hydrocarbyl succinimide and an aromatic glycidyl ether having a structure: wherein Ris an aryl or alkaryl group having 4 to 20 carbon atoms, and Rand Rare independently a hydrogen atom, an alkyl group, or an aryl group; and a second succinimide dispersant.

Find Patent Forward Citations

Ruhe, Jr., William. (2026). Succinimide dispersants post-treated with aromatic glycidyl ethers that exhibit good soot handling performance (U.S. Patent No. 12577492). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12577492

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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