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:
Jul. 28, 2026
Filed:
Mar. 24, 2022
Chevron Oronite Company Llc, San Ramon, CA (US);
Chevron U.s.a. Inc., San Ramon, CA (US);
Jiun-Le Shih, El Sobrante, CA (US);
Chung-Hao Kuo, Albany, CA (US);
Charles Paul Loeper, Berkeley, CA (US);
CHEVRON ORONITE COMPANY LLC, San Ramon, CA (US);
CHEVRON U.S.A. INC., San Ramon, CA (US);
Abstract
Fuel composition for preventing or reducing low speed pre-ignition events in a spark-ignited internal combustion engine is provided. The fuel composition includes a hydrocarbon fuel boiling the gasoline or diesel range and a primary additive having a structure given by or a salt thereof. A is a ring moiety; Rand Rare independently H, C-Chydrocarbyl group, carboxyl group, ether, or hydroxyl group. Rand Rare independently H, C-Chydrocarbyl group, carboxyl group, ether, amino, or hydroxyl group or wherein Rand Rare part of a cyclic group. Ris C-Chydrocarbyl group, carboxyl group, ether, or hydroxyl group; and p is 0 to 2, n is 1 to 3, m is 1 to 3, and p+n+m is less than 5.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile