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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 11802255 B1

PDFFull Text
Date of Patent:
Oct. 31, 2023

Filed:

Mar. 04, 2020

Composition and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

Applicants:

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

Chevron U.s.a. Inc., San Ramon, CA (US);

Inventors:

Ian G. Elliott, Vacaville, CA (US);

Amir Gamal Maria, Fremont, CA (US);

Richard Eugene Cherpeck, Cotati, CA (US);

Theresa Liang Gunawan, Emeryville, CA (US);

Assignees:

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

CHEVRON U.S.A. INC., San Ramon, CA (US);

Attorney:
Primary Examiner:

Taiwo Oladapo

Int. Cl.
CPC ...
C10M 139/06 (2006.01); C10M 139/00 (2006.01); C10M 169/04 (2006.01); C10N 10/04 (2006.01); C10N 30/12 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 139/00 (2013.01); C10M 139/06 (2013.01); C10M 169/04 (2013.01); C10M 2227/09 (2013.01); C10N 2010/04 (2013.01); C10N 2030/12 (2013.01); C10N 2040/25 (2013.01);
Abstract

Disclosed herein are improved lubricating compositions effective to prevent or reduce low speed pre-ignition in an engine, as well as to prevent or reduce corrosion of engine components. The lubricating compositions include a base oil combined with a calcium chelate complex, optionally in further combination with additional additives.

Find Patent Forward Citations

Elliott, Ian. (2023). Composition and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines (U.S. Patent No. 11802255). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11802255

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

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