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. 31, 2023
Filed:
Mar. 04, 2020
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:
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.