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:
Sep. 17, 2019
Filed:
Jan. 20, 2017
Applicant:
Chevron Oronite Company Llc, San Ramon, CA (US);
Inventors:
Kevin David Carabell, Fairfax, CA (US);
John Robert Miller, San Rafael, CA (US);
Assignee:
Chevron Oronite Company LLC, San Ramon, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 161/00 (2006.01); C10M 133/06 (2006.01); C10M 133/40 (2006.01); C10M 145/04 (2006.01);
U.S. Cl.
CPC ...
C10M 161/00 (2013.01); C10M 133/06 (2013.01); C10M 133/40 (2013.01); C10M 145/04 (2013.01); C10M 2205/022 (2013.01); C10M 2207/026 (2013.01); C10M 2209/04 (2013.01); C10M 2215/04 (2013.01); C10M 2215/042 (2013.01); C10M 2215/064 (2013.01); C10M 2215/221 (2013.01); C10M 2215/28 (2013.01); C10M 2217/06 (2013.01); C10M 2223/045 (2013.01); C10M 2227/09 (2013.01); C10N 2210/02 (2013.01); C10N 2210/06 (2013.01); C10N 2220/021 (2013.01); C10N 2230/02 (2013.01); C10N 2230/04 (2013.01); C10N 2230/06 (2013.01); C10N 2240/10 (2013.01); C10N 2240/102 (2013.01);
Abstract
Disclosed is an internal combustion engine lubricating oil composition which comprises (a) a major amount of an oil of lubricating viscosity; (b) a dispersant-type olefin copolymer VI improver; and (c) a secondary hydrocarbylamine compound, a tertiary hydrocarbylamine compound, or combinations thereof. A method for reducing cam wear using same is also disclosed.