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:
Nov. 01, 2022
Filed:
Jun. 28, 2018
Chevron Oronite Company Llc, San Ramon, CA (US);
Chevron Oronite Technology B.v., San Ramon, CA (US);
Mia Gill, Novato, CA (US);
Wilhelmus Petrus Antonie van Houten, Prinsenbeek, NL;
Ronald Theodorus Fake Jukes, Rotterdam, NL;
Todd Brookhart, Walnut Creek, CA (US);
Chevron Oronite Company LLC, San Ramon, CA (US);
Chevron Oronite Technology B.V., San Ramon, CA (US);
Abstract
A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate having a TBN, on an actives basis, of at least 600 mg KOH/g, as determined by ASTM D 2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896.