Lubricating oil composition
AssigneeChevron Oronite Company LLC
InventorsWilhelmus Petrus Antonie van Houten, Ronald Theodorus Fake Jukes, Todd Brookhart
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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 20 wt. % of an alkyl-substituted hydroxyaromatic carboxylic acid, wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic carboxylic acid has from 12 to 40 carbon atoms; 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.
Claims14
A lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity;
- and (b) 0.1 to 20 wt. % of an ashless alkyl-substituted hydroxyaromatic carboxylic acid, wherein the alkyl substituent of the ashless alkyl-substituted hydroxyaromatic carboxylic acid has from 12 to 40 carbon atoms;
- wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE BOO 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.
Dependencies are inferred from the claim text.