Patent ID: 9062273
Filing Date: 2015-06-23
Classification: C10M,C10N

Abstract:
1. A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) about 1600 ppm to about 3000 ppm as Ti metal, based on the total weight of the lubricating oil composition, of one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand selected, from the group consisting of (i) an anion of an α-, β- or γ-hydroxycarbonyl compound; and (ii) an anion of an α-, β- or γ-hydroxycarboxylic acid, and wherein the lubricating oil composition has less than about 0.4 wt. % of sulfur and a sulfated ash content of no more than about 1.0 wt. % as determined by ASTM D874, and further wherein the lubricating oil composition is substantially free of any zinc dialkyldithiophosphate.