Patent ID: 9523061
Filing Date: 2016-12-20
CPC Classification: C10M,C10N

Claim Text:
1. A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 and comprising (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having from about 400 ppm to no more than about 2000 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 0.5:1 to less than or equal to about 4:1, and further wherein the lubricating oil composition is substantially free of zinc dialkyl dithiophosphate.