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 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 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 less than or equal to about 4:1.
申请公布号
EP2376610(B1)
申请公布日期
2016.07.13
申请号
EP20090836778
申请日期
2009.12.10
申请人
CHEVRON ORONITE COMPANY LLC
发明人
NELSON, KENNETH D.;BOFFA, ALEXANDER B.;KLEISER, WILLIAM M.;STULTS, STEPHEN D.;MCGEEHAN, JAMES A.;VAN DAM, WIM;CHERPECK, RICHARD E.