申请人:Chevron Japan Ltd.
公开号:US20190106651A1
公开(公告)日:2019-04-11
The present disclosure generally relates to an internal combustion engine lubricating oil composition comprising: (a) a major amount of a base oil of lubricating viscosity; (b) a nitrogen-containing dispersant; (c) an alkaline earth metal containing detergent; (d) a compound comprising the reaction product of: (i) a nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof, (ii) a source of boron, and (iii) a hydrocarbyl polyol, having at least three hydroxyl groups.
Also provided is a method for improving fresh oil or used oil fuel economy in an internal combustion engine comprising lubricating said engine with said lubricating oil composition.