Corrosion Inhibition
OwnerRodney J. McAtee, Michael B. Boyerinventors
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Abstract
The present invention provides a lubricating composition containing (a) an oil of lubricating viscosity; (b) a corrosion inhibitor; and (c) an antiwear agent comprising at least one of (i) polyhydric alcohol with oxyalkylene groups, (ii) a fatty amine, or (iii) mixtures thereof, wherein the lubricating composition has a total sulphated ash content of less than 0.8 wt %. The invention further provides for the use of the lubricating composition in an internal combustion engine.
Claims15
A lubricating composition comprising:
- (a) an oil of lubricating viscosity;
- (b) an antiwear agent;
- and
- (c) a polyhydric alcohol corrosion inhibitor comprising monomeric units of oxyalkylene groups,
- wherein the lubricating composition has a total sulphated ash content of less than 0.8 wt %.
A method for lubricating an internal combustion engine, comprising supplying thereto a lubricant comprising the composition 1.
(canceled)
Dependencies are inferred from the claim text.