Lubricating composition containing an antiwear agent
AssigneeThe Lubrizol Corporation
InventorsWilliam R. S. Barton, Seth L. Crawley, Patrick E. Mosier, Matthew D. Gieselman, Daniel J. Saccomando
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Abstract
The invention provides a lubricating composition containing an oil of lubricating viscosity and a compound obtained/obtainable by a process comprising reacting a glycolic acid, a 2-halo-acetic acid, or a lactic acid, or an alkali or alkaline metal salts thereof, (typically glycolic acid or a 2-halo-acetic acid) with at least one member selected from the group consisting of an amine, an alcohol, and an aminoalcohol. The invention further relates to the use of the lubricating composition in an internal combustion engine.
Claims16
A lubricating composition comprising an oil of lubricating viscosity and 0.01 to 5 wt % of a compound obtained by a process comprising reacting a glycolic acid or an alkali or alkaline metal salt thereof, with at least one member selected from the group consisting of an amine, an alcohol, and an aminoalcohol, wherein the compound is represented by formula (3)
- wherein
- R1 is independently a hydrocarbyl group, containing 4 to 30 carbon atoms;
- Ak1 is an alkylene group containing 1 to 5 carbon atoms;
- and
- b is 1 to 10.
Dependencies are inferred from the claim text.