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US 9,279,093 B2Granted
Lubricating composition containing an aromatic compound
AssigneeThe Lubrizol Corporation
InventorsMatthew D. Gieselman, Seth L. Crawley, David J. Moreton, Paul R. Stevenson, Jeffry G. Dietz
Life of this patent
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Abstract
The invention provides a lubricating composition containing an aromatic compound and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine. The invention further relates to the use of the aromatic compound as an antiwear agent.
Claims14
A lubricating composition comprising an oil of lubricating viscosity and an aromatic compound of formula (1):
- wherein
- R1 is —CH═CHC(O)—XR3;
- each Y1, Y2 and Y3 is independently —H or —OR2 with the proviso that at least two of Y1, Y2 and Y3 are —OR2 and where at least two —OR2 groups are adjacent to one another;
- R2 is independently hydrogen or a linear or branched hydrocarbyl group containing 1 to 10 carbon atoms;
- R3 is a linear or branched hydrocarbyl group;
- X is —O—, —S—, or >NR4;
- and
- R4 is hydrogen or a linear or branched hydrocarbyl group containing 1 to 5 carbon atoms.
5 more elements
Dependencies are inferred from the claim text.