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US 9,309,478 B2Granted
Lubricating composition containing metal carboxylate
AssigneeThe Lubrizol Corporation
InventorsStuart L. Bartley, Mark R. Baker
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Abstract
The invention relates to a lubricating composition comprising (a) at least 0.05 wt % of a non-aromatic metal carboxylate, wherein the metal carboxylate is derived from a branched carboxylic acid, and (b) an oil of lubricating viscosity. The invention further provides for the use of the lubricating composition for lubricating a limited slip differential.
Claims7
A method of lubricating a limited slip differential comprising supplying to the limited slip differential a lubricating composition comprising:
- (a) about 2.3 wt % to about 2.5 wt % of zinc 2-ethylhexanoate,
- (b) a sulphur-containing compound, wherein the sulphur-containing compound comprises a dimercaptothiadiazole or derivative, or mixtures thereof, and
- (c) an oil of lubricating viscosity,
- wherein the lubricating composition has a sulphur content in the range of 0.3 wt % to 5 wt %.
1 more element
Dependencies are inferred from the claim text.