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US 10,323,206 B2Granted
Lubricating grease composition
AssigneeThe Lubrizol Corporation
InventorGareth Fish
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Abstract
The invention provides a lubricating grease composition comprising an oil of lubricating viscosity, a metallic soap thickener and a boron-containing compound, wherein the boron containing compound comprises a borate ester comprising at least one alkyl group having a branch at the β position or higher. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.
Claims15
A lubricating grease composition comprising:
- (a) an oil of lubricating viscosity, and
- (b) a metallic soap thickener
- (c) 0.1% by weight to 6% by weight of a borate ester comprising at least one alkyl group wherein the alkyl group is a 2-propylheptyl group.
A lubricating grease composition comprising:
- (a) an oil of lubricating viscosity, and
- (b) a metallic soap thickener
- (c) 0.1% by weight to 6% by weight of a borate ester comprising at least two alkyl groups that are 2-propylheptyl groups.
A lubricating grease composition comprising:
- (a) an oil of lubricating viscosity, and
- (b) a metallic soap thickener
- (c) 0.1% by weight to 6% by weight of a borate ester comprising a material represented by the structure
Dependencies are inferred from the claim text.