Lubricant compositions
AssigneeMobil Oil Corporation
InventorGerassimos Frangatos
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Abstract
The invention provides a lubricant additive and a lubricant composition having improved demulsifying and anti-wear properties resulting from the addition thereto of such additive, which is made by reacting a partially esterified multifunctional alcohol with a phosphorus oxyhalide or a trihydrocarbyl phosphate.
Claims16
A reaction product made by the steps of (1) forming a partial ester of a polyhydric alcohol with a monocarboxylic acid, wherein the acid is present to the extent of at least 1 mole thereof per mole of the alcohol, but less than the amount required to react with all the alcohol hydroxyls, and (2) reacting the material of (1) with from about 0.25 mole to about 3.0 moles per mole of (1) of a phosphorus oxyhalide or a trihydrocarbyl phosphate.
Dependencies are inferred from the claim text.