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US 10,752,860 B2Granted
Lubricant composition
AssigneeDow Global Technologies LLC
InventorsMartin R. Greaves, Evelyn A. Zaugg-Hoozemans
Life of this patent
Estimating the term…
Abstract
An antioxidant package composition including a combination of: (i) at least one aromatic amine, and (ii) at least one polyether sulphide; a lubricant composition including: (a) the above antioxidant package and (b) at least one base oil; a process for preparing the antioxidant package; and a process for preparing the lubricant composition.
Claims19
An antioxidant package composition comprising a combination of:
- (i) at least one aromatic amine, and (ii) at least one polyether sulphide derived from an alkoxylate derivative of bis(2-hydroxyethyl) sulphide, bis(2-hydroxypropyl) sulphide, bis(2-hydroxybutyl) sulphide, bis(2-hydroxypentyl) sulphide and mixtures thereof.
A lubricant composition comprising:
- (a) at least one base oil,
- (b) at least one aromatic amine, and
- (c) at least one polyether sulphide derived from an alkoxylate derivative of bis(2-hydroxyethyl) sulphide, bis(2-hydroxypropyl) sulphide, bis(2-hydroxybutyl) sulphide, bis(2-hydroxypentyl) sulphide and mixtures thereof.
A process for preparing lubricant composition comprising admixing:
- (a) at least one base oil,
- (b) at least one aromatic amine, and
- (c) at least one polyether sulphide derived from an alkoxylate derivative of bis(2-hydroxyethyl) sulphide, bis(2-hydroxypropyl) sulphide, bis(2-hydroxybutyl) sulphide, bis(2-hydroxypentyl) sulphide and mixtures thereof.
Dependencies are inferred from the claim text.