Additive for lubricating oil and lubricating oil composition con

Details Additive for lubricating oil and lubricating oil composition con Additive for lubricating oil and lubricating oil composition con

1991-08-21

1992-07-28

Howard, Jacqueline

Compositions

Electrolytes for electrical devices

252 327E, 252 56R, C10M12510, C10M14102

Patent

active

051338866

ABSTRACT:
Disclosed herein is an additive for lubricating oil which comprises a zinc dithiophosphate, a compound having at least one hydroxyl group and carbon-carbon double bond in a molecule thereof and cuprous oxide.
Also disclosed herein a lubricating oil composition which comprises a base oil for lubricating oil and the above-mentioned additive for lubricating oil.
The aforementioned additive is particularly effective for improving color change to black, sludge formation, stability a against oxidation and anti-wear property for zinc dithiophosphate (ZnDTP)-compound lubricating oil composition.

REFERENCES:
patent: 3290249 (1966-12-01), Wilson
patent: 3935114 (1976-01-01), Donaho Jr.

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