Lubricating oil compositions

Details Lubricating oil compositions Lubricating oil compositions

1986-01-30

1987-12-29

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 42, C10M14102

Patent

active

047159731

ABSTRACT:
Lubricating oil compositions, prepared by the addition of at least one basic salts comprising polyvalent metal salt of naphthenic acids to at least one hydrocarbon lubricating oil, are stabilized above 140.degree. C. by the addition of at least one polyester, or salt of said polyester. The polyesters lead to marked improvement in stability even when used in low concentrations.

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