Lubricating oil compositions and concentrates

Details Lubricating oil compositions and concentrates Lubricating oil compositions and concentrates

1988-08-01

1990-09-18

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 515A, 252 56R, 252 333, 252 39, C01M14102

Patent

active

049576496

ABSTRACT:
Lubricating oil compositions for internal combustion engines are described with comprise (A) a major amount of oil of lubricating viscosity, and minor amounts of (B) at least one carboxylic derivative composition produced by reacting (B-1) at least one substituted succinic acylating agent with (B-2) at least one amine compound characterized by the present within its structure of at least one HN< group (C) at least one partial fatty acid ester of a polyhydric alcohol, and (D) at least one metal salt of a dihydrocarbyl dithiosphosphoric acid. The oil compositions also may contain (E) at least one carboxylic ester derivative composition, and/or (F) at least one neutral or basic alkaline earth metal salt of at least one acidic organic compound.

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