Compositions – Electrolytes for electrical devices
Patent
1988-08-01
1990-07-03
Howard, Jacqueline V.
Compositions
Electrolytes for electrical devices
252 33, 252 333, 252 515A, 252 56R, C10M14110
Patent
active
049388819
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) acylating agent of at least one amine compound characterized by the presence within its structure of at least one NH< group, and wherein the substituted succinic acylating agent consists of substituent groups and succinic groups wherein the substituent groups are derived from a polyalkene, (C) at least one basic alkali metal salt of sulfonic or carboxylic acid, and (D) at least one metal salt of a dihydrocarbyl dithiophosphoric acid. The oil compositions also may contain (E) at least one carboxylic ester derivative compositions, and/or (F) at least one neutral or basic alkaline earth metal salt of at least one acidic organic compound and/or (G) at least one partial fatty acid ester of a polyhydric alcohol.
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Chamberlin, III William B.
Ripple David E.
Fischer Joseph P.
Franks Robert A.
Howard Jacqueline V.
Hunter Frederick D.
The Lubrizol Corporation
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