Lubricant compositions and methods for preparation of same

Details Lubricant compositions and methods for preparation of same Lubricant compositions and methods for preparation of same

1988-05-27

1989-08-08

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 427, 252 56R, 252 57, 560 64, 560 75, C10M12910

Patent

active

048550736

ABSTRACT:
Disclosed are a lubricant composition comprising a major amount of one or more lubricant fluids and at least one polyvalent metal salt of the formaldehyde condensation products of C.sub.12 -C.sub.22 alkyl hydroxy benzoic acid, and a method of preparation of same. Because of the methylenebis structure of the polyvalent metal salts, engine properties such as detergency/dispersancy, thermal stability, hydrolytic stability, oil solubility and especially compatibility with other additives are improved by the use of the composition.

REFERENCES:
patent: 2194478 (1940-03-01), Moser et al.
patent: 3014868 (1961-12-01), Munns et al.
patent: 3954808 (1976-05-01), Elliott et al.
patent: 4263167 (1981-04-01), Mazo

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