Compositions – Electrolytes for electrical devices
Patent
1975-06-16
1978-05-23
Wyman, Daniel E.
Compositions
Electrolytes for electrical devices
260559R, C10M 132
Patent
active
040909719
ABSTRACT:
Amides of alkyl-substituted hydroxyaromatic carboxylic acids (especially alkyl-substituted salicylic acids) and the like, in which the alkyl substituent contains at least about 10 carbon atoms, are useful as dispersant additives for lubricants and fuels. Particularly useful are salicylamides in which the substituent is derived from propylene, 1-butene or isobutene and has a molecular weight of about 150-1750, and in which the amide moiety is derived from an alkylene polyamine. Such amides are preferably prepared by the reaction of the corresponding nitrogen-containing compound with a vic-hydroxyalkyl ester of the salicylic acid.
REFERENCES:
patent: 2848418 (1958-08-01), Muller et al.
patent: 2959550 (1960-11-01), Young et al.
patent: 3034879 (1962-05-01), Spacht
patent: 3368972 (1968-02-01), Otto
patent: 3803039 (1974-04-01), Piasek et al.
Adams, Jr. James W.
Harris-Smith Y.
Khayat S. I.
The Lubrizol Corporation
Wyman Daniel E.
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