Dispersing additive for lubricating oils and process for the pre

Details Dispersing additive for lubricating oils and process for the pre Dispersing additive for lubricating oils and process for the pre

1977-08-01

1978-11-28

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

26032626, 2603265F, C10M 132

Patent

active

041274920

ABSTRACT:
A dispersing additive for lubricating oils and the related preparation process are disclosed, consisting of a mixture of polyfunctional compounds of the type resulting from the process according to which an olefin polymer is condensed with an unsaturated carboxylic acid, and the condensation product is reacted with an amine, the process being improved in that the condensing step is carried out in the presence of an olefin derivative having a relatively short chain and the condensation product, before being reacted with the amine, is added with a fatty acid and then partially esterified with a polyhdyroxylated compound.

REFERENCES:
patent: 3219666 (1965-11-01), Norman et al.
patent: 3329658 (1967-07-01), Fields
patent: 3374174 (1968-03-01), LeSuer
patent: 3448048 (1969-06-01), LeSuer et al.
patent: 3449250 (1969-07-01), Fields
patent: 3896038 (1975-07-01), Hartle

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