Lubricating oil additive

Details Lubricating oil additive Lubricating oil additive

1988-11-09

1989-07-04

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 515R, C10M13300

Patent

active

048448273

ABSTRACT:
A highly dispersant lubricating oil additive having a relatively low nitrogen content is provided by reacting a solvent free bis(primary amine) composition with an aliphatic hydrocarbon-substituted succinimic anhydride or with an admixture of an aliphatic hydrocarbon-substituted phenol, formaldehyde, and a fatty acid.

REFERENCES:
patent: 3368972 (1968-02-01), Otto
patent: 3725277 (1973-04-01), Worrel
patent: 3798247 (1974-03-01), Piasek et al.
patent: 3803039 (1974-04-01), Piasek et al.
patent: 4425245 (1984-01-01), Cahill et al.
patent: 4717492 (1988-01-01), Chibnik

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