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US 4,394,135 AGranted
Liquid hydrocarbon fuel composition
AssigneeMobil Oil Corporation
InventorHarry J. Andress
Life of this patent
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Abstract
A fuel composition comprising a liquid hydrocarbon fuel and a detergent amount of the product of reaction between a polyamine and a stearic acid is described.
Claims3
A liquid hydrocarbon fuel composition comprising fuel and, as the sole detergent, a detergency amount of the product of reaction between phenylstearic acid and a polyamine of the formula
- NH.sub.2 --(C.sub.n H.sub.2n NH).sub.x --C.sub.n H.sub.2n --NH.sub.2
- wherein n is from 2 to 4 and x is 1 to 9 and wherein the reactants and employed in proportions such that sufficient acid is present to completely acylate the said polyamine.
Dependencies are inferred from the claim text.