Motor fuel composition containing mannich condensation products

Details Motor fuel composition containing mannich condensation products Motor fuel composition containing mannich condensation products

1975-03-20

1976-03-16

Wyman, Daniel E.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44DIG1, 44 73, 44 74, 44 75, 252392, C10L 122

Patent

active

039443973

ABSTRACT:
A motor fuel composition comprising gasoline and benzyl polyamine of the formula ##EQU1## where Z is an alkyl- and hydroxy-substituted benzyl group wherein the alkyl group has 50-1000 carbon atoms and at least 60% of said alkyl group is para to the hydroxyl group, n is 2 to 3, R is hydrogen or Z, and the sum of a and b is 0 to 5, said polyamine being present in an amount sufficient to provide carburetor detergency. Also disclosed is a concentrated solution of said polyamine in a hydrocarbon solvent.

REFERENCES:
patent: 2353192 (1944-07-01), Sargent et al.
patent: 3036003 (1962-05-01), Verdol
patent: 3269810 (1966-08-01), Chamot
patent: 3368972 (1968-02-01), Otto
patent: 3586629 (1971-06-01), Otto et al.
patent: 3701640 (1972-10-01), Lease et al.
"Quick-Heat Intake Manifolds for Reducing Cold Engine Emissions" by Wm. D. Bond, Soc. of Auto. Eng. Inc., 1972.
"A Bench Technique for Evaluating the Induction System Deposit Tendencies of Motor Gasolines", by Johnson et al., SAE Paper No. 660,783.

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