Gasoline additive compositions comprising a combination of monoa

Details Gasoline additive compositions comprising a combination of monoa Gasoline additive compositions comprising a combination of monoa

1975-09-12

1977-07-26

Wyman, Daniel E.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 72, 44 73, C10L 122

Patent

active

040380432

ABSTRACT:
A combination of monoamine and polyamine Mannich condensation products, useful in gasoline as carburetor detergents and useful also to control intake valve deposits and quick-heat intake manifold deposits; the monoamide being Z.sub.n NR.sub.3.sub.-n, and the polyamine being: ZNH(C.sub.x H.sub.2x N(R')).sub.y C.sub.x H.sub.2x NHZ wherein Z is an alkyl- and hydroxy-substituted benzyl group, the alkyl having 50 to 1000 carbon atoms; R is hydrogen or alkyl of 1 to 18 carbon atoms; n is 1 or 2; R' is hydrogen or Z with the proviso that at least one R' is hydrogen; x is 2 or 3; and y is 1 to 5.

REFERENCES:
patent: 3649229 (1972-03-01), Otto
patent: 3736357 (1973-05-01), Piasek et al.
patent: 3877889 (1975-04-01), Dix

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