Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1974-09-03
1977-06-28
Wyman, Daniel E.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44 66, C10L 122
Patent
active
040323048
ABSTRACT:
Improved fuel compositions with decreased tendency to form deposits in the carburetor and on "early fuel evaporation" heating elements, inlet valves and the like contain a normally liquid fuel (usually a hydrocarbon fuel), a carboxylic acid ester of lubricating viscosity, and an oil-soluble nitrogen-containing dispersant. The dispersant is characterized by the presence therein of a substantially saturated hydrocarbon-based radical having at least about 50 carbon atoms, and it is preferably a carboxylic dispersant (e.g., the reaction product of a polyisobutenyl succinic acid-producing compound with a polyethylene polyamine) or a Mannich-type dispersant (e.g., the reaction product of an alkyl phenol with formaldehyde and a polyethylene polyamine).
REFERENCES:
patent: 2585843 (1952-02-01), Rogers
patent: 2798798 (1957-07-01), Marsh et al.
patent: 3219666 (1965-11-01), Norman et al.
patent: 3658495 (1972-04-01), Dorer, Jr.
patent: 3836469 (1974-09-01), Miller
Dorer, Jr. Casper John
Miller Clark Ober
Adams, Jr. James W.
Harris-Smith Mrs. Y.
Pittman William H.
The Lubrizol Corporation
Wyman Daniel E.
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