Motor fuel detergent additives - asymmetrical ureas of hydrocarb

Details Motor fuel detergent additives - asymmetrical ureas of hydrocarb Motor fuel detergent additives - asymmetrical ureas of hydrocarb

1992-07-09

1994-02-15

Willis, Jr., Prince

Fuel and related compositions

Liquid fuels

Organic nitrogen compound containing

44334, 44419, 564 47, 564 59, 564 60, 564 61, C10L 122, C07C27318

Patent

active

052862666

ABSTRACT:
The present invention provides a novel class of compounds, useful as gasoline detergent additives, comprising asymmetrical ureas of either a hydrocarbyloxypolyether amine alone, or a hydrocarbyloxypolyether amine and a tertiary aminoalkyl primary amine. The present invention also provides a motor fuel composition containing the novel asymmetrical ureas and further provides a method of synthesizing the asymmetrical ureas of the present invention.

REFERENCES:
patent: 3677726 (1972-07-01), Coram et al.
patent: 3717447 (1973-02-01), Badin
patent: 3981913 (1976-09-01), Markiewitz
patent: 4416669 (1983-11-01), Graiff et al.
patent: 4435187 (1984-03-01), Graiff et al.
patent: 4666529 (1987-05-01), Graiff
patent: 5024678 (1991-06-01), Mertens-Gottselig et al.

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