Fuel compositions

Details Fuel compositions Fuel compositions

1989-09-11

1991-03-05

Medley, Margaret B.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

548545, C10L 122

Patent

active

049974564

ABSTRACT:
Detergent additives for reducing or preventing deposits in the carburetor or in injectors are described. They are produced by reacting (a) at least one mono- or polycarboxylic acylating agent containing an average of from about 12 to about 50 carbon atoms in the molecule and having an acyclic aliphatic group containing an average of at least 12 but less than 30 carbon atoms, with (b) at least one alkanol polyamine containing an average of at least 4 carbon atoms. Succinimides made from 2-(2-aminoethylamino)ethanol have proved especially effective in reducing carburetor deposits.

REFERENCES:
patent: 3806456 (1974-04-01), Vogel
patent: 3847561 (1974-11-01), Feldman
patent: 3897351 (1975-07-01), Davis et al.
patent: 4098585 (1978-07-01), Vartanian
patent: 4198306 (1980-04-01), Lewis
patent: 4203730 (1980-05-01), Hanson
patent: 4240803 (1980-12-01), Andress, Jr.
patent: 4652273 (1987-03-01), Maldonado et al.
patent: 4780111 (1988-10-01), Dorer et al.

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