Fuels for gasoline engines

Details Fuels for gasoline engines Fuels for gasoline engines

1989-05-16

1991-04-23

Medley, Margaret B.

Fuel and related compositions

Liquid fuels

Containing organic -c

44387, 44408, C10L 114

Patent

active

050096702

ABSTRACT:
Fuels for gasoline engines contain small amounts of copolymers of alkyl (meth)-acrylates where the alkyl radical is of 8 to 40 carbon atoms and/or vinyl esters of carboxylic acids of 8 to 40 carbon atoms and monoethylenically unsaturated mono- and/or dicarboxylic acids of 3 to 12 carbon atoms and/or monoethylenically unsaturated compounds having sulfo and/or phosphonic acid groups, having a total molecular weight of from 500 to 20,000 g per mole, some or all of the carboxyl, sulfo and phosphonic acid groups of the copolymers having been reacted with an alkali or alkaline earth with formation of the alkali metla salts or alkaline earth metal salts and the remainder of the acid groups having been reacted with ammonia and/or amines of not more than 50 carbon atoms to give the corresponding amide groups and/or ammonium salts.

REFERENCES:
patent: 2851345 (1958-09-01), Marsh et al.
patent: 3100695 (1963-08-01), Slysh et al.
patent: 3256073 (1966-06-01), Hess
patent: 3342734 (1967-09-01), Bauer
patent: 3397145 (1968-08-01), Cyba
patent: 3658493 (1972-04-01), Hollyday, Jr.
patent: 3807976 (1974-04-01), Polss
patent: 4375973 (1983-03-01), Rossi et al.
patent: 4489194 (1984-12-01), Hayashi
patent: 4620855 (1986-11-01), Higgins
patent: 4765800 (1988-08-01), Vanes et al.

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