Fuel additive mixtures and fuels containing them

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United States of America Patent

PATENT NO 10011795
SERIAL NO

15855011

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Abstract

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A fuel additive concentrate for gasoline, a gasoline fuel containing an additive mixture, a method for reducing wear in an engine and in a fuel delivery system of a gasoline engine, and a method for improving injector performance. The additive concentrate includes an aromatic solvent and a mixture that contains (i) N,N-bis(2-hydroxyethyl)alkylamide, (ii) 2-((2-(bis(2-hydroxyethyl)amino)ethyl)amino)ethyl alkanoate and N-(2-(bis(2-hydroxyethyl)amino)ethyl)-N-(2-hydroxyethyl)alkylamide, and (iii) fatty acid ester(s) and amide(s) derived from a self-condensation product of diethanolamine (DEA) containing at least 3 amino groups. A weight ratio of (i) to (ii) to (iii) in the concentrate ranges from about 8:2:0 to about 2:5:3. The fuel additive mixture is substantially devoid of glycerin and remains fluid at a temperature down to about −20° C.

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Patent Owner(s)

Patent OwnerAddress
AFTON CHEMICAL CORPORATION500 SPRING STREET RICHMOND VA 23219

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Culley, Scott A Midlothian, US 11 42
Nuckols, Michel Midlothian, US 10 9
Shanahan, Charles Richmond, US 4 7
Van, Hecke Lieven Kortrijk, BE 4 4
Yavari, Keihann Margny-les-Compiegne, FR 15 5

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