C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/18 (2006.01) C10L 1/183 (2006.01) C10L 1/198 (2006.01) C10L 1/223 (2006.01) C10L 1/23 (2006.01)
Patent
CA 2123466
ABSTRACT OF THE DISCLOSURE A fuel composition comprising a major amount of a normally liquid fuel and a minor amount of at least one compound of the general formula Image (I) wherein each Ar is independently an aromatic group having from 4 to about 30 carbon atoms and from 0 to 3 optional substituents selected from the group consisting of amino, hydroxy- or alkyl- polyoxyalkyl, nitro, aminoalkyl, carboxy or combinations of two or more of said optional substituents, each R is independently a hydrocarbyl group, R1 is H or a hydrocarbyl group, R2 and R3 are each, independently, H or a hydrocarbyl group, R4 is a monovalent terminating group, each m is independently 0 or an integer ranging from 1 to about 10, x ranges from 0 to about 8, and each Z is independently OH, lower alkoxy, (OR5)bOR6 or O- wherein each R5 is independently a divalent hydrocarbyl group, R6 is H or hydrocarbyl and b is a number ranging from 1 to about 30 and c ranges from 1 to about 3, y is a number ranging from 1 to about 10 and wherein the sum m + c does not exceed the number of valences of the corresponding Ar available for substitution and at least one A is independently an amide or an amide-containing group. In one embodiment, (I) is present in an amount effective to provide total fuel intake system cleanliness in a port fuel injected internal combustion engine.
Adams Paul E.
Lange Richard M.
Stoldt Stephen H.
Ridout & Maybee Llp
The Lubrizol Corporation
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