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US 4,729,769 AGranted
Gasoline compositions containing reaction products of fatty acid esters and amines as carburetor detergents
AssigneeTexaco Inc.
InventorsRaymond C. Schlicht, Mark D. Levin, Sheldon Herbstman, Rodney L. Sung
Life of this patent
Estimating the term…
Abstract
Improved gasolines contain, as a detergent additive, the reaction product of coconut oil and diethanolamine or dimethylaminopropylamine.
Claims25
A motor fuel composition comprising
- (a) a major portion of a fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) a minor effective amount of, as detergent additive, a reaction product of C.sub.6 -C.sub.20 fatty acid ester and a mono- or di-(hydroxy hydrocarbyl) amine.
A motor fuel composition comprising:
- (a) a major portion of a fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) a minor effective amount of, as detergent additive, a reaction product of an N-hydroxyhydrocarbyl substituted amine and a polyol ester bearing C.sub.6 -C.sub.20 acid moieties.
A motor fuel composition comprising:
- (a) a major portion of a fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) a minor effective amount, of, as detergent additive, a reaction product of C.sub.6 -C.sub.20 fatty acid ester of a polyhydroxy compound and a mono- or di-(hydroxyhydrocarbyl) amine.
A motor fuel composition comprising
- (a) a major portion of a fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) 0.002 w%-0.2 w% of the reaction product of coconut oil and diethanolamine.
A motor fuel composition comprising
- (a) a major portion of a fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) a minor effective amount of, as detergent additive, a reaction product of a C.sub.6 -C.sub.20 fatty acid ester and a mono- or di-(hydroxyhydrocarbyl) amine
- RCON(R"OH).sub.2-a (H).sub.a
- wherein
- R is an alkyl hydrocarbon group containing 6-20 carbon atoms;
- R" is a divalent hydrocarbon group containing 1-10 carbon atoms;
- and
- a is 0 or 1.
6 more elements
A motor fuel composition comprising
- (a) a major portion of fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) a minor effective amount of about 0.02-0.2 w% as a detergent additive of a reaction product of (i) as a C.sub.6 -C.sub.20 fatty acid ester, a natural oil selected from the group consisting of coconut oil, babasu oil, palm kernel oil, palm oil, olive oil, castor oil, peanut oil, rape oil, beef tallow oil, lard oil, whale blubber oil, and sunflower oil and (ii) a mono- or di-(hydroxy hydrocarbyl amine.
A motor fuel composition comprising
- (a) a major portion of fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) a minor effective amount of about 0.02-0.2 w% as a detergent additive of a reaction product of coconut oil and an ethanolamine.
A motor fuel composition comprising
- (a) a major portion of fuel consisting essentially of a hydrocarbon boiling in the gasoline boiling range;
- and
- (b) a minor effective amount of about 0.02-0.2 w% as a detergent additive of a reaction product of coconut oil and diethanolamine.
Dependencies are inferred from the claim text.