| abstract |
A diesel fuel composition comprising a major portion of a middle distillate fuel oil and a minor portion, effective to clean deposits from diesel fuel injectors, of a diesel fuel detergent comprising the reaction product of: (a) a 4-alkyl-2-morpholinone represented by the formula: <IMAGE> in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, and (b) an alkylphenoxypolyoxyalkylene amine represented by the formula: <IMAGE> in which R' represents a hydrocarbyl radical having from 4 to 30 carbon atoms, x has a value from 5 to 50, and R'' represents a methyl radical or a mixture of hydrogen and methyl radicals. A method of cleaning diesel fuel injectors is also provided. |