Patent ID: 6328771
Filing Date: 2001-12-11
Classification: C10L

Abstract:
A fuel composition, comprising:a major amount of a diesel fuel having a sulfur content of less than 0.2% by weight; anda minor lubricity improving amount of a composition made by reacting component (A) with component (B) under salt-forming conditions in a temperature range of 0.degree. C. to 120.degree. C.; component (A) comprising a carboxylic acid represented by the formula R(COOH).sub.n wherein R is a hydrocarbon group of 2 to 30 carbon atoms and n is a number in the range of 1 to 4, or an anhydride of said acid; and component (B) comprising a heterocyclic aromatic amine wherein the heterocyclic aromatic amine is soluble in the diesel fuel and can form a salt with the component (A) and wherein component (B) is selected from the group consisting of pyridine, pyrazine, pyrrole, pyrazole, imidazole, indole, purine, and mixtures of two or more thereof.