Fuel oil compositions

Claim 1

AS A FUEL OIL HAVING A BOILING RANGE OF 135* F. TO 700* F. COMPOSITION, A DISTILLED HYDROCARBON FUEL CONTAINING A SMALL AMOUNT SUFFICIENT TO STABILIZE THE FUEL WITH RESPECT TO THE FORMATION OF SLUDGE AND UNDESIRABLE COLOR BODIES OF THE PRODUCTS OBTAINED BY REACTING AT A TEMPERATURE OF ABOUT 100* TO 300* C. FOR FROM ABOUT 1 TO 4 HOURS (A) AN OXIRANE RING CONTAINING COMPOUND SELECTED FROM THE CLASS CONSISTING OF EPOXIDIZED HIGHER FATTY ACIDS, EPOXIDIZED LOWER ALKANOL ESTERS OF HIGHER FATTY ACIDS, EPOXIDIZED AMIDES OF LOWER ALKYL AMINES AND FATTY ACIDS, EPOXIDIZED HIGHER FATTY ALCOHOLS AND EPOXIDIZED HIGHER FATTY ACIDS GLYCERIDES, WITH (B) AN OXYALKYLATION-SUSCEPTIBLE NITROGEN CONTAINING COMPOUND SELECTED FROM THE CLASS CONSISTING OF HYDRAZINE AND MONOAMINO AND POLYAMINO COMPOUNDS COMPOSED OF CARBON, HYDROGEN, OXYGEN AND NITROGEN ATOMS, HAVING ONLY FUNCTIONAL GROUPS, PRIMARY FROM THE CLASS CONSISTING OF HYDROXYL GROUPS, PRIMARY AMINO GROUPS AND SECONDARY AMINO GROUPS AND HAVING AT LEAST ONE SUCH FUNCTIONAL AMINO GROUP; SAID REACTION BETWEEN (A) AND (B) INVOLVING RUPTURE OF EACH OXIRANE RING AND RESULTING IN THE FORMATION OF AT LEAST ONE OF THE FOLLOWING GROUPINGS.