FUEL OIL COMPOSITIONS.

摘要

THIS INVENTION PROVIDES A FUEL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF A FUEL OIL AND A MINOR AMOUNT OF AN ADDITIVE COMPRISING AT LEAST ONE FUEL OIL-SOLUBLE ALKYL OR ALKOXY AROMATIC COMPOUND WHEREIN AT LEAST ONE GROUP INDEPENDENTLY SELECTED FROM ALKYL AND ALKOXY GROUPS OF 1 TO 30 CARBON ATOMS IS ATTACHED TO ANAROMATIC NUCLEUS AND AT LEAST ONE CARBOXYL GROUP AND OPTIONALLY ONE OR TWO HYDROXYL GROUPS ARE ATTACHED TO THE AROMATIC NUCLEUS; A PROCESS FOR THE PREPARATION OF SUCH A FUEL OIL COMPOSITION; AND THE USE OF SUCH A FUEL OIL COMPOSITION AS FUEL IN A COMPRESSION-IGNITION ENGINE FOR CONTROLLING WEAR RATE IN THE FUEL INJECTION SYSTEM THEREOF.