MULTIFUNCTIONAL ADDITION AGENT TO DIESEL FUEL, AND DIESEL FUEL Russian patent published in 1998 - IPC

FIELD: oil refining and petrochemistry. SUBSTANCE: claimed addition agent comprises (wt %): up to 90 copolymer or C₈-C₂₄higher ethers of acrylic or methacrylic acid with ethylene unsaturated monomers; not higher than 10 alkaline earth metal sulphonate; and ethylene-α- olefin copolymer with molecular weight of 1000-20,000, the balance. Multifunctional addition agent comprises alkyl nitrate in which C₃-C₁₈ alkyl is in amount of 1-30 wt %. The claimed summer or winter diesel fuel comprises said addition agent in amount of 0.001-0.5 wt %. EFFECT: higher depressing, antismoke and detergent properties of diesel fuel. 4 cl, 2 tbl