GASOLINE ADDITIVE AND MOTOR FUEL CONTAINING IT Russian patent published in 2002 - IPC

FIELD: petroleum processing and petrochemistry. SUBSTANCE: high-octane gasoline additive contains aromatic amine (or derivatives thereof) having general formula: , wherein R₁-R₃ represent radical selected from hydrogen, methyl, and ethyl, in combination with oxide compound of general formula R₄-O-R₅, wherein R₄ represents hydrogen or C1-C3-alkyl, in particular methyl, ethyl, or isopropyl, and R₅ represents C1- C6-alkyl, in particular methyl, ethyl, n- and i-propyl, n-, i-, and t-butyl, isopentyl, isohexyl, or their mixture, together with hydrazine additive or its aqueous solution at aromatic amine/oxyde/hydrazine weight ratio (0.5- 70):(93.5- 29.995): (0.005-2). Additive may contain antioxidant not exceeding 5% based on the total weight of additive composition. Motor fuel contains from 0.3 to 25 wt % of additive and may additionally contain detergent and/or anticorrosion agents, summary content of antioxidant, detergent and anticorrosion agents does not exceed 9.5% based on the weight of fuel. EFFECT: improved anti-knock and other properties of motor fuel. 9 cl, 7 tbl, 3 ex