SULFUR-CONTAINING COMPOUNDS Russian patent published in 1995 - IPC

FIELD: a modifier in fuels. SUBSTANCE: the product includes sulfur-containing compounds of the formula: A-C(X-R′)=C(Y-R″)-B wherein R′=CONR″′R′ is COOR′, H₂NR″′R′ or COO (-) (+) Y-R″-SO₃; HN(R″′)₂R″(-) (+), SO₃(-)(+), (-) (+) H₂NR″′R″, -SO₂(-) (+) H₂NR″′R″, -SO₂NR″′R″, R′ and R″ are C₁₀-C₂₂ alkyl, R″′ is hydrogen methyl or a C₁₀-C₂₂ hydrocarbon group, some R″′ may be the same or different; is part of the benzene or naphthalene ring. The product is prepared by reacting an acid or anhydride whit a secondary amine. EFFECT: improved properties of the modifier. 12 tbl