FIELD: petrochemistry. SUBSTANCE: proposed petroleum composition contains paraffin fraction and polymer additive, its quantity being 50-5000 mg/kg. Said additive is linear copolymer of carbon monoxide and one or number of α-olefins which has 10-24 carbon atoms per molecule, units of carbon monoxide and olefins being alternated in it. Average molecular weight of said copolymer is 1000-1000000. EFFECT: improves quality of composition. 2 cl, 3 tbl
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