Crude oil compositions having improved low temperature flow prop

Details Crude oil compositions having improved low temperature flow prop Crude oil compositions having improved low temperature flow prop

1973-07-02

1976-05-18

Guynn, Herbert B.

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

137 13, 166304, 252 855B, 252 515A, E21B 4312, C09K 300

Patent

active

039576590

ABSTRACT:
The flow properties of waxy crude oils are improved by the incorporation therein of a copolymer of (1) an olefinically unsaturated compound containing a long hydrocarbon side chain and (2) an olefinically unsaturated heterocyclic nitrogen-containing compound, e.g., 4-vinyl pyridine.

REFERENCES:
patent: 2204967 (1940-06-01), Moser
patent: 2364222 (1944-12-01), Kaufman
patent: 2839512 (1958-06-01), Barnum et al.
patent: 3669189 (1972-06-01), Fischer
patent: 3776247 (1973-12-01), Choufoer et al.

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