1519. ------. [I. G. FARBENINDUSTRIE, A. G.] Purifying Hydrocarbons From Destructive Distillation. British Patent 257,270. Aug. 18. 1926; appl. filed Aug. 20. 1925. Chem. Zentralb., 1927. I p. 1066: Chem. Abs., vol. 21. 1927. p. 3123.

Products from the hydrogenation of carbonaceous materials are freed from tarry, O-containing substances by means of a low aliphatic alcohol (methyl, ethyl, and propyl alcohols), which has been obtained by the catalytic hydrogenation of CO under pressure.