3157.----- [RUHRCHEMIE, A. G.] [Production of Pure Aliphatic Oxygenated Compounds, Particularly Alcohols and Fatty Acids.]. Belgian Patent 440,397, Oct. 15, 1941; appl. filed Jan. 28, 1941.. Chem Zentralb, 1942, I, p. 1054.

Before the catalytic conversion of CO and H₂ the hydrocarbons to be treated are fractionated.