Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts660. FISCHER, E., AND DONATH, B. Hydrocarbons. British Patent 479,931, Feb. 9, 1938. Chem. Zentralb., 1938, II, p. 470; Chem. Abs., vol. 32, 1938, p. 4999. Hydrocarbons are produced from CO and H2 at over 1,500 atm. and the requisite temperature without a catalyst, the pressure being developed in successive compression stages. Describes apparatus. See also French Patent 825,379, (abs. 661). |