PATENTS

      1591.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Synthesis of Hydrocarbons From Carbon Monoxide and Hydrogen.]  Italian Patent 374,321.  May 11, 1939.  Chem. Zentralb., 1940, II, p. 2988.

            See British Patent 516,352 (abs. 1208).