PATENTS

      1541.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Reduction of Carbon Monoxide With Hydrogen to Form Hydrocarbons.]  Italian Patent 346,769, Dec. 1, 1936.  Chem. Zentralb., 1939. I, p. 430.

            See French Patent 814,082 (abs. 1529).