PATENTS

      1587.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Synthesis of Hydrocarbons From Carbon Monoxide and Hydrogen.]  Austrian Patent 160,564. no date.  Schmidt, J., Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig, 1950. p. 159.

            See United States Patent 2,207,581 (abs. 568).