PATENTS

      1489.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Production of Liquid Hydrocarbons and Their Derivatives.]  French Patent 632,011, Dec. 30. 1927: appl. filed Apr. 4. 1927.  Chem. Zentralb., 1928. O p. 1738.

            Gas mixtures containing CO and H₂ are passed at raised temperatures and at any pressure over catalysts consisting wholly or partly of metal sulfides.  Example: Water gas at about 20 atm. pressure is passed through an Al-lined pressure vessel at 270º over a catalyst of CoS.  A petroleumlike oil is obtained by cooling the exit gases.