PATENT

3309.  SCHWARZKOPF, P., AND DEUTSCHE GLÜHFADEN-FABRIK.  [Methane From Hydrogen and Carbon Oxides.]  German Patent 362,462, Oct. 28, 1922; appl. filed Jan. 15, 1921.  Chem. Zentralb., 1923, II, p. 250.

CH₄ is obtained by passing a gas mixture of H₂ and C metals of the same group.  The reaction velocity is high, and the gas can be passed at a speed of 600 m. per hr. over the glowing Mo.