PATENT

3715.  SUWA, T., AND HAMA, Y  (Showa Electro-Indurstires Co.).  [Iron Catalyst for Ammonia Synthesis.].  Japanese Patent 3,412, Sept. 1 1952.  Chem. Abs., vol. 47, 1953, p. 8975.

A mixture of powdered electrolytic Fe 210, Al powder 7, CaO 3, and KNO₂ 9 gm. is molded with 250 kg. per cm.²  pressure, then oxidized as usual by a fusion method.