PATENT

3430.  SOCIÉTÉ NATIONALE DE RECHERCHES SUR LE TRAITEMENT DES COMBUSTIBLES.  Apparatus for Effecting Exothermic Gaseous Reactions With a Solid Catalyst.  British Patent 367,772, Oct. 18, 1930.  Chem. Abs., vol. 27, 1933, p. 876.

See United States Patent 1,870,665 (abs. 63).