PATENT

3163. -----[RUHRCHEMIE, A.G.] [Protection of Catalysts From Air.] French Patent 845,301, Aug. 18, 1939. Chem Abs., vol. 35, 1941, p. 1196.

Catalysts used in organic reactions, especially those for the synthesis of hydrocarbons from CO and H2, are protected against the action of air by impregnating them with CO2 at a temperature below 30°.