PATENT 3932. ----- [WILCOX, W. D.] Methanol Production From Carbon Oxides and Hydrogen. United States Patent 2,279,153, Apr. 7, 1942; appl. filed May 19, 1938, Serial No. 208,840; 11 claims (Cl. 260-449). Chem. Abs., vol. 36, 1942, p. 5,188. In a process utilizing high pressures and catalyst, the gases are 1st passed at 200°-325° through a layer of catalyst material predominantly composed of finely divided metallic Cu, and then passed, at 300°-450° through a layer of catalyst material predominantly composed of ZnO. |