PATENTS

      1655.  ------.  [INTERNATIONAL HYDROCARBON SYNTHESIS CO.]  [Catalytic Hydrogenation of Carbon Monoxide.]  French Patent 863,687. Apr. 7. 1941. Chem. Abs., vol. 42. 1948. p. 9124.

            Catalysts for use in obtaining liquid products from H₂ and CO at pressures below 20 atm, and temperature of 190º are made by precipitating a Co and Ag salt on an active earth and reducing by H₂ at 220º.  The amount of Ag present is about 8% of the Co.