PATENTS

      1675.  ------.  [INTERNATIONAL HYDROCARBON SYNTHESIS CO.]  Hydrocarbons.  British Patent 534,367.  Mar. 5, 1941: appl. filed Feb. 8, 1940.  Chem. Abs., vol. 36, 1942. p. 1468.

Conversion of CO and H₂ into hydrocarbons with more than 1 C atom in the molecule is effected in presence of catalysts, which contain Co together with 0.2-8%, calculated with reference to the Co, of Ag as such or in form of a compounds.  The catalysts are subjected, before use, to a treatment with reducing gases at a temperature not exceeding 250°.