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Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1288. ------. [I. G. FARBENINDUSTRIE A. G.] Hydrocarbons and Their Oxygen-Containing Derivatives. British Patent 474,448, Oct. 26, 1937. Chem. Abs., vol. 32, 1938, p. 3416. In the thermal conversion of CO and H2 into hydrocarbons having more than 1 C atom and/or their O-containing derivatives, the catalyst is prepared by adding to a previously precipitated reducible compound of a metal of the Fe group a compound of another metal that on heating yields an oxide not reducible by H2<900º, and subsequently heating the mixture in a reducing gas to >500º so that a partial sintering of the catalyst takes place. The nonreducible ingredient may be a compound of an earth metal, for example, Al, Be, Mn, Zn, Th, Ce, or Zr. It may be added as a precipitate or an aqueous dispersion or solution, which last may be precipitated after admixture with the Fe metal compound. A 3d component, which is a compound forming a reducible metal oxide, for example Cu(NO3)2, may be incorporated in the mixture. In an example, moist precipitated Fe(OH)3, is mixed with a suspensic of Al(OH)3, dried and reduced in H2 at 850º. |