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Patent Abstracts

      569.  DUFTSCHMID, F., LINCKH. E., AND WINKLER, F. (I. G. Farbenindustrie A. G.).  Catalytic Hydrogenation of Carbon Monoxide to Form Hydrocarbons.  United States Patent 2,207,581.  July 9, 1940: appl. Filed Nov. 4, 1937.  Serial No. 172738, in Germany Nov. 4, 1936: 4 claims (Cl. 260-449).  Chem. Abs., vol. 34, 1940, p. 8225.

Hydrocarbons containing more than 2 C atoms in the molecule are produced from a mixture of H2 with a greater volume of CO by use of an Fe catalyst at 200°-420° in a liquid medium consisting of hydrocarbon oils produced in a preceding operation of the same type.