1886.  KLEMM, R., AND LINCKH, E. (Standard Catalytic Co.). Catalysts Suitable for Use in Producing Hydrocarbons From Carbon Monoxide and Hydrogen. United States Patent 2,292,570. Aug. 11, 1942; appl. filed June 15, 1940, Serial No. 340,768, in Germany Nov. 12, 1938; 4 claims (Cl. 252-256). Chem. Abs., vol. 37, 1943, p. 745.

Metal of the Fe group, such as Fe, Co, or Al or the oxide of such a metal, is treated with steam and H₂ at a high temperature (suitably about 800°-1,200°) with use of about 5-50% H₂ in the treating mixture, and the resulting oxidic material is reduced, as by H₂ at 650°. Gives several examples with details.