1644. ------. [INTERNATIONAL HYDROCARBON SYNTHESIS CO.] [Catalyst for Hydrocarbon Synthesis.] Belgian Patent 440,411. Nov. 29, 1941; appl. filed Jan. 28. 1941: in Germany, Dec. 9, 1939. Chem. Zentralb., 1942. I. p. 2736.

Fe catalysts are used, which, calculated on the Fe content, contain at least 5% of Ca in the form of O-containing compounds. They are produced by precipitating Fe- and Ca-salt solutions with alkali hydroxides.