1878.  KITA, G., TSUNEOKA, S., MURATA, Y., AND MAKINO, S. (Kyoto Imperial University). [Oil Synthesis by Iron Catalyst From Carbon Monoxide and Hydrogen.] Japanese Patent 143,373, May 8, 1941; appl. filed Oct. 15, 1937. United States Naval Technical Mission to Japan, Index No. X-38 (N)-7, Encl. (D), 1946, p. 247.

Normal pressure, Fe, Cu, kieselguhr, and alkali catalyst. Reduction by reaction gas.