2685. PIER, M., MÜLLER-CUNRADI, M., WIETZEL, G., AND WINKLER, K. (I. G. Farbenindustrie A. G.). Catalytic Methanol Production. United States Patent 1,766,763, June 24, 1930; appl. filed Sept. 15, 1923. Chem. Abs., vol. 24, 1930, p. 4053.

In the production of MeOH and other oxygenated organic compounds by catalysis under pressure of H₂ and C oxides, volatile compounds of Fe are removed from the gases before they come into contact with the catalyst, suitably by passing through a layer of active C.