2238. ------. [METALLGESELLSCHAFT A. G.]. [Conversion of Carbon Monoxide.] German Patent Appl. M 156,865, no date (Cl. IV b-26 a). Auszüge deut. Patent Anmeldungen, vol. 15, p. 334.

In the catalytic conversion of CO and H₂ to liquid and solid hydrocarbons, steam in amounts of 20-150 gm. per m.³ of initial gas is added to the synthesis gas before and during the hydrogenation.