PATENTS 2935.---- [RUHRCHEMIE A. G.] [Hydrogenation of Carbon Oxides] German Patent Appl. R 96,036, no date (Cl. IV d-12 o). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 294. In the catalytic hydrogenation of CO to higher hydrocarbons, the greater part of the gases used for regeneration is recycled to the synthesis furnace. Addition to German Patent Appl. R 94,946. |