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.