PATENT

3994.  [Carrying Out Hydrocarbon Synthesis From Carbon Monoxide and Hydrogen in a Cycle.] German Patent Appl. B 205,171, no date (Cl. 12 o-9.03). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 18.

Fresh gas is introduced between the catalyst furnace and the active C vessel in the cycle.