1204. ------. [I. G. FARBENINDUSTRIE A. G.] [Conversion of Carbon Monoxide With Hydrogen.] German Patent Appl. I 63,810, OZ 11,356, no date, APC TC 1,222.

Return to Abstracts of Patents 1000-1249

Patent Abstracts

For the synthesis of hydrocarbons from CO and H₂ in a plurality of stages, the fresh charge gas is contacted in the first stage with a catalyst that has suffered appreciable loss in activity by use in a succeeding stage.