PATENTS

      1418.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Process for Producing Acetaldehyde.]  German Patent Appl. -. OZ 12,693. filed Apr. 2. 1941.  TOM Reel 26, item 11. frames 607-612: Meyer Transl. PC-S-II, Fischer-Tropsch. vol. 1. chap. 69. 1948, p. 176.

            CO and H₂ are caused to react with MeOH or dimethylether at a temperature <200º and under increased pressure, preferably at 150-300 atm., in the presence of catalysts consisting of metals of group 8 or their compounds capable of forming carbonyls.  The CO:H₂ ratio can vary in wide limits.  Conversion may take place either in the gas or liquid phase.