PATENTS

      1524.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Purifying Products of Methanol Synthesis.]  Swiss Patent 136,373, no date.  Schmidt, J., Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig. 1950, p. 218.

            Purification with oxidizing agents such as H2O2, NaOCl, KMnO4, with addition of nonvolatile alkalies or organic bases and of halogen salts.

            See German Patent 508,953 (abs. 2379) and United States Patent 1,744,180 (abs. 3760).