PATENTS

      72.              BADER, W., THOMAS, E. B., AND BRITISH CELANESE, LTD.  Catalysts for Methanol Synthesis and Other Purposes.  British Patent 345,649, Sept. 18, 1929.  Chem. Abs., vol. 26, 1932, p. 37.

In catalytic reactions involving oxidation, reduction, hydrogenation, or dehydrogenation, especially synthesis of MeOH from CO and H₂ using as catalyst ZnO or a mixture of Zn and Cr oxides, the oxides or hydroxides used as catalysts are prepared by electrolysis of corresponding metal salts, such as the nitrates or formats.  Describes numerous details off procedure.