Return to Abstracts of Patents Return to Abstracts of Patents 250-499 Patent Abstracts299. CAMPARDOU, J., AND VERGUES, J. [Use of Wood Charcoal as Catalyst in Preparation of Methyl Alcohol From Carbon Monoxide and Hydrogen.] French Patent 613,470, Mar. 3, 1925. British Chem. Abs., 1928, B. p. 596. Gases are heated in a closed vessel at 300º-400º in the presence of wood charcoal. CAMPBELL, D. L. See abs. 2439. |