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Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1341. ------. [I. G. FARBENINDUSTRIE, A. G.] Methanol Synthesis. British Patent 308,181. Sept. 19, 1927. Chem. Abs., vol. 24, 1930, p. 130. Catalytic hydrogenation of oxides of C is effected at ordinary or slightly raised pressure and at relatively low temperatures, suitably about 100º-250º, by using catalysts comprising Cu and 1 or more oxides of a metal of groups 2-7, obtained by precipitating aqueous solutions of the metals salts with alkalies at moderate temperatures, suitably <30º, and reducing the washed precipitate with H2, CO, or their mixtures with inert gases. Gives various details and examples. |