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Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1321. ------. [I. G. FARBENINDUSTRIE A. G.] Iron for Catalyzing Ammonia Synthesis. British Patent 267,554, Mar. 13, 1926. Chem. Abs., vol. 22, 1928, p. 1221. Fe obtained by decomposition of Fe carbonyl may be mixed with a small proportion of Al2O3, MgO, or ZrO2 and a trace of KNO3 and the mixture melted in a current of O2 and the granular product reduced with H2. |