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Return to Abstracts of Patents Return to Abstracts of Patents 1000-1249 Patent Abstracts1244. ------. [I. G. FARBENINDUSTRIE A. G.] [Gaseous Olefins From Hydrogen and Carbon Oxides.] French Patent 660,560, July 12, 1929; appl. filed Sept. 18, 1928. Chem. Zentralb., 1930, I, p. 434; Chem. Abs., vol. 24, 1930, p. 127. By using a catalyst of Fe and U oxide with a constant temperature of 360°-370° and a pressure of 120 atm. with a gas containing 2% CO2, 23% CO, 71% H2, 4% N2, a yield of 3-4% C2H4 propylene, butylenes, amylene, besides small amounts of C2H4 and C3H8, H2O, and oil are obtained. No C was deposited on the catalyst over a period of 3 weeks. |