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Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1257. ------. [I. G. FARBENINDUSTRIE A. G.] Hydrocarbon Synthesis. British Patent 293,572, July 13, 1927. Chem. Abs., vol. 23, 1929, p. 1648. Mixtures comprising C oxides and H2 preferably under pressure at elevated temperatures, are passed over a catalyst containing Fe or Co, at a velocity less than that required for producing liquid hydrocarbons; olefinic gases may thus be formed. Examples are given of the use of Ni-Cr and Fe-Ag alloys as catalysts. |