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Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1297. ------. [I. G. FARBENINDUSTRIE A. G.] [Hydrocarbons from Carbon Monoxide and Hydrogen.] French Patent 49,424, mar. 24, 1939. Chem. Abs., vol. 36, 1942, p. 2709. See French Patent 814,636, (abs. 1274), and British Patent 490,090 (abs. 1168). |