Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1269. ------. [I. G. FARBENINDUSTRIE A. G.] [Hydrocarbons]. French Patent 660,133, Sept. 10, 1928. Chem. Abs., vol. 24, 1930, p. 127. Hydrocarbons and other organic compounds are prepared by treating oxides of C with H2 or gases containing it at a high temperature in the presence of catalysts that contain, besides metals of the 8th group of the periodic system, alkali metal compounds, the content of alkali metal (in the combined state) being <0.6% preferably 0.4-0.6 gm. per 100 gm. of metals of the 8th group. Gives examples. See also French Patent 643,784 (abs. 1543) and Czechoslovak Patent 33,469 (abs. 1296). |