PATENTS

3082.----- [RUHRCHEMIE, A. G.]  [Process for Raising the Antiknock Value of Benzines Obtained by Working Up the Liquid Primary Products of the Hydrogenation of Carbon Monoxide.]  German Patent Appl. R 102,757, R 395, filed July 2, 1938 (Cl. IV d-23 b).  TOM Reel 37, bag 3,451, item 35, 3 pp.; TOM Reel 177, frames 1,558-1,561; Meyer Transl. PC-S-II.  Fischer-Tropsch, vol. 1, ch. 22, 1948, p. 57.

Octane number of benzine obtained by the hydrogenation of CO is improved by treating it with a broad surface material such as active charcoal or activated bleaching earth at temperatures chiefly at 150°-250° AlCl3 may be added.