2941.----- [RUHRCHEMIE, A. G.] [Increasing the Antiknock Property of Gasolines.] Italian Patent 375,265, June 27, 1939,. Chem. Zentralb., 1942, I, p. 2354.

Gasolines obtained by the hydrogenation of CO are treated with activated bleaching earth or other adsorption agents at raised temperature. In general temperatures of 100°-450° are used. The method can also be used advantageously with cracked gasoline from the higher synthetic oils or with polymerization gasoline.