2938.----- [RUHRCHEMIE, A. G.] [Improving Antiknock Properties of Gasoline.] German Patent 749,424, July 3, 1938; Appl. R 102,756, R 396 (Cl. 23 b-1.05). TOM Reel 37, bag 3,451, item 35, 3 pp; TOM Reel 177, frames 1,562-1,564.

PATENTS

2938.----- [RUHRCHEMIE, A. G.] [Improving Antiknock Properties of Gasoline.] German Patent 749,424, July 3, 1938; Appl. R 102,756, R 396 (Cl. 23 b-1.05). TOM Reel 37, bag 3,451, item 35, 3 pp; TOM Reel 177, frames 1,562-1,564.

Octane number of benzine from the hydrogenation of CO is improved, from 5-10 points, by passage over material of high surface area such as silica gel, active C, acid treated clay, at 180°-200° C, apparently as a result of isomerization.