PATENTS

      1493.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Production of Non-Knocking Motor Fuels by Conversion of Hydrocarbons.]  British Patent 532,424, Aug 30, 1939.  British Patent 532,424, Aug. 30, 1939.  British Chem. Abs., 1941, B, p. 134.

            Formation of gaseous and low boiling products, which normally occurs during the catalytic cracking of hydrocarbons formed by reduction of CO and H₂, is suppressed if such cracking is effected in presence of a paraffinic base petroleum (10-50%.)