1134. ------. [I. G. FARBENINDUSTRIE A. G.] [Antiknock Fuel.] German Patent 720,928, Apr. 16, 1942 (Cl. 23 b-1.04). Chem. Abs., vol. 37, 1943, p. 2920.

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Patent Abstracts

1134. ------. [I. G. FARBENINDUSTRIE A. G.] [Antiknock Fuel.] German Patent 720,928, Apr. 16, 1942 (Cl. 23 b-1.04). Chem. Abs., vol. 37, 1943, p. 2920.

This fuel is produced by catalytic cracking of heavy benzine or medium oils. The starting material are passed through a reaction chamber in which the pressure and temperature gradually increase. The difference in pressure is at least approximately 5 atm. and in temperature at least approximately 10°.

See also British Patent 521,687 (abs. 1179), and French Patent 857,177 (abs. 1597).