2700. ------. [PINTSCH, J., KOM.-GES.] [Motor Fuel.] French Patent 871,499, Apr. 27, 1942; appl. filed Apr. 11, 1941. Chem. Zentralb., 1942, II, p. 2109.

Lead susceptibility of motor fuels from the Fischer-Tropsch process can be increased by adding 10-30% of liquid propane or butane.