1805. -----. [KAUFMAN, H., AND SIMON, W.] (W. E. Currie). [Production of Nonknocking Motor Fuels.] United States Patent 2,228,118, Jan. 7, 1941; appl. filed May 3, 1939, Serial No. 271,506, in Germany May 9, 1939; 10 claims (Cl. 196-50). Chem. Abs., vol. 35, 1941, p. 3074.

PATENTS

1805. -----. [KAUFMAN, H., AND SIMON, W.] (W. E. Currie). Production of Nonknocking Motor Fuels. United States Patent 2,228,118, Jan. 7, 1941; appl. filed May 3, 1939, Serial No. 271,506, in Germany May 9, 1938; 10 claims (Cl. 196-50). Chem. Abs., vol. 35, 1941, p. 3074.

Oil b. partly above 200º C. and rich in H such as Kogasin, is mixed with an oil of lower H content such as tar middle oil, and the mixture hydrogenated over a catalyst above 400º C and 350 atm. Sulfides of the 6^th group metals are preferred as catalysts.