PATENTS

1900. ------. [KÖLBEL, H.] (Koppers Co.). Hydrocarbons From Gases Containing Carbon Monoxide and Hydrogen. United States Patent 2,244,710, June 10, 1941; appl. filed Sept. 23, 1938; Serial No. 231,275, in Germany Sept. 23, 1937; 5 claims (Cl. 260-449). Chem. Abs., vol. 35, 1941, p. 6094.

Gases are first passed over an Fe catalyst, hydrocarbons produced are removed from the treated gas mixture, and the gas is then further treated in the presence of another 8th group metal such as Co or Ni as a catalyst for the production of additional hydrocarbons, which are also separated.