3885. WEBSTER, H. A. (one half to E. T. Schuler). Hydrocarbons and Alcohol From natural Gas. United States Patent 1,711,913, May 7, 1929. Chem. Abs., vol. 23, 1929, p. 3333.

An apparatus is specified comprising 2 retorts, to 1 of which a portion of the gas is supplied while the other retort is heated by the other portion of the gas; connections are provided for supplying steam alternately to the retorts and for supplying air alternately with the steam supply, and a catalyzer chamber is connected to the retorts and supplied with gases from them.