2510. ------. [NATTA, G.]. [Gas Mixtures.] Swiss Patent 141,827, Mar. 7, 1929. Chem. Abs., vol. 25, 1931, p. 2273.

Gas mixture of CO, H₂, and CO₂ containing at least 2 times as much H₂ as oxide of C, is obtained by passing an O₂ and steam current, containing at least 2 times as much steam as O₂, over C at about 700° and not over 750°.

See also British Patent 330,918 (abs. 2511).