PATENTS

1757. ------. [JAEGAR, A. O.] (Selden Co.). Reduction of Carbon Monoxide. United States Patent 1,741,308, Dec. 31, 1929; appl. filed Nov. 9, 1927. Chem. Abs., vol. 24, 1930, p. 1125.

Specifies the admixture together of the catalysts for the different successive stages of the process described in United States Patent 1,741,306 (abs. 1755).