2010. LARSON, A. T., AND VAIL, W. E. (E. I. du Pont de Nemours & Co.). Aliphatic Carboxylic Acids. United States Patent 1,924,765, Aug. 29, 1933; appl. filed Nov. 25, 1931, Serial No. 577,392; 10 claims (Cl. 260-116). Chem. Abs., vol. 27, 1933, p. 5340.

PATENTS

2010. LARSON, A. T., AND VAIL, W. E. (E. I. du Pont de Nemours & Co.). Aliphatic Carboxylic Acids. United States Patent 1,924,765, Aug. 29, 1933; appl. filed Nov. 25, 1931, Serial No. 577,392; 10 claims (Cl. 260-116). Chem. Abs., vol. 27, 1933, p. 5340.

Production of aliphatic carboxylic acids such as propionic acid from steam, CO, and an olefinic hydrocarbon such as C₂H₄ is effected in the presence of active C and an NH₄ halide such as NH₄Cl.