318. CARPENTER, G. B. (E. I du Pont de Nemours & (Co.). Aliphatic Carboxylic Acids. United States Patent 1,924,763, Aug. 29, 1933: appl. filed June 28, 1932, Serial No. 619,737; 18 claims (Cl. 260-116). Chem. Abs., vol. 27, 1933. p. 5340.

Patent Abstracts

318. CARPENTER, G. B. (E. I du Pont de Nemours & (Co.). Aliphatic Carboxylic Acids. United States Patent 1,924,763, Aug. 29, 1933: appl. filed June 28, 1932, Serial No. 619,737; 18 claims (Cl. 260-116). Chem. Abs., vol. 27, 1933. p. 5340.

Volatile halide such as a HCl is employed as a catalyst in the production of acids, such as propionic acid, from steam, CO, and an olefinic hydrocarbon such as C₂H₄.