3274. SCHLECHT, L., AND KEUNECKE, E. (I. G. Farbenindustrie A. G.). Metal Carbonyls. United States Patent 1,996,833, Apr. 9, 1935; appl. filed Nov. 14, 1932, Serial No. 642,601; in Germany, Sept. 17, 1928; 8 claims (Cl. 23-203). Chem. Abs., vol. 29, 1

PATENT

3274. SCHLECHT, L., AND KEUNECKE, E. (I. G. Farbenindustrie A. G.). Metal Carbonyls. United States Patent 1,996,833, Apr. 9, 1935; appl. filed Nov. 14, 1932, Serial No. 642,601; in Germany, Sept. 17, 1928; 8 claims (Cl. 23-203). Chem. Abs., vol. 29, 1935, p. 3472.

CO is caused to react on a sulfidic compound of at least 1 metal, such as Ni or Fe, capable of forming a metal carbonyl, under conditions of temperature and pressure that are suitable for producing the metal carbonyl from the free metal and that serve for converting the sulfide into carbonyl.