3833.  VLUGTER, J. C., KEULEMANS, A. I. M., AND HART, M. (Shell Development Co.). Decobalting Procedure in Carbonylation of Olefins. United States Patent 2,564,456, Aug. 14, 1951. Chem. Abs., vol. 46, 1952, p. 1582.

In the carbonylation of olefins by the Oxo process, decobalting is effected by treating the reaction products, consisting mainly of aldehydes, with H₂ at about 50 atm. and 150°-200° (170°-190° is preferred). Describes apparatus.

See United States Patent 2,464,916 (abs. 2).