1796.  KAPECKI, A. F. (Gicaudan Corp.). Process of Preparing Chromium Trioxide Hydrogenating Metal Oxide Catalysts. United States Patent 2,512,653, June 27, 1950; appl. filed Apr. 10, 1945, Serial No. 587,609; 17 claims (Cl. 252-468). Chem. Abs., vol. 44, 1950, p. 9087.

Flowable homogeneous mixture is formed consisting of 1-3 mol. CrO₃ and 1-2 mol. of at least 1 acetate of metal selected from Zn, Cu, and Cd, mixing and heating at 95º-300º. The catalysts are used in reduction of long-chain fatty acids or their derivatives to the alcohols corresponding to the fatty acids or fatty acid radicals present in the material reduced. 1 literature ref. and 10 United States patents cited.

KARPEN, S., & BROS. See abs. 501, 502.