257. ------. BROWN, B. K. (Commercial Solvents Corp.). Synthesis of Ketones and Hydrocarbons. United States Patent 1,575,830, May 6, 1930; appl. filed July 31, 1926, Serial No. 126,347. Chem. Abs., vol. 24, 1930, p. 3247.

Patent Abstracts

In the synthesis of products such as propyl-methylketone, a mixture of olefin gas such as C₂H₄ and acetone, at a temperature of 250º-550º and under a pressure > 50 atm., is passed over a catalyst comprising materials such as Zn and Cr oxides and ZnC_l2 which accelerate hydrogenating and dehydrogenating reactions.

See abs. 760, 761.

BROWN, C. S. See abs. 2388.