PATENTS 3153.----- [RUHRCHEMIE, A. G.] [Production of Lubricants.] Indian Patent 23,278, Feb. 13, 1937; appl, filed Oct. 5, 1936, Chem. Zentralb., 1937, II, p. 2465. The products obtained by the hydrogenation of CO are separated and the hydrocarbons b. > 150° are wholly or partly cracked at temperatures of 450°-550° and at a pressure of 8-15 atm. They are then wholly or partly condensed in known manner by the aid of condensation agents such as AlCl3. |