PATENTS 3151.----- [RUHRCHEMIE, A. G.] [Production of Lubricants.] Belgian Patent 416,717, Dec. 1, 1936; appl. filed July 28, 1936; in Germany Aug. 24, 1935. Chem. Zentralb., 1937 II, p. 3417. Hydrocarbon oils obtained from water gas and b. > 150° are cracked and the resulting olefins condensed to lubricants. |