Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts503. DOLGOV, B. N., AND OSHEROVA, M. M. [Catalyst for Synthesis of Gasoline.] Russian Patent 52,888. Mar. 31, 1938. Chem. Abs., vol. 34, 1940, p. 5632. Solution of Al, Mn, and Cr nitrates is treated with K2CO3, the precipitate boiled, washed, heated to 450°, suspended in a solution of K2CO3, the product treated with a solution of Ni (NO3)2, and the precipitate formed again, boiled, washed, dried, and reduced at 180°-200°. DOLPH, R. N. See Abs. 1052. |