PATENT 3270. ----- [SCHILLER, J. C.] (Standard Oil Development Co.). Gama-Iron Oxide-Alkali Metal Trioxalate Ferriate Catalyst and Process Of Preparation. united States Patent 2,465,281, Mar. 22, 1949; original appl. filed Dec 20, 1946, Serial No. 717,578; divided and this appl. filed June 1, 1948, Serial No. 30,449; 10 claims (Cl. 252-474). Chem. Abs., vol. 43, 1949, p. 4448. Preparation of this catalyst appears to correspond to that in United States Patent 2,465,279 (abs. 3269). |