| 摘要 |
1,169,899. Oxidation catalysts. MONTECATINI EDISON S.p.A. 22 Dec., 1966 [28 Dec., 1965], No. 57478/66. Heading B1E. [Also in Division C2] Oxidation catalysts comprise mixtures of Ce and Te oxides or other oxygenated compounds such that Te:Ce ratio is 9:1 to 1:1. The catalysts may be supported on SiO 2 , Al 2 O 3 or fire clay. In examples SiO 2 is impregnated with soluble Ce and Te salts and fired. |
