| abstract |
PCT No. PCT/EP94/03111 Sec. 371 Date Mar. 22, 1996 Sec. 102(e) Date Mar. 22, 1996 PCT Filed Sep. 16, 1994 PCT Pub. No. WO95/08391 PCT Pub. Date Mar. 30, 1995Catalysts of the formula I [AaBbOx]p [CcDdFeeCofEiFjOy]qI, where A is bismuth, tellurium, antimony, tin and/or copper, B is molybdenum and/or tungsten, C is an alkali metal, thallium and/or samarium, D is an alkaline earth metal, nickel, copper, cobalt, manganese, zinc, tin, cerium, chromium, cadmium, molybdenum, bismuth and/or mercury, E is phosphorus, arsenic, boron and/or antimony, F is a rare-earth metal, vanadium and/or uranium, a is from 0.01 to 8, b is from 0.1 to 30, c is from 0 to 4, d is from 0 to 20, e is from 0 to 20, f is from 0 to 20, i is from 0 to 6, j is from 0 to 15, x and y are numbers determined by the valency and frequency of the elements other than oxygen in I, and p and q are numbers whose ratio p/q is in the range from 0.001 to 0.099, and a process for the preparation of these catalysts, their use for the ammonoxidation, oxidation or dehydrogenation of ethylenically unsaturated compounds, and a process for the ammonoxidation, oxidation or oxidative dehydrogenation of ethylenically unsaturated compounds in the presence of the novel catalysts. |