| 摘要 |
There is disclosed a catalytic composition represented by the formula: (Mo) alpha (W)b (Bi)c (Pb)d (Sb)e (K)f (P)g (O)h in which a, b, c, d, e, f, g and h stand for the numbers of atoms for molybdenum, tungsten, bismuth, lead, antimony, potassium, phosphorus and oxygen elements respectively, wherein, given that a + b = 12, 0</=b</=7 0.4</=c</=7 2</=d</=12 0.005</=e/a</=1.14 0</=f/a</=0.136 0</=g/a</=0.54, and h is one-half the sum of the products of the valences and the numbers of atoms for the individual constituent elements other than oxygen, a method for the production of this catalytic composition and its use for the production of unsaturated |
| 申请人 |
MITSUBISHI CHEMICAL INDUSTRIES LIMITED |
发明人 |
KAGEYAMA, YOICHI;HATANO, MASAKATSU;KOYAMA, TORU;KANEKO, TAKAO;MURAYAMA, MASAYOSI;OSHIMA, KAZUNORI |
