Catalyst for the manufacture of acrylonitrile and hydrogen cyanide
US5840648A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Sep 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst composition comprising a complex of catalytic oxides of iron, bismuth, molybdenum and calcium and characterized by the following empirical formula: EQU A.sub.a B.sub.b C.sub.c D.sub.d Fe.sub.e Bi.sub.f MO.sub.12 O.sub.x where A=one or more of Li, Na, K, Rb and Cs or mixtures thereof PA1 B=one or more of Mg, Mn, Ni, Co, Ag, Pb, Re, Cd and Zn or mixtures thereof PA1 C=one or more of Ce, Cr, Al, Sb, P, Ge, La, Sn, V and W or mixtures thereof PA1 D=one or more of Ca, Sr, Ba or mixtures thereof and a=0.01 to 1.0; b and e=1.0-10; c, d, and f=0.1 to 5.0 and x is a number determined by the valence requirements of the other elements present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.