Catalyst and process for producing diolefins
US4455388A · kind A · utility
12Cited by
27References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1981 |
| Grant date | Jun 19, 1984 |
| Priority date | — |
| Expiry date | Dec 29, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
High surface area oxidative dehydrogenation catalysts which are suitable for converting C.sub.4 to C.sub.8 monoolefins to diolefins are disclosed, comprising the oxides of an alkali metal, vanadium, phosphorus, potassium and tin in combination with a crystalline silica having a surface area between 30 M.sup.2 /g to 450 M.sup.2 /g and wherein the vanadium has an average valence in the range of from 3.5 to 4.95.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.