Preparation of a single phase vanadium (IV) bis (metaphosphate) oxidation catalyst with an improved surface area
US4165299A · kind A · utility
18Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 1978 |
| Grant date | Aug 21, 1979 |
| Priority date | — |
| Expiry date | May 23, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/252
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for the preparation of a single phase vanadium(IV)bis(metaphosphate), VO(PO.sub.3).sub.2, catalyst having an improved surface area and useful for the vapor phase oxidation of linear C.sub.4 unsaturated olefins, such as the n-butenes, to prepare maleic anhydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.