Phosphorus/vanadium catalyst preparation
US5922637A · kind A · utility
6Cited by
4References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 1998 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Jan 9, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention provides an improved method for the production of vanadium/phosphorous mixed oxide catalysts, a vanadium +5 solid compound first being digested in an organic solvent at anhydrous conditions, water then being added and the resulting aqueous mixture containing suspended solid vanadium compound being digested to form the catalyst precursor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.