Tungsten catalysts
US7851401B2 · kind B2 · utility
1Cited by
3References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2003 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Apr 25, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns solids comprising a single tungsten oxide layer on a zirconia support and/or titanium dioxide support, characterized in that the tungsten exhibits tetrahedral co-ordination, before and after calcining. The invention also concerns the method for preparing the solids, and their uses as acid catalysis reactions catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.