Mesoporous crystalline composition with a high surface area of a tetravalent metal which can be used as catalyst
US5993768A · kind A · utility
26Cited by
6References
4Claims
0Family size
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Key dates
| Filing date | Dec 29, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Dec 29, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B25/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Solid mesoporous crystalline composition of a pyrophosphate-phosphate of a tetravalent metal, with a high surface area and narrow distribution of the mesopores, having formula (I): EQU M(P.sub.2 O.sub.7).sub.1-z (HPO.sub.4).sub.2z (I) wherein: M is a tetravalent metal and z varies from 0.05 to 0.25. The process for its production is described together with its uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.