Nickel molybdotungstate hydrotreating catalysts
US6156695A · kind A · utility
148Cited by
15References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 15, 1997 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | Jul 15, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydrodenitrogenation catalyst is prepared by decomposing a nickel (ammonium) molybdotungstate precursor and sulfiding, either pre-use or in situ, the decomposition product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.