Crystalline transition metal tungstate
US10737248B2 · kind B2 · utility
1Cited by
48References
19Claims
0Family size
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Key dates
| Filing date | Apr 18, 2019 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2002/72
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a crystalline transition metal tungstate material or metal sulfides derived therefrom. The hydroprocessing using the crystalline ammonia transition metal tungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.