Transition metal tungstate material
US10682632B2 · kind B2 · utility
2Cited by
48References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2019 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/70
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a 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.