Heavy oil hydroprocessing
US4557821A · kind A · utility
101Cited by
10References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1983 |
| Grant date | Dec 10, 1985 |
| Priority date | — |
| Expiry date | Aug 29, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G49/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Heavy or refractory oils are hydroprocessed in the presence of added water and added hydrogen sulfide with or without a slurry catalyst comprising molybdenum sulfide. The water and hydrogen sulfide may originate from the catalyst preparation procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.