Processing of heavy hydrocarbon oils
US4354922A · kind A · utility
43Cited by
10References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1981 |
| Grant date | Oct 19, 1982 |
| Priority date | — |
| Expiry date | Mar 31, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G69/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention provides an integrated process for upgrading a combination of crude petroleum residua, refractory bottoms from catalytic cracking operations, and coal to gasoline and middle distillate products. The process involves dense-gas solvent extraction under supercritical conditions, cracking, and hydroconversion stages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.