Upgrading heavy oil
US5055179A · kind A · utility
3Cited by
14References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 1989 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Jun 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G9/007
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Heavy crude oils are upgraded thermally in the presence of water and a polyhydroxy metal bentonite in an autoclave, particularly at a temperature of about 200.degree. to about 300.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.