Process for visbreaking resid deasphaltenes
US4428824A · kind A · utility
29Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1982 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Sep 27, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/107
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process is described for visbreaking a deasphalted hydrocarbon oil and subsequently reblending the recovered asphaltene fraction to produce a product of low viscosity and pour point and requiring less cutter stock oil as compared to conventional visbreaking processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.