Process for improving the deshafting of a heavy hydrocarbon feedstock
US4882035A · kind A · utility
5Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1987 |
| Grant date | Nov 21, 1989 |
| Priority date | — |
| Expiry date | Aug 12, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G21/003
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for improving the deasphalting of a heavy hydrocarbon feedstock with a solvent by subjecting the feedstock to shearing alternatively after and/or before the addition of at least a portion of the solvent to the feedstock is disclosed. Alternative means for effecting the shearing and desired ranges of shear are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.