Method for making a process oil by using aromatic enrichment with extraction followed by single stage hydrofinishing (LAW764)
US6080302A · kind A · utility
5Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1998 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | Dec 15, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G67/0418
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for producing a process oil is provided in which an aromatic extract oil is added to a paraffinic rich feed to provide a blended feed. The blended feed is then extracted with an aromatic extraction solvent to yield a raffinate which subsequently is hydrotreated to provide a process oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.