Hydrorefining process for production of base oils
US5855767A · kind A · utility
10Cited by
70References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1994 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Sep 26, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G65/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for saturating aromatics in a lube range hydrocarbon is disclosed. The process can be used to raise the viscosity index of the lube range products. The process is carried out over a noble metal catalyst under mild process conditions. The catalyst is resistant to sulfur and nitrogen compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.