Multi-stage wax hydrocrackinig
US4994170A · kind A · utility
7Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1988 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Dec 8, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G65/043
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for hydrodewaxing a petroleum or shale oil fraction, e.g., petroleum distillate, over a shape selective zeolite in the presence of hydrogen wherein the dewaxing is conducted in at least two stages, with some of the hydrogen added to first stage effluent. Dewaxed feed, and a high octane gasoline byproduct are obtained as products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.