Distillate dewaxing process with mixed zeolites
US4767522A · kind A · utility
7Cited by
23References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 6, 1987 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Jul 6, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2229/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Waxy distillate feedstocks are dewaxed by passing the waxy feedstock over a catalyst bed containing a mixture of medium pore zeolite and large pore zeolites having a Constraint Index less than 2 and having hydroisomerization activity in the presence of a hydrogenation component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.