Catalyst composition dewaxing of lubricating oils
US4601993A · kind A · utility
44Cited by
15References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1984 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Oct 17, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J29/80
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Hydrocarbon lubricating oil feedstocks are dewaxed by passing the waxy feedstock over a catalyst bed containing a mixture of medium pore zeolite and large pore zeolite catalysts havig 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.