Process for producing a high quality lube base stock in increased yield
US5171422A · kind A · utility
12Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1991 |
| Grant date | Dec 15, 1992 |
| Priority date | — |
| Expiry date | Jan 11, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process is provided for producing a high quality lubricating oil base stock in increased yield. The process includes a hydrocracking step employing a catalyst composition comprising a zeolite of the faujasite type, e.g., zeolite USY, possessisng a silica:alumina ratio of at least about 50:1, and a hydrogenation component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.