Modified zeolite
US4668649A · kind A · utility
5Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Feb 5, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J35/66
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
As modified zeolite is disclosed here wherein the volume occupied by pores having a diameter ranging from 50 .ANG. to 600 .ANG. measured by the nitrogen gas absorption method is 30% or more of the volume occupied by pores having a diameter ranging from 0 to 600 .ANG.. The catalyst containing this modified zeolite is suitably used especially in hydroprocessing heavy hydrocarbon oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.