Phosphorus zeolites/molecular sieves
US5378670A · kind A · utility
42Cited by
21References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Apr 16, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J29/82
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Catalytically active phosphorus-containing zeolites/molecular sieves, particularly ultrastable zeolite Y, are prepared by reacting an exchanged zeolite/molecular sieve with a phosphorus compound such as H.sub.3 PO.sub.4, steaming, and reacting the steamed product with additional phosphorus compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.