Thermally stable noble metal-containing zeolite catalyst
US5041401A · kind A · utility
14Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Mar 28, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J29/7415
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A zeolite catalyst composition having increased resistance to agglomeration and/or migration of its noble metal component at high temperatures and a method for preparing the catalyst composition are disclosed. The zeolite catalyst composition contains a non-framework multivalent metal oxide to stabilize the noble metal. The multivalent metal oxide, such as alumina, can be introduced into the zeolite component by diffusion, impregnation, ion-exchange, and/or calcination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.