Zeolite catalyst and preparation thereof
US4552856A · kind A · utility
23Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1983 |
| Grant date | Nov 12, 1985 |
| Priority date | — |
| Expiry date | Nov 10, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J29/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A catalyst which exhibits superior activity maintenance in dehydrocyclization reactions are defined as a type L zeolite having exchangeable cations of which at least 75% are selected from Group IA and calcium and barium cations and containing well dispersed particles of at least one Group VII noble metal the preparation of which involves contacting the zeolite substantially free of moisture with a solution of the noble metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.