Tin substitution into zeolite frameworks
US4933161A · kind A · utility
13Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1989 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Jan 31, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/21
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to novel zeolitic compositions having tin substituted into the framework positions and a method for their preparation. The process of preparation more specifically involves hydrothermally treating aluminosilicate silica zeolite in the presence of tin compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.