Introduction of mesoporosity into low silica zeolites
US9580329B2 · kind B2 · utility
3Cited by
158References
24Claims
0Family size
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Inventors
Key dates
| Filing date | Jan 14, 2013 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Apr 30, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/0018
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Mesoporous X and A zeolites and methods for production thereof are disclosed herein. Such mesoporous zeolites can be prepared by contacting an initial zeolite with an acid in conjunction with a mesopore forming agent. The initial zeolite can have a framework silicon-to-aluminum content in the range of from about 1 to about 2.5. Additionally, such mesoporous zeolites can have a total 20 to 135 Å diameter mesopore volume of at least 0.05 cc/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.