Low phosphorus chabazites
US9878316B2 · kind B2 · utility
1Cited by
1References
10Claims
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Key dates
| Filing date | Jan 8, 2016 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | Apr 17, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst washcoat is provided having a molecular sieve with a CHA crystal structure; about 0.5 to about 5.0 mol % phosphorus; and SiO2 and Al2O3 in a mole ratio of about 5 to about 40. The washcoat includes one or more promoters or stabilizers, and may be applied to a monolith substrate to produce a catalytically active article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.