Metal oxide-containing kenyaite catalyst, method for preparing the same, and method for preparing ε-caprolactam using the same
US7232784B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Dec 23, 2004 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Jul 7, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J21/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed are a kenyaite catalyst containing a metal oxide between layers of a layered silicate having kenyaite structure, a method for preparing the same, and a method for preparing ε-caprolactam from cyclohexanone oxime by applying the catalyst to gas phase Beckmann rearrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.