Ex-situ reduction and dry passivation of noble metal catalysts
US7407909B2 · kind B2 · utility
2Cited by
1References
10Claims
0Family size
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Key dates
| Filing date | Sep 16, 2005 |
| Grant date | Aug 5, 2008 |
| Priority date | — |
| Expiry date | Mar 7, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J35/394
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of ex-situ activation and dry passivation of supported noble metal catalysts including the steps of reducing in the presence of hydrogen and dry passivation by cooling in an inert atmosphere and exposing to air or by filling the pores of the catalyst with a low sulfur oil before exposing to air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.