Promoted silver acatalyst preparation
US5646087A · kind A · utility
26Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1996 |
| Grant date | Jul 8, 1997 |
| Priority date | — |
| Expiry date | Jan 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A silver catalyst for ethylene oxidation to ethylene oxide is prepared by impregnating an inert support with a silver/amine solution as well as with various promoters and calcining the impregnated support at 300.degree.-500.degree. C., the catalyst being maintained under an inert atmosphere at temperatures of 250.degree. C. or higher, preferably at 100.degree. C. or higher.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.