Regeneration of catalysts for gas phase fluorination
US5880049A · kind A · utility
12Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Mar 28, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In order to regenerate the activity of a catalyst for gas phase fluorination the spent catalyst is treated with chlorine and hydrogen fluoride, at a temperature of between 250.degree. and 450.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.