Purification of pentafluroethane
US5892137A · kind A · utility
2Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1997 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Oct 3, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/389
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
To remove the traces of chlorotrifluoroethylene (F1113) which are present in a pentafluoroethane (F125), the F125 is passed through a bed of active carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.