Process for the purification of 1,1-difluoroethane
US5396001A · kind A · utility
10Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 1993 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | Nov 22, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/389
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Purification of crude 1,1-difluoroethane (HFA-152a) from vinyl chloride, by bringing into contact with an active carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.