Process for separation of 1,1-difluoroethane from its mixture with hydrogen fluoride
US5626725A · kind A · utility
12Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1995 |
| Grant date | May 6, 1997 |
| Priority date | — |
| Expiry date | Apr 10, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for separating 1,1-difluoroethane from its mixtures with hydrogen fluoride, in which the mixture is subjected to a distillation in a column operating at a pressure of less than 10 bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.