Azeotropic and azeotrope-like compositions with HCL and halocarbon
US5665266A · kind A · utility
3Cited by
15References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1995 |
| Grant date | Sep 9, 1997 |
| Priority date | — |
| Expiry date | Apr 11, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C19/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention discloses azeotropic or azeotrope-like compositions which include HCl that can be employed in a distillation or an extractive distillation process for separating HCl from pentafluoroethane, chloropentafluoroethane, chlorotrifluoroethane, trifluoromethane, and other fully saturated and unsaturated fluorocarbons, chlorofluorocarbons and chlorocarbons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.