Separation of R-1233 from hydrogen fluoride
US8735636B2 · kind B2 · utility
1Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2010 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Jun 11, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/09
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for separating monochloro-trifluoropropenes such as HCFC-1233 from azeotrope or azeotrope like combinations with HF. The process employs a cold, liquid phase separations and multiple azeotropic distillation trains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.