Separation of R-1233 from hydrogen fluoride
US9061958B2 · kind B2 · utility
1Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2014 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Apr 29, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D3/36
- WIPO fieldChemical engineering
- 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.