Hydrogen fluoride recovery process
US6555086B2 · kind B2 · utility
3Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1999 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Oct 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/21
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Processes for separating and recovering hydrogen fluoride from a gaseous mixture of an organic compound and hydrogen fluoride are disclosed. The processes include contacting the gaseous mixture with a solution of an alkali metal fluoride in hydrogen fluoride, separating a gas phase depleted in hydrogen fluoride and containing the organic compound from a liquid phase, and recovering hydrogen fluoride from the liquid phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.