HF extraction of R365 from R141B
US5208398A · kind A · utility
8Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1992 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Apr 16, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Separation of a mixture of R365 and R141b by liquid-liquid extraction with HF.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.