Preparation of 245fa
US6528691B1 · kind B1 · utility
3Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1999 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Jun 27, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2527/133
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A gas phase process for the preparation of 245fa is provided, wherein 1233zd is contacted with HF in the presence of a supported antimony catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.