Process for producing 1,1,1,2,3,3,3,-heptafluoroprane
US5780691A · kind A · utility
1Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Dec 23, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides a process for production of 1,1,1,2,3,3,3-heptafluoropropane, HFC-227ea. In particular, the invention provides an inexpensive process for producing HFC-227ea in good yield by reacting 1,1,1,3,3,3-hexafluoropropane, HFC-236fa, with elemental fluorine in an inert gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.