Process for preparing perhaloethers from perhaloolefins and new perhaloethers so obtained
US5648560A · kind A · utility
4Cited by
20References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 9, 1994 |
| Grant date | Jul 15, 1997 |
| Priority date | — |
| Expiry date | Dec 9, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C43/126
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing perhaloethers from perhaloolefins by reacting at least one fluorooxy compound R.sub.x --OF, wherein R.sub.x is a perhaloalkyl radical, with a perfluoroolefin in a liquid phase, optionally containing an organic solvent inert to the perfluoroolefin, while maintaining the temperature of the liquid phase in the range of -30.degree. to -120.degree. C. The process includes continuously feeding to the liquid phase a stream of an inert gas and a gaseous stream of the fluorooxy compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.