Perhalofluorinated butanes and hexanes
US6066768A · kind A · utility
26Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1996 |
| Grant date | May 23, 2000 |
| Priority date | — |
| Expiry date | Oct 25, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C19/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The instant invention relates to producing perhalofluorobutanes and perhalofluorohexanes, more particularly it relates to their production by utilizing tetrafluoroethylene (hereinafter referred to as "TFE") and chlorotrifluoro-ethylene (hereinafter referred to as "CTFE") with selected perhalofluoroethanes containing 2 to 4 nonfluorine halogen and 2 to 4 fluorine substituents in the presence of a polyvalent metal halide such as an aluminum chloride or chlorofluoride as catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.