Perhalofluorinated butanes and hexanes
AssigneeE. I. Du Pont de Nemours and Company
InventorsMario Joseph Nappa, Allen Capron Sievert
Life of this patent
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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.
Claims4
A composition of matter consisting essentially of at least one member from the group consisting of C.sub.2 Cl.sub.5 C.sub.2 F.sub.5, CF.sub.3 CCl.sub.2 CF.sub.2 CClF.sub.2, CClF.sub.2 CF.sub.2 CCl.sub.2 CCl.sub.2 C.sub.2 F.sub.5, C.sub.2 F.sub.5 CCl.sub.2 CCl.sub.2 C.sub.2 F.sub.5, CHF.sub.2 CH.sub.2 CH.sub.2 CF.sub.3, CHF.sub.2 CH.sub.2 CHFCF.sub.3, CHF.sub.2 CH.sub.2 C.sub.2 F.sub.5, and CHF.sub.2 CF.sub.2 CH.sub.2 CH.sub.2 C.sub.2 F.sub.5.
A composition consisting essentially of a mixture of C.sub.6 Cl.sub.4 F.sub.10 and C.sub.6 Cl.sub.5 F.sub.9.
A composition consisting essentially of at least one of member of the group consisting of CF.sub.3 CCl.sub.2 CF.sub.2 CClF.sub.2, CHF.sub.2 CH.sub.2 CH.sub.2 CF.sub.3, CHF.sub.2 CH.sub.2 CHFCF.sub.3, CHF.sub.2 CH.sub.2 C.sub.2 F.sub.5, and CHF.sub.2 CF.sub.2 CH.sub.2 CH.sub.2 C.sub.2 F.sub.5.
Dependencies are inferred from the claim text.