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US 5,208,398 AGranted
HF extraction of R365 from R141B
AssigneeElf Atochem N.A., Inc.
InventorJohn A. Wismer
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Abstract
Separation of a mixture of R365 and R141b by liquid-liquid extraction with HF.
Claims2
A method of separating a mixture containing 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-1-fluoroethane comprising liquid-liquid extraction of said mixture with hydrofluoric acid.
Dependencies are inferred from the claim text.