Process for the separation of a mixture comprising at least one hydrofluoroalkane
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United States of America Patent
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May 29, 2007
Grant Date -
Jan 25, 2007
app pub date -
Jun 28, 2006
filing date -
Dec 18, 1998
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Abstract
Process for the separation of a mixture comprising at least one hydrofluoroalkane and hydrogen fluoride, according to which a hydrofluoroalkane/hydrogen fluoride mixture is reacted with at least one chlorinated or chlorofluorinated precursor of the hydrofluoroalkane. Process for the preparation of a hydrofluoroalkane comprising such a separation, in combination with a catalytic reaction stage. Azeotropic compositions.
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