| 摘要 |
Process for the hydrofluorination of chloro(fluoro)butane of general formula C4H5ClxF5-x in which x=1 to 5, by means of hydrogen fluoride and in the presence of a catalyst chosen from the derivatives of metals of groups IIIa, IVa, IVb, Va, Vb and VIb of the Periodic Table of the elements.
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