C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/386 (2006.01)
Patent
CA 2141657
L'invention concerne la purification du penta- fluoroéthane (F125) contenant du chloropentafluoroéthane (F115). Le mélange F125-F115 à purifier est soumis à une distillation extractive, l'agent d'extraction étant un alcane ou un cycloalcane en C5 à C8.
Bertocchio Rene
Lacues Philippe
Lantz Andre
Elf Atochem S.a.
Robic
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