C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/38 (2006.01) C07C 17/386 (2006.01)
Patent
CA 2124282
A purification process of pentafluoroethane from a crude pentafluoroethane containing chloropentafluoroethane as a by-product by extractive distillation using an extracting reagent having a standard boiling point of from -10°C to 100°C and being selected from paraffinic hydrocarbons, alcohols, ethers, esters, and ketones.
Nishimura Atsuo
Takahashi Reiji
Riches Mckenzie & Herbert Llp
Showa Denko K.k.
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