C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/38 (2006.01) C07C 17/389 (2006.01)
Patent
CA 2067078
HOE 91/F 124 Abstract of the disclosure: Process for the purification of chlorofluorohydrocarbons The invention relates to a process for removing olefinic impurities from hydrogen-containing chlorofluorohydrocarbons (HCFCs) in which the contaminated HCFCs are passed in the gas phase at 200 to 400°C over a zeolite.
Fetherstonhaugh & Co.
Solvay (societe Anonyme)
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