Process for the manufacture of pentafluoroethane

Details Process for the manufacture of pentafluoroethane Process for the manufacture of pentafluoroethane

2006-11-30

2011-11-15

Katakam, Sudhakar (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C570S161000, C570S164000, C570S165000, C570S169000

Reexamination Certificate

active

08058487

ABSTRACT:
The present invention relates to a continuous process for the fluorination of perchloroethylene (PER) in the gas phase in a single stage with hydrofluoric acid (HF) in the presence of a catalyst to give, as major product, pentafluoroethane. The process is characterized in that it is carried out at a temperature of between 280 and 430° C. and with an HF/PER molar ratio of greater than or equal to 20.

REFERENCES:
patent: 5300711 (1994-04-01), Corbin et al.
patent: 5545778 (1996-08-01), Tung et al.
patent: 5962753 (1999-10-01), Shields et al.
patent: 6011185 (2000-01-01), Yoshimura et al.
patent: 6049016 (2000-04-01), Yoshimura et al.
patent: 6433233 (2002-08-01), Kanemura et al.
patent: 6503865 (2003-01-01), Kanemura et al.
patent: 7074973 (2006-07-01), Nappa et al.

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