Process for the purification of 1,1-difluoroethane

Details Process for the purification of 1,1-difluoroethane Process for the purification of 1,1-difluoroethane

1993-11-22

1995-03-07

Siegel, Alan

Textiles: braiding, netting, and lace making

C07C 1738

Patent

active

053960017

ABSTRACT:
Purification of crude 1,1-difluoroethane (HFA-152a) from vinyl chloride, by bringing into contact with an active carbon.

REFERENCES:
patent: 3862995 (1975-01-01), Martens et al.
patent: 4950816 (1990-08-01), Tung et al.

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