Distillation: processes – separatory – Adding material to distilland except water or steam per se – At least two materials
Patent
1993-04-30
1995-06-06
Bascomb, Jr., Wilbur
Distillation: processes, separatory
Adding material to distilland except water or steam per se
At least two materials
203 67, 203 91, 95182, 95237, 252 2, 252 67, 423488, 570134, 570178, B01D 340, C01B 707, C07C 1738
Patent
active
054219647
ABSTRACT:
The present invention discloses an extractive distillation process for separating HCl from pentafluoroethane, chloropentafluoroethane, chlorotrifluoroethane, trifluoromethane, and other fully saturated and unsaturated fluorocarbons, chlorofluorocarbons and chlorocarbons.
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Felix Vinci M.
Mahler Barry A.
Miller Ralph N.
Bascomb, Jr. Wilbur
Boyer Michael K.
E. I. Du Pont de Nemours and Company
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