Distillation: processes – separatory – Addition of material to distilland to inhibit or prevent...
Patent
1985-01-04
1986-09-02
Bashore, S. Leon
Distillation: processes, separatory
Addition of material to distilland to inhibit or prevent...
203 67, 203 91, 202205, 564498, B01D 310, C07C 8700
Patent
active
046094369
ABSTRACT:
A process for decolorizing polyethylene polyamines using a chlorinated hydrocarbon. The discolored polyethylene polyamine and chlorinated hydrocarbon are contacted to form a decolorizing mixture, and the mixture is distilled. The decolored polyethylene polyamine is collected from the distillate.
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Bashore S. Leon
Bjork C. Kennth
Manoharan V.
Rudy Christopher John
The Dow Chemical Company
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