Method of rectifying solvents of the chlorinated hydrocarbon ser

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260654S, C07C 2502

Patent

active

040803937

ABSTRACT:
A method for rectifying chlorinated hydrocarbon to removed therefrom substances which discolor or tarnish metals by contacting the chlorinated hydrocarbon with a compound which is an alkanolamine, morpholine, an N C.sub.1-8 alkyl morpholine, hexamethyleneimine or a mixture thereof and thereafter water washing the so contacted chlorinated hydrocarbon.

REFERENCES:
patent: 3647895 (1972-03-01), Fruhwirth et al.

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