Method of removing chlorinated phenol impurities

Details Method of removing chlorinated phenol impurities Method of removing chlorinated phenol impurities

1979-03-01

1981-07-21

Lone, Werren B.

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

Organic compounds

Oxygen containing

568725, C07C 3770, C07C 3926

Patent

active

042800129

ABSTRACT:
A method of removing an impurity of the group chlorinated dibenzo-p-dioxins, chlorinated dibenzofurans, chlorinated hydroxydiphenylethers and chlorinated diphenylethers from a substance containing the same which comprises contacting said substance with an agent which is hydrazine, acetylene, an acetylene derivative or a compound which under the processing conditions is a source of hydrazine or acetylene.

REFERENCES:
patent: 2829175 (1958-04-01), Bowman et al.
patent: 3816268 (1974-06-01), Watson et al.
patent: 3909365 (1975-09-01), Christena
patent: 4016047 (1977-04-01), Christena

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