Catalyst for reducing formation of chlorinated dioxins in manufa

Details Catalyst for reducing formation of chlorinated dioxins in manufa Catalyst for reducing formation of chlorinated dioxins in manufa

1981-06-22

1983-08-23

Lone, Werren B.

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

Organic compounds

Oxygen containing

568774, 568779, 260429R, 252441, C07C 3926

Patent

active

044005563

ABSTRACT:
The invention covers the use of novel co-catalysts as inhibitors that reduce the formation of undesirable chlorinated dioxins during the preparation of pentachlorophenol and tetrachlorophenol from phenol or lower chlorinated phenols.

REFERENCES:
patent: 3816268 (1974-06-01), Watson
patent: 3909365 (1975-09-01), Christena
patent: 4012304 (1977-03-01), Marek et al.
patent: 4016047 (1977-04-01), Christena
patent: 4160114 (1979-07-01), Shelton et al.
patent: 4228309 (1980-10-01), Hatcher
patent: 4232138 (1980-11-01), Boune
patent: 4245127 (1981-01-01), Matsumoto et al.
patent: 4294996 (1981-10-01), Wetzel et al.

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