Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1980-02-21
1981-03-10
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 3932, C07C 3934, C07C 3936
Patent
active
042555930
ABSTRACT:
In the process for the manufacture of salts of halogenated phenols the economy is improved and health and pollution hazards are reduced by mixing an alkaline agent and the halogenated phenol with a small amount of a liquid medium that is solvent for the alkaline agent, conducting a reaction between the components in a closed system until a dry or almost dry product is obtained, agitating the mixture during at least a part of the liquid medium removal step and discharging the product in particulate form from the closed system.
REFERENCES:
patent: 1991329 (1935-02-01), Mills
patent: 2131259 (1938-09-01), Stoesser
patent: 2188944 (1940-02-01), Fox et al.
patent: 2818425 (1957-12-01), Heywood
patent: 2833830 (1958-05-01), Rigterink
patent: 3320325 (1967-05-01), Widiger et al.
patent: 3333020 (1967-07-01), Howald
Chapman Chemical Company
Evans Joseph E.
Philpitt Fred
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