Method of preparing water free isothiazolone

Details Method of preparing water free isothiazolone Method of preparing water free isothiazolone

1998-06-16

2000-06-06

Stockton, Laura L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D27503

Patent

active

060720565

ABSTRACT:
A method of preparing water free isothiazolone having the steps of obtaining an extract from an aqueous solution containing isothiazolone by using a halogenationed hydrocarbon or nitrated hydrocarbon, removing the halogenationed hydrocarbon or nitrated hydrocarbon from the extract, and adding a organic solvent such as glycol, alcohol and glycol ether provides a water free isothiazolone having a high stability without forming wastes and harmful gas.

REFERENCES:
patent: 3870795 (1975-03-01), Miller et al.
patent: 4067878 (1978-01-01), Miller et al.
patent: 5068344 (1991-11-01), Petigara et al.
patent: 5466818 (1995-11-01), Petigara et al.

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