Chlorine dioxide gel and associated methods

Details Chlorine dioxide gel and associated methods Chlorine dioxide gel and associated methods

2007-06-12

2007-06-12

Pak, John (Department: 1616)

Drug, bio-affecting and body treating compositions

Inorganic active ingredient containing

Elemental chlorine or elemental chlorine releasing inorganic...

C424S405000, C424S487000, C514S772200, C514S772300, C514S944000, C514S970000, C422S037000, C422S187000

Reexamination Certificate

active

10682728

ABSTRACT:
A method of making a composition having the property of being able to store chlorine dioxide includes mixing an aqueous chlorine dioxide solution with a superabsorbent, water-soluble polymer that is substantially unreactive with chlorine dioxide and permitting a mixture formed thereby to form one of a gel and a solid composition. A method of delivering chlorine dioxide includes providing a gel or solid composition as described and degelling the gel or dissolving the solid composition to dispense the chlorine dioxide therefrom. A method of disinfecting a target such as water, wastewater, or a surface comprises delivering chlorine dioxide as above and permitting the polymer to precipitate out of the mixture. Aqueous chlorine dioxide is then recovered and applied to the target.

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Kirk-Othmer Encyclopedia of Chemical Technology, John Wiley & Sons, New York, 4th ed., vol. 5, 1993, pp. 969-970, 989-991.

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