Oxidizing composition including a gel layer
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United States of America Patent
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app pub date -
Dec 22, 2009
filing date -
Mar 1, 2005
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Abandoned
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Abstract
A composition that generates and releases a biocidal solution comprising at least chlorine dioxide and free halogen is presented. The composition comprises reactants capable of in-situ generation of chlorine dioxide and free halogen donor, and a gelling agent that slows the rate of dissolution of the reactants, thereby increasing yield and providing a controlled release of biocidal solution. The compositions of the invention show improved environmental stability which can reduce the cost of packaging. The controlled release allows the use in multi-tablet chemical dispensers which may otherwise induce potentially explosive conditions or allow rapid release of the biocidal solution thereby inducing a spike in chemical concentration rather than a sustained release.
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