Oxidizing composition including a gel layer
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United States of America Patent
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app pub date -
Feb 26, 2009
filing date -
Mar 1, 2005
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Abstract
A composition that generates and releases a biocidal solution comprising at least chlorine dioxide and hypobromous acid is presented. The composition comprises reactants capable of in-situ generation of chlorine dioxide and hypobromous acid, and a gelling agent that slows the rate of dissolution of the reactants, thereby increasing yield and providing a sustained release of biocidal solution. The chemical reaction is triggered when the reactants are contacted by a main solvent (e.g., water). Upon being exposed to the main solvent, the gelling agent forms a gelatinous structure that creates a chamber within the composition enclosing some of the reactants such that the in-situ generation takes place in the chamber. The gelatinous structure contributes to the high yield of the target product (e.g., chlorine dioxide) and its controlled release.
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