Benzoic acid containing composition for maintaining hydantoinylated polymers in a biocidally active state
AssigneeHalosource, Inc.
InventorsMichael A. Bridges, Hiroyuki Kawai, Christine M. Palczewski, James R. Scott
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Abstract
A tablet includes benzoic acid and trichloroisocyanuric acid. The tablet provides free available chlorine in water to maintain an N-halamine-containing polymer biocidal, without rendering the water undrinkable from high chlorine content. The tablet may be used in a water purification device having a cartridge containing an N-halamine polymer to provide safe drinking water.
Claims10
A tablet, comprising benzoic acid and trichloroisocyanuric acid.
A method for maintaining an N-halamine-containing polymer biocidal, comprising, contacting an N-halamine-containing polymer with water having a concentration of free available chlorine of less than 4 ppm (mg/L), wherein the free available chlorine is supplied by a tablet comprising benzoic acid and trichloroisocyanuric acid.
Dependencies are inferred from the claim text.