Patent ID: 6852340

Claim:
A biocide concentrate composition for use in hard water, and in the presence of organic matter, consisting of: a.) a surfactant for complexing or stabilizing iodine; b.) a biocidal amount of at least about 0.1% iodine complexed by the surfactant and by at least about 0.01% hydriodic acid complexed by the surfactant; c.) at least about 10% propionic acid, or propionates, or their salts and esters with ambient NH 3 from fermenting litter and manure to form ammonium propionate; d.) acidifiers to adjust the composition pH to within the acid range of about −2 to 3; e.) at least about 5% of propylene glycol; and, f.) at least about 1% of a buffer, all parts by weight.