Troy Patents Water-Based Antimicrobial

June 1, 2010

Patent No. U.S. 7,652,048 B2
Troy Corporation has received a patent for a dispersion composition comprised of approximately 5-60 mass percent of an antimicrobially active material selected from the group consisting of 1,2-benzisothiazol-3(2H)-one; 2-octyl-2H-isothiazol-3-one; pyrithione zinc; 3-iodo-2-propynyl butylcarbamate; 2-methylthio-4-ethylamino-6-tert-butylamino-s-triazine; and 3-(4-isopropylphenyl)-1,1-dimethylurea, and mixtures thereof; approximately 0.1 to 5 mass percent of an acrylic graft copolymer having a poly(methyl methacrylate-methacrylic acid) backbone and polyethylene glycol side chains; approximately 0.1 to 5 mass percent of a tristyrylphenolethoxylate phosphoric ester or a salt or acid form thereof, having an average of approximately 50 to about 60 ethylene oxide units; and a water-based solvent.

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