Bio-lab, Inc.

James J Miller

Geoffrey A Brown

E LeRoy Lines

Mary L Lines

A method of treating water by adding to the water a shelf-stable composition of hydrogen peroxide and a polyquaternary ammonium compound, followed by intermittent treatment with chlorine-, bromine- or oxygen-releasing compounds.

Water treatment method

Methods for inhibiting microbial growth in aqueous systems by the use of synergistic mixtures comprising poly(hexamethylammonium) chloride and at least one compound selected from the group consisting of poly (iminoimidocarbonyliminoimidocarbonyliminohexamethylene hydrochloride ('PHMB') , dodecylguanidine hydrochloride ('DGH') and poly[oxyethylene (dimethylimino) ethylene-(dimethylimino) ethylene dichloride] ('PDED'). Antimicrobial compositions comprising the synergistic mixture and a carrier are also disclosed.

Synergistic antimicrobial compositions containing poly

Methods for inhibiting microbial growth in aqueous systems by the use of synergistic mixtures comprising poly(hexamethylammonium) chloride and at least one compound selected from the group consisting of poly(iminoimidocarbonyliminoimidocarbonyliminohexamethylene hydrochloride ('PHMB'), dodecylguanidine hydrochloride ('DGH') and poly[oxyethylene (dimethylimino) ethylene-(dimethylimino) ethylene dichloride] ('PDED'). Antimicrobial compositions comprising the synergistic mixture and a carrier are also disclosed.

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Norcross, GA, United States of America

James J Miller