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Nanoscale Corporation

Thomas K Allen

Bret Lanz

Otto Carl Wilson

An antimicrobial composition comprising metal particles that may be silver, copper, or gold together with a surfactant such as benzalkonium chloride in a liquid medium, which is preferably deionized water, that will not react with the other constituents of the antimicrobial composition. Preferably, the composition also comprises a source of iodine, such as poly(vinyl pyrrolidone)-iodine complex. And a substrate carrier having the same type of metal as the particles deposited onto it may also be introduced into the liquid medium. The metal particles are preferably nanoparticles but may be in the micron size, in the submicron size, or bulk particles.

Antimicrobial composition

Metal oxide area decontamination apparatus () is provided which is designed for rapid, emergency situation decontamination of areas contaminated with potentially harmful or lethal chemical and/or biological warfare agents or other hazardous substances. The apparatus () preferably includes a pressurizable metallic container () equipped with a valve-type delivery nozzle assembly (), so that upon a manipulation of the assembly (), a spray of metal oxide and/or metal hydroxide particles is generated; the particles are selected and sized in order to destroy or chemisorb the contaminating agents. The preferred decontamination agent is MgO aggregated to an average aggregate size of from about 50 nm-10 microns. The particles are mixed with a gaseous or liquid propellant within the container () allowing rapid and thorough particle cleanout when the nozzle assembly () is actuated.

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Manhattan, KS, United States of America

Thomas K Allen