Generation of microbiocide inside a package utilizing a controlled gas composition

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United States of America Patent

PATENT NO 9750833
SERIAL NO

15227658

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Abstract

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An apparatus and method of producing an atmospheric non-equilibrium plasma (ANEP) in a sealed container having a selected working gas and an object to be treated is described. A variety of working gas mixtures including air, O2, N2, CO2, He and Ar, in combination with a range of ionization gradients, voltages and ANEP column lengths was investigated so as to establish effective ranges of the variables using the sterilization of a sample as a measure of effectiveness. Certain combinations of working gas, voltage gradient, voltage or ANEP column length were found to have greater effectiveness. The approach may be used for food products, medical equipment, or other objects where treatment with reactive gas atmospheres is effective.

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Patent Owner(s)

Patent OwnerAddress
PURDUE RESEARCH FOUNDATIONWEST LAFAYETTE IN 47906

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jensen, Jeanette L Oxford, US 3 25
Keener, Kevin M Attica, US 10 64

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