Multilayer self-decontaminating coatings
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United States of America Patent
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Sep 16, 2014
Grant Date -
May 10, 2012
app pub date -
Sep 28, 2006
filing date -
Sep 30, 2005
priority date (Note) -
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Abstract
A layered construction for use in decontaminating a surface or enclosed space is described. The construction is an electrochemical cell which includes a cathode, an electrolyte layer, an anode and a protective surface layer. A precursor compound that can be electrically decomposed to release an oxidant, on demand and over an extended period of time, is included in the layered structure, preferably in the electrolyte layer. The oxidant compounds react with various different chemical or biological contaminants in contact the protective layer, thereby deactivating, destroying or devitalizing the contaminants. The layered construction is suitable for application to a device or substrate, or placement in an enclosed space, and can be used on sensitive surfaces such as electronic components and human skin.
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