SELF SANITIZING FACE MASKS AND METHOD OF MANUFACTURE
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United States of America Patent
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app pub date -
Jun 26, 2015
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Jun 1, 2007
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Abstract
A reusable facemask includes a filter layer of material adapted to trap particles having a size range of known contaminant particles; and a porous layer of material located adjacent to the filter layer and adapted to continually sanitize contaminant particles trapped by the filter layer and contaminant particles passing through the porous layer by releasing free ions of elements selected from the group consisting of silver and copper.
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