SILVER-COATED NANOFIBERS FABRICS FOR PATHOGEN REMOVAL FILTRATION
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United States of America Patent
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Issued Date -
Nov 20, 2014
app pub date -
May 17, 2013
filing date -
May 17, 2013
priority date (Note) -
Abandoned
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Abstract
The invention provides a novel method of preparing a filter media by thermally bonding silver-coated nanofiber fabrics to a dirt-retaining membrane, a chemical-retaining membrane, a pathogen-retaining membrane, or a combination thereof. The invention also relates to the use of silver-coated nanofiber fabric layer as a component of a microorganism-killing membrane in filter media for a liquid or air filtration system. The filter media of the invention offers efficient disinfection effects, maintaining a low pressure drop and a high flow rate when in use. Further, the filter media is adhesive-layer free and contains at least one thermal binding layer made of spunbonded nonwoven polymeric fabrics. The invention also features a water-purification cartridge and a portable water system thereof.
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