MULTILAYER PROTECTIVE ANTIMICROBIAL MASK COMPRISING NANOFIBER MEMBRANE
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Mar 10, 2021
filing date -
Mar 10, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a multilayer protective mask having antimicrobial properties, said mask comprising a body portion comprising: at least a first and a second fabric layers having random fiber configuration; a middle layer comprising a nanofiber membrane; and a third and a fourth fabric layers. The first fabric layer is disposed between the third fabric layer and the nanofiber membrane, and the second fabric layer is disposed between the fourth fabric layer and the nanofiber membrane. The first, the second, the third, and the fourth fabric layers have incorporated therein a synergistic combination of at least two metal oxide powders, comprising a mixed oxidation state oxide of a first metal and a single oxidation state oxide of a second metal, said combination having synergistic antimicrobial properties.
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International Classification(s)
- A01P:BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT....
- A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
- D03D:WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D04B:KNITTING
- A41D:OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- D06M:TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
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