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US 2023/0405371 A1Published application
Dual layered nanoparticle coated masks for efficient and cost-effective filtration of air pollutants and viruses
OwnerIshika Naginventor
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Abstract
A combination of nanoparticles applied onto the different layers of a mask filtration system, exemplarily including 1%-10% silicon dioxide on the outer layer of the mask and 1%-10% graphene; 1%-10% titanium dioxide; 1%-10% zinc oxide; 1%-10% copper oxide on the middle layer of the mask; and balance solvent is provided.
Claims10
A mask filtration system, comprising:
- an outer non-woven filtration layer-sized and configured to block human respiratory droplets and particles;
- a middle melt-blown filtration layer sized and configured for electrostatic filtration;
- an inner non-woven layer filtration sized and configured to absorb breathed vapor;
- and
- a plurality of nanoparticles applied onto the outer, middle or inner filtration layers.
2 more elements
Dependencies are inferred from the claim text.