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US 2023/0129150 A1Published application
Respirator face masks for protection from airborne particles
AssigneeEncellin, Inc.
InventorsCrystal NYITRAY, Grace WEI
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Abstract
The present disclosure provides a filtration media for filtering one or more airborne particles. The filtration media may comprise a membrane comprising one or more polymeric layers to filter the airborne particles. The filtration media may have high filtration efficiency and high breathability. Additionally, the present disclosure provides devices (e.g., face masks) comprising the filtration media which may be used to filter airborne particles (e.g., bacteria, viruses) and to protect the wearer (e.g., from infection).
Claims36
A filtration media comprising:
- a membrane comprising one or more polymeric layers configured to filter one or more particles, wherein the membrane comprises a plurality of pores having an average diameter of at most about 175 μm (micrometers),
- wherein the membrane provides a filtration efficiency of at least about 65%, and
- wherein the membrane exhibits a delta P of at most about 5 mm H2O/cm2.
A mask for filtering one or more airborne particles, comprising:
- a membrane comprising one or more polymeric layers configured to filter one or more particles, wherein the one or more polymeric layers comprise polycaprolactone, wherein the membrane comprises a plurality of pores;
- and
- at least one securement member for securing the membrane to a subject or an object.
Dependencies are inferred from the claim text.