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US 2021/0329988 A1Published application
Mask improvement
OwnerGerard Arrottiinventor
Life of this patent
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Abstract
According to some embodiments, a protective face mask to protect medical personnel by filtering exhaled air of infectious patients is disclosed. The protective face mask comprises a first layer, a second layer and a third layer. The second layer comprises a molecular sieve desiccant. The molecular sieve desiccant is between 0.1 cm and 10 cm thick.
Claims20
A protective face mask, comprising:
- a first layer;
- a second layer comprised of a molecular sieve desiccant;
- and
- a third layer.
1 more element
A respirator face mask cartridge, comprising:
- a molecular sieve desiccant;
- and
- a casing to hold the molecular sieve desiccant.
A protective face mask, comprising:
- a first layer;
- a second layer comprised of a molecular sieve desiccant;
- and
- a third layer wherein the second layer is disposed between the first layer and the third layer;
- and
- a one-way inhalation valve.
3 more elements
Dependencies are inferred from the claim text.