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US 5,269,294 AGranted
Face mask impregnated with odor reducing molecular sieve material
AssigneeWallace J. Rogozinski
InventorWallace J. Rogozinski
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Abstract
An isolation/surgical face mask is treated with an odor absorbing, crystalline, siliceous molecular sieve material in order to reduce gaseous foul odors related to the biological, chemical or microbial decomposition of organic matter beyond the threshold of human sensory perception.
Claims4
An odor reducing mask comprising,
- a layer of porous material impregnated with an odor absorbing material,
- said odor absorbing material comprises a 10% to 50% concentration of an organic molecular sieve,
- said odor absorbing material is formed of a chemically modified molecular sieve formed of a composition of zeolites,
- a support layer mounted to said layer of porous material in order to provide support therefor,
- said support layer is formed in the shape of a cone thereby to provide a face mask to cover the nose and mouth of a wearer, and
- attaching means joined to at least one layer of said mask in order to selectively mount said mask to a wearer.
3 more elements
Dependencies are inferred from the claim text.