Bonded adsorbent structures and respirators incorporating same
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United States of America Patent
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Jul 23, 1991
Issued Date -
N/A
app pub date -
Jun 8, 1989
filing date -
Aug 28, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Shaped porous filtering structures of substantially uniform thickness and density particularly suited for filtration of gases and vapors comprising spaced adsorbent granules unified into a solid, self-sustaining, unitary, impact-resistant body by adherent binder particles. Respirators incorporating such structures as the gas and vapor filtration elements and methods for making the shaped porous filtering structures are disclosed.
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