Crosslinking agent for coated elastomeric articles

Publication Date

Patent Number

US7032251B2

Abstract

The invention provides a gas mask comprising a face piece including a transparent eye covering, and including a space to allow air to circulate around the nose and mouth of a wearer, and having an airtight seal to prevent contaminated air from entering the gas mask; a filtration apparatus containing an active stage and a passive stage, the passive stage for filtering out particles above a predetermined size, and including adsorbent media for removing toxic or harmful substances and fluids from the contaminated air, the active stage containing at least one agent to kill ambient bacteria and viruses; an intake vent permitting contaminated air to enter into the filtration system; at least one passageway connecting the filtration apparatus to the space around the nose and mouth of the wearer; and an exhalation port through which exhaled air may be expelled.

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