Liquid shield visor for a surgical mask

Publication Date

Patent Number

US5383450A

Abstract

A method for protecting an exposed surface in an enclosed space, such as a building, medical room, manufacturing space or consultation room, from harmful airborne agents. Airborne agents are charged by exposure to an electrostatically-charged cloud and an electrostatically-charged field is created for electrostatically manipulating the harmful airborne agent away from or toward the exposed surface for protecting the exposed surface from the harmful airborne agent. The harmful airborne agent may be collected on a charged surface, and destroyed by ultraviolet light.

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