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|1. (WO2017066284) FILTERING FACE-PIECE RESPIRATOR INCLUDING FUNCTIONAL MATERIAL AND METHOD OF FORMING SAME|
|Applicants:||3M INNOVATIVE PROPERTIES COMPANY
|Inventors:||ABDULQADER, Reyad A.
DODDS, Shawn C.
GILMAN, Ann M.
GROTH, Austin D.
HENDERSON, Christopher P.
MAANUM, Derek M.
PALAIKIS, Liana V.
RAKOW, Neal A.
SMITH, Simon J.
|Title:||FILTERING FACE-PIECE RESPIRATOR INCLUDING FUNCTIONAL MATERIAL AND METHOD OF FORMING SAME|
Various embodiments of a filtering face-piece respirator and method of forming such respirator are disclosed. In one or more embodiments, the respirator can include a mask body that includes a first cover web, a second cover web, and filter media disposed between the first cover web and the second cover web. The mask body can also include functional material disposed in a filter region of the mask body, where the functional material can include active particles disposed on an adhesive layer; and a perimeter seal region that defines at least a portion of a perimeter of the mask body. At least two of the first cover web, second cover web, and filter media are connected together in the perimeter seal region. In one or more embodiments, the functional material is not disposed in at least a portion of the perimeter seal region.