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1. (WO2017066284) FILTERING FACE-PIECE RESPIRATOR INCLUDING FUNCTIONAL MATERIAL AND METHOD OF FORMING SAME

Pub. No.:    WO/2017/066284    International Application No.:    PCT/US2016/056586
Publication Date: Fri Apr 21 01:59:59 CEST 2017 International Filing Date: Thu Oct 13 01:59:59 CEST 2016
IPC: A62B 23/02
A41D 13/11
A62B 18/02
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.
VASILIEV, Evgeny
Title: FILTERING FACE-PIECE RESPIRATOR INCLUDING FUNCTIONAL MATERIAL AND METHOD OF FORMING SAME
Abstract:
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.