US 11,723,421 B2
System and method for absorbing moisture within a face mask
Charlie Han, Morris Plains, NJ (US); Kevin Lu, Morris Plains, NJ (US); Robin Xiang, Morris Plains, NJ (US); and Jerry Shen, Morris Plains, NJ (US)
Assigned to HONEYWELL INTERNATIONAL INC., Charlotte, NC (US)
Appl. No. 16/765,985
Filed by HONEYWELL INTERNATIONAL INC., Morris Plains, NJ (US)
PCT Filed Nov. 23, 2017, PCT No. PCT/CN2017/112579
§ 371(c)(1), (2) Date May 21, 2020,
PCT Pub. No. WO2019/100285, PCT Pub. Date May 31, 2019.
Prior Publication US 2020/0359717 A1, Nov. 19, 2020
Int. Cl. A41D 31/10 (2019.01); A41D 13/11 (2006.01); A41D 31/12 (2019.01); A41D 31/30 (2019.01); A62B 23/02 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01)
CPC A41D 13/1192 (2013.01) [A41D 31/10 (2019.02); A41D 31/12 (2019.02); A41D 31/305 (2019.02); A62B 23/025 (2013.01); B32B 5/022 (2013.01); B32B 5/26 (2013.01); A41D 2500/30 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0284 (2013.01); B32B 2307/726 (2013.01); B32B 2571/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A face mask comprising:
at least one layer of filtration material configured to filter one or more harmful substances from air breathed by a user;
at least one layer of absorbent material configured to absorb moisture exhaled by the user; and
at least one layer of waterproof material located between the at least one layer of filtration material and the at least one layer of absorbent material configured to prevent moisture from the at least one layer of absorbent material from contacting the at least one layer of filtration material, wherein:
the at least one layer of absorbent material and the at least one layer of waterproof material each span the entire inner surface area of the mask;
the mask is configured to allow air to pass through the at least one layer of filtration material and the at least one layer of absorbent material; and
the at least one layer of absorbent material comprises super absorbent fibers.