Title:
PROTECTIVE MASK, AIR FILTRATION ELEMENT AND AIR TREATMENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/160178
Kind Code:
A1
Abstract:
A layer for a protective mask (100a, 100b, 200a) comprises at least a first sublayer (122b, 218b), wherein the first sublayer (122b, 218b) includes a first substrate and a layer of a plurality of nanoparticles (124b, 7) of a nanomaterial provided on the first substrate. The protective mask (100a, 100b, 200a) includes an outer layer (120b, 230a) which is made of an organic fibular network bonded with nanomaterials. An air filtration element (900, 1070, 1240) for attenuation of airborne contaminants includes negatively charged nanodiamonds (920, 1320). A filter (1100, 1200, 1500, 1600) for an air conditioning system (1130, 1530) or an air purifier (1230, 1630) comprises the air filtration element (900, 1070, 1240). An air treatment element (1140,1300,1540,1640) comprises nanodiamonds (920,1320) including colour centers. The protective mask (100a, 100b, 200a), the air filtration element (900, 1070, 1240), the air treatment element (1140,1300,1540,1640) and the filter (1100, 1200, 1500, 1600) overcome or at least partially ameliorate some of the deficiencies as associated with those of the prior art.
Inventors:
YIU YAU CHUEN (CN)
CHENG JUAN (CN)
AU CHAK YEUNG (CN)
TANG WING CHI (CN)
KONG CHING TOM (CN)
HUI KOON CHUNG (CN)
CHENG JUAN (CN)
AU CHAK YEUNG (CN)
TANG WING CHI (CN)
KONG CHING TOM (CN)
HUI KOON CHUNG (CN)
Application Number:
PCT/CN2021/076615
Publication Date:
August 19, 2021
Filing Date:
February 11, 2021
Export Citation:
Assignee:
MASTER DYNAMIC LTD (CN)
International Classes:
A41D13/11; A62B9/06; A62B23/00
Domestic Patent References:
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| WO2013188651A1 | 2013-12-19 | |||
| WO2013188651A1 | 2013-12-19 |
Foreign References:
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Attorney, Agent or Firm:
CHINA SINDA INTELLECTUAL PROPERTY LIMITED (CN)
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