国家/地区 中国（18） 韩国（16） 美国（9） 世界知识产权组织（8） 欧洲专利局（EPO）（5） 印度（5） 加拿大（4） 日本（4） 台湾（2）
IPC部 A（42）
IPC大类 A62（42） A41（27） B01（16）
A61（10） D06（7） C09（6）
A01（5） C01（5） C08（4）
B32（3） C02（2） C12（2）
D04（2） G01（2） G09（2）
IPC小类 A62B（42）
IPC A62B023/02（26） A41D013/11（23） A62B018/02（13）
A62B018/08（10） B01D039/16（8） A62B007/10（7）
A62B017/00（7） B01D039/08（6） B01D046/00（6）
A41D031/04（5） A41D031/30（5） A62B009/00（5）
A01N059/00（4） A41D027/00（4） A41D031/02（4）
发明人 SHIM B（3） CESAREO G G（2） JANG B Z（2）
JIN Y（2） JOUNG H（2） JUNG H S（2）
KA D（2） RIZZI L G（2） ZHAMU A（2）
公开年 2021（42）
申请年 2020（28）  2021（12）  2019（2） 
专利权人 AGENCY DEFEN.（3） SHIM B（3） DIRECTA PLUS.（2） NANOTEK INST.（2）

Breathing valve for mask, has power control assembly that is electrically connected to microporous atomizer, and graphene filter membrane is arranged on side of atomizer holder away from microporous atomizer.

CHEN Y

Graphene polymer filter comprises polyolefin resin and graphene powder which are mixed to have pores of certain size and porosity.

NAMKUNG D

Textile article, useful in a filter for personal health protection, comprises a textile substrate having specific bacterial filtration efficiency, where the textile article comprises graphene dispersed in a polymeric binder.

CESAREO G G, RIZZI L G

Increasing an electrical and/or thermal conductivity, as well as filtering power and germ-blocking properties of textile article by preparing impregnation composition consisting of graphene, polymeric binder and wetting agent, and stirring.

CESAREO G G, RIZZI L G

Producing selective permeable separation membrane, comprises e.g. preparing carbon material dispersion, forming carbon-based support by using carbon material, and forming a separation layer on carbon based support by modifying surface of separation layer.

CHO K M, JIN Y, KA D, JOUNG H

Nano-patterning graphene used in respiratory masks, by cleaning monolayer of graphene sheet, transferring graphene on silicon dioxide/silicon substrate, depositing metal film of silver or gold on substrate, annealing silver or gold nanoparticles and performing aqua-regia treatment.

KUMAR B

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

Multi-layered mask is useful for e.g. protecting against the aerosol transmission of COVID-19 comprises five layers characterized that first and last layers are made of e.g. cotton textile layers, natural fiber layers, and nanofibers layer.

SHIREESHA G, KARBARI S R, UTTARA K M, SUBRAMANYA K

Air filtration device for use in air purification system, has high efficiency particulate air (HEPA) filter media that comprises graphene oxide (GO) as antibacterial and antiviral material configured to inactivate trapped micro-organisms.

VOSKRESENSKA V, POLYAKOVA E, STOLYAROV D

Antibacterial heat insulation protective clothing, has antibacterial layer comprising graphene woven layer fixedly sewed on surface of phthalocyanine photosensitive antibacterial agent layer.

XIA Y