国家/地区 韩国（7） 中国（6） 世界知识产权组织（6） 美国（5） 欧洲专利局（EPO）（4） 加拿大（3） 日本（3） 印度（2） 台湾（2）
IPC部 A（18）
IPC大类 A62（18）
IPC小类 B01D（18）
IPC A62B023/02（10） A41D013/11（9） B01D039/16（8）
B01D039/08（6） B01D046/00（6） A62B018/02（4）
B01D039/20（4） D06M011/83（4） C01B032/194（3）
C08K003/04（3） D06M011/74（3） A41D031/30（2）
A62B017/00（2） A62B018/08（2） A62B023/00（2）
发明人 CESAREO G G（2） JANG B Z（2） JIN Y（2）
KA D（2） RIZZI L G（2） ZHAMU A（2）
公开年 2021（18）
申请年 2021（9）  2020（8） 
专利权人 AGENCY DEFEN.（2） DIRECTA PLUS.（2） NANOTEK INST.（2）

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

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

Polyacrylonitrile nanofibrous membranes for use as supplement of air purifier, comprises silver nanoparticles and graphene oxide as filler materials engineered into nanofibrous form incorporated in air filter masks.

PACKIRISAMY G, SADASIVAM R K, SHARMA A

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Face mask e.g. surgical mask, comprises mask component for covering wearers mouth and nose and comprising air-permeable outer layer, inner layer and graphene layer, and fastener for connecting mask component to wearer.

JANG B Z, ZHAMU A