国家/地区 中国（5） 世界知识产权组织（5） 欧洲专利局（EPO）（3） 美国（3） 加拿大（2） 日本（2） 韩国（2） 台湾（2）
IPC部 A（9）
IPC大类 A62（9）
IPC小类 B01D（9）
IPC A62B023/02（5） B01D039/16（5） A41D013/11（4）
B01D039/08（4） B01D039/20（3） B01D046/00（3）
B01D067/00（2） D06M011/74（2）
发明人 CESAREO G G（2） RIZZI L G（2）
公开年 2021（9）
申请年 2021（9）
专利权人 DIRECTA PLUS.（2）

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

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

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

Electrospun polymer nanofibrous membrane having high filtration efficiency comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes.

SOLIMAN S, GUO F

Mask structure containing graphene meltblown nonwoven fabric, has graphene melt-blown non-woven layer that is interlaced with graphene piece and polypropylene resin piece.

WANG G S

Method for purifying gaseous unsymmetrical dimethylhydrazine, involves performing photocatalytic degradation of unsymmetrical dimethylhydrazine using silver bromide/titanium dioxide/reduced graphene aerogel under visible light condition.

JIA Y, HOU R, LV X, SHEN K, HUANG Y