国家/地区 中国（15） 美国（5） 世界知识产权组织（4） 欧洲专利局（EPO）（2）
IPC部 B（19）
IPC大类 B01（19）
IPC小类 B01D（19）
IPC B32B005/02（19）
发明人 LIU S（3） MA L（3） WANG Q（3）
ZHANG Z（2）
公开年 2021（8） 2022（3） 2016（2） 2018（2） 2020（2）
申请年 2021（8）  2020（5）  2016（2） 
专利权人 GUANGZHOU KA.（3）

Combination of nanoparticles applied onto mask filtration system for filtering airborne pollutants comprising PM2.5 and aerosolized virus particles of severe acute respiratory syndrome-coronavirus disease, comprises graphene, titanium dioxide, zinc oxide, copper oxide, silicon dioxide, and solvent.

NAG I

Nano-filtration membrane used in nanofiltration membrane component and water treatment device, comprises N-trimethoxy silicon propane ethylenediamine triacetate-type graphene layer, and support layer.

LI B, LI K

Glass fiber air filter material used for purifying air in automobiles, comprises modified nonwoven fabric and glass material fiber from bottom to top, formed into composite by hot-pressing.

ZHANG Z, JIA G, YANG P

Air filter cloth for air purifying device for filtering and purifying micro-particles in air, has adsorption layer composed of transverse first aramid filament and longitudinal second filament knitted with each other.

CAO W

Preparing virus-killing bone material, H11-level spraying cloth and graphene nonwoven fabric material comprises e.g. preparing anti-influenza virus H1N1 nonwoven fabric bone material, performing electrostatic spinning, preparing graphene nonwoven fabric and fixing ultrasonic wave hot melt adhesive.

LIU S, MA L, WANG Q

Preparing bonding material of virus-killing bone material, H12 grade melt blown cloth and graphene non-woven cloth comprises preparing graphene polypropylene spun bond non-woven fabric by in-situ polymerization, sequentially stacking anti-influenza virus H1N1 non-woven fabric, and fixing.

LIU S, MA L, WANG Q

Preparing composite material comprises useful e.g. for purifying air, combining one side of anti-influenza virus H1N1 non-woven fabric and graphene non-woven fabric, uniformly spraying hot melt glue, placing in a hot air oven, heating, and hot pressing pattern by hot pressing roller.

LIU S, MA L, WANG Q

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

Diatom cloth with antibacterial, purifying and humidifying function comprises diatom material, activated carbon, graphene, catalyst, pore-forming agent and cloth.

HAN F, DU Z

Formation of porous graphene layer used as semipermeable membrane, involves providing catalytically active substrate comprising copper-nickel alloy substrate, to catalyze graphene formation under chemical vapor deposition conditions.

CHOI K, PARK H G, HEIGHT M, CHOI K J, PARK H, PIAO H