国家/地区 中国（3） 美国（2）
IPC部 A（5）
IPC大类 B01（5） B32（5） A61（3）
A41（2） A62（2） C08（2）
IPC小类 B01D（5）
IPC B32B005/02（5）
发明人
公开年 2021（2） 2022（2）
申请年 2021（5）
专利权人

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

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

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