国家/地区 美国（5）
IPC部 B（5）
IPC大类 B01（5） B32（5） A41（2）
A62（2） C01（2） C08（2）
IPC小类 B01D（5）
IPC B32B005/02（5）
发明人
公开年 2021（2）
申请年 2021（2） 
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

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

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

Composite composition used in fabric like articles for e.g. garments, comprises nonwoven composite material containing graphene component and polymer component.

GREENWOOD W F, SALCE A, GREENWOOD W

Composite membrane for separation of e.g. gas comprises porous graphene layer; and porous support substrate that includes surface in contact with porous graphene layer, and includes thermo-formed polymer and woven/nonwoven fibrous membrane.

MILLER S A, DUERKSEN G L