国家/地区 美国（4）
IPC部 A（4）
IPC大类 A62（4）
IPC小类 A62B（4）
IPC B01D046/00（4） A41D013/11（3） A62B023/02（3）
C01B032/194（3） A62B023/00（2） B01D039/08（2）
B01D039/16（2） C08K003/04（2）
发明人 JANG B Z（2） ZHAMU A（2）
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人 NANOTEK INST.（2）

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

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

Ink useful for providing viral active or anti-microbial coating to substrate, comprises carrier, graphene or graphene oxide particles dispersed in carrier, and viral active or anti-microbial component adhered to graphene.

CHEN S W, DEVINE S, CHEN S, SANDWINTHROP C