国家/地区 美国（4）
IPC部 B（4）
IPC大类 B01（4） A62（3） C01（3）
A41（2） B32（2） C08（2）
IPC小类 B01D（4）
IPC B01D046/00（4）
发明人
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人

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

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

Reactor system useful for producing carbon agglomerates, comprises microwave energy source configured to generate microwave energy, field-enhancing waveguide, expansion chamber in fluid communication with constricted region and configured to expand plasma, and outlet.

TANNER D, COOK D, ANZELMO B H, KALLURI R, STOWELL M W