国家/地区 中国（2）
IPC部 A（3） B（3）
IPC大类 A41（3）
IPC小类 A41D（3）
IPC A41D013/11（3） A41D031/30（2） B01D039/16（2）
B01D039/20（2）
发明人
公开年 2022（3）
申请年 2022（3）
专利权人

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

Preparing renewable antibacterial effect degradable nanofiber mask filter core comprises preparing graphene oxide-halamine composite antibacterial nanofiber membrane, and combining with substrate prepared from polylactic acid ultra-diluted spinning solution, and ultrasonic compounding.

HE J, SHAO W, LI X, ZHANG J, SU X, LI B, ZHAO X

Antiviral protective mask comprises filter bag provided with filter layer, absorbing layer, protective layer and skin-friendly layer from outside in sequence, and anti-virus bag provided between absorbing layer and protective layer.

WAN L, ZHAO Z, XIE C, TANG J