国家/地区 中国（2）
IPC部 A（3）
IPC大类 B01（3） A41（2）
IPC小类 B01D（3）
IPC B01D039/20（3）
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

Graphene cigarette filter tip, has cigarette fixing device whose bottom part is connected with graphene filtering device top part, where bottom part of graphene filter device is connected to filter tip device bottom part by inserting hole connecting piece.

YU Z, PAN D