国家/地区 美国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC C02F001/28（2）
发明人
公开年
申请年
专利权人

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

Graphene-iron oxide complex, useful in purification filter for removal of heavy metals, comprises graphene and needle-like iron oxide nanoparticles grown on surface of the graphene.

KOO H Y, CHOI W S, KIM J K, YEONG G H, SAN CHOI W, GYEONG K J