国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 C01B（2）
IPC C02F001/28（2）
发明人
公开年
申请年 2021（2）
专利权人

Preparing magnetically reduced graphene oxide-based composite material used in field of oil-water separation, involves providing graphene oxide material, mixing oxidized graphene material, trivalent iron salt, amine compound and dispersing solvent uniformly to form graphene dispersion.

SHEN L, WANG G, ZENG Z, XU Y

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