国家/地区 中国（2） 日本（2） 美国（2）
IPC部 A（2）
IPC大类 A41（2）
IPC小类 A41D（2）
IPC C01B032/182（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

Manufacturing belt involves mixing graphene, non-ferrous metal, tourmaline, bentonite, pozzolan, mica, red clay, zeolite, magnesium oxide, terra alba, calcium and silica to obtain a mixture.

PARK S H, JUNG L H, PIAO X, ZHENG L