国家/地区
IPC部 A（2）
IPC大类 A62（2）
IPC小类 A62B（2）
IPC
发明人
公开年
申请年 2021（2）
专利权人

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M

Mask structure containing graphene meltblown nonwoven fabric, has graphene melt-blown non-woven layer that is interlaced with graphene piece and polypropylene resin piece.

WANG G S