国家/地区 台湾（2）
IPC部 A（2）
IPC大类 A62（2） B01（2）
IPC小类 A62B（2）
IPC
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

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