国家/地区 台湾（2）
IPC部 B（2）
IPC大类 B01（2） C08（2）
IPC小类 B01D（2）
IPC C08K003/04（2）
发明人
公开年 2021（2）
申请年
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

Preparing graphene-containing mixed film, comprises e.g. using strong oxidant to oxidize layered graphite powder to form layered graphene oxide with carbonyl, carboxyl and epoxy groups, and mixing Dimethylformamide and graphene oxide.

LIN C, LIU T, CHUANG Y, WEI H, HSU N