国家/地区 中国（3） 美国（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC B01D046/00（5）
发明人
公开年 2021（4）
申请年 2020（3）  2021（2） 
专利权人

Antistatic filter material useful in tangential flow compressed air filter device, comprises antistatic polymer, polytetrafluoroethylene resin, and graphene.

FAN Y, LI J

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

Ink useful for providing viral active or anti-microbial coating to substrate, comprises carrier, graphene or graphene oxide particles dispersed in carrier, and viral active or anti-microbial component adhered to graphene.

CHEN S W, DEVINE S, CHEN S, SANDWINTHROP C

Graphene polypropylene composite material for melt-blown cloth, comprises graphene material, electret material, hydrocarbon material which is liquid at normal temperature and polypropylene.

PAN D, XIE Z, ZHANG Y, ZHANG H

Graphene composite filter screen useful in e.g. air purification, comprises polyether polyol, toluene diisocyanate, graphene material, activated carbon powder, catalyst, foam stabilizer, surfactant and additive.

WANG Y, WANG C, LIU S