国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） F24（4） A01（2）
A61（2）
IPC小类 B01D（4）
IPC F24F008/30（4）
发明人 ZHANG Y（2）
公开年 2021（3）
申请年 2021（2） 
专利权人

Photocatalytic material used in photocatalytic air epidemic prevention filter, comprises activated carbon, titanium dioxide, zinc oxide, graphene, tourmaline powder, nano-copper solution, carvacrol and deionized water.

HU M, FENG G, ZENG H

Air purifying device for separating materials from air flow, has collector plates arranged downstream of set of ionization needles, where device generates ionization corona discharge by positive ionization voltage led to needles.

TULKKI J, JUHANI T, SKOGSTER N, MAKKONEN P

Air purifier comprises graphene, calcium hypochlorite, silver ion antibacterial liquid, negative oxygen ion stock solution and water.

ZHANG Y

Air purifying filter core comprises orderly laminated dust filtering layer, nano-silver ion antibacterial net, graphene filter layer and graphene modified active carbon filter layer, where graphene filter layer comprises graphene coating.

ZHANG H, CAI H, XIE Z, PAN D, ZHANG Y