国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D046/00（4）
发明人
公开年 2015（2） 2016（2）
申请年 2015（4）
专利权人

Method for producing filter element that is utilized in e.g. air filter masks, involves dispersing graphite oxide in water, preparing aqueous graphene oxide solution and mixing with ethyl alcohol aqueous solution, followed by dispersing.

ZHANG Z, HAN L

Graphene composite filter screen, has filter screen main body overlap with primary filter layer, HEPA composite filter layer and graphite active coal composite filter layer and fixed with external packaging frame.

CHEN X, DI Y, LI H, LI Q, WU H

Filter screen for air purifier in vehicle, has resin frame placed in lay flat condition coal layer, and graphite layer and expand porous graphene layer covered with upper end cover and lower end cover seal.

AN Y, CHEN S, HAN J, RONG C, WEI X, ZHANG K

Graphene filtering exhaust fan has machine shell which is installed with blade and provided with filter mechanism which is included with front filter screen and rear filter screen, while setting active coal layer between filter screens.

YAN L