国家/地区 中国（46） 美国（7） 韩国（5） 欧洲专利局（EPO）（4） 世界知识产权组织（4） 加拿大（2）
IPC部 B（52） A（14） C（12）
D（6） F（5） H（4）
IPC大类 B01（52）
IPC小类 B01D（52）
IPC B01D046/00（52）
发明人 ZHANG Y（4） LI L（3） YANG J（3）
LI T（2） LIN Y（2） LIU S（2）
MENG H（2） PAN D（2） SU C（2）
WANG Q（2） WU J（2） XIE Z（2）
YANG Y（2） ZHANG H（2） ZHANG Z（2）
公开年 2021（38） 2020（12） 2022（2）
申请年 2020（52）
专利权人 CHONGQING FI.（2） GUANGDONG HE.（2） SHENZHEN HUA.（2） SHENZHEN QIA.（2）

Flexible composite film material for use in composite membrane roll material with air purification function, comprises base film, and functional coating compounded on base film, where functional coating includes activated carbon and graphene, gas absorbent, binder and solvent.

JIANG T, MA J, WANG S

Photocatalytic filter for removing contaminants, specifically VOCs, particularly aromatic components such as toluene in gaseous medium, such as indoor air, has porous first photocatalyst layer that is coated on nanorod array.

PARK J W, HASSAN A

Graphene air purifying and heating wallboard for indoor decoration, has electric heating layer that is orderly outwards set on front surface of fixing plate, and whose back surface corresponds to position of connecting concave head.

GU X, CHEN Z, PAN S, PAN Z, SHAO J

Polyacrylonitrile nanofibrous membranes for use as supplement of air purifier, comprises silver nanoparticles and graphene oxide as filler materials engineered into nanofibrous form incorporated in air filter masks.

PACKIRISAMY G, SADASIVAM R K, SHARMA A

Graphene carbon fiber purifying device, has frame whose outer side is fixedly installed with sealing sliding plate, where side surface of main box body is provided with air circulating device.

HE C, ZHANG N, ZHANG Y

Face mask e.g. surgical mask, comprises mask component for covering wearers mouth and nose and comprising air-permeable outer layer, inner layer and graphene layer, and fastener for connecting mask component to wearer.

JANG B Z, ZHAMU A

Folding plane mask i.e. sanitary product, for filtering inlet nose at mouth and nose part, has filter core comprising anti-far infrared radiation layer, where lower end of filter layer is fixedly connected with graphene filter layer.

YANG M

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

Graphene lubricating oil production preparation device comprises bracket, where one side of bracket is provided with connecting rod, where adjacent side wall of bracket and connecting rod is welded with connecting seat.

CHEN J

Graphene powder collecting device, has fixing frame slidingly connected with filter screen, where inner side of fixing frame is provided with filter cloth, and filter cloth is fixed and connected with fixing frame.

MENG X