国家/地区 中国（13） 世界知识产权组织（5） 日本（4） 美国（3）
IPC部 B（19） A（9） C（6）
D（5） G（2）
IPC大类 B01（19）
IPC小类 B01D（19）
IPC B32B009/00（9） B32B005/02（8） B32B009/04（8）
B01D046/00（7） B32B027/32（6） B32B037/06（6）
B01D069/12（5） B32B005/26（5） B32B027/02（5）
A41D013/11（4） B01D039/14（4） B01D071/02（4）
B32B027/12（4） B32B037/10（4） B32B037/12（4）
发明人 LIU S（3） MA L（3） WANG Q（3）
公开年 2021（10） 2022（8）
申请年 2021（19）
专利权人 GUANGZHOU KA.（3）

Combination of nanoparticles applied onto mask filtration system for filtering airborne pollutants comprising PM2.5 and aerosolized virus particles of severe acute respiratory syndrome-coronavirus disease, comprises graphene, titanium dioxide, zinc oxide, copper oxide, silicon dioxide, and solvent.

NAG I

Separation membrane used for separating substances from mixed liquids and gases for dehydration, has porous support, and separation layer formed on porous support and containing nanomaterial and organosilica having silsesquioxane structure.

TSURU T, KANESASHI M, NAGASAWA H

Separation membrane has support having water permeability, matrix layer supported by support and having holes, and graphene layer including graphene material supported by matrix layer and including graphene and/or graphene oxide, and having another holes overlapping holes.

HIROTAKA S, YASUHIKO T, MOTOYUKI H, MASASHI M, SAKUMA H, TADA Y, HIROOKA M, MARUYAMA M

Mask for use in respiratory protection for various diseases, has mask body that covers user's mouth and nose when worn by user, and wearing strap that is connected to both sides of mask body.

PARK S A

Glass fiber air filter material used for purifying air in automobiles, comprises modified nonwoven fabric and glass material fiber from bottom to top, formed into composite by hot-pressing.

ZHANG Z, JIA G, YANG P

Sanitizing device used to purify and sanitize air of spaces from germs or microorganisms, comprises micro-perforated film provided on first side with adhesive layer and on second side with photocatalytic layer based on titanium dioxide.

ZAT F, ALLEGRANZI C, VERDI M, TOMASELLA L

Melt-blown cloth bicomponent cotton of high filtration grade comprises melt-blown cloth bicomponent cotton layer including component A having carbon fiber modified polypropylene resin and modified high molecular weight butyl cellulose resin and component B having graphene modified polyurethane resin.

HE W, WANG F

Graphene composite filter film, has supporting block fixedly connected with iron screw rod, where inner middle end of film body is provided with first filter screen and left and right sides of inner part of body are provided with second screen.

FAN W

Air filter cloth for air purifying device for filtering and purifying micro-particles in air, has adsorption layer composed of transverse first aramid filament and longitudinal second filament knitted with each other.

CAO W

Large area graphene-based seawater desalination film comprises support layer and composite interlayer structural unit, where composite interlayer structural unit is sequentially provided with porous graphene layer, graphene oxide layer and porous graphene layer from bottom to top.

QING F, HOU Y, LI X