国家/地区 中国（21） 美国（6） 世界知识产权组织（5） 加拿大（4） 欧洲专利局（EPO）（3） 日本（3） 印度（2） 韩国（2）
IPC部 B（25）
IPC大类 B01（25）
IPC小类 B01D（25）
IPC B32B009/00（13） B32B009/04（13） B32B027/32（9）
B01D046/00（8） B32B005/02（8） B32B027/12（8）
B32B027/02（7） B32B033/00（6） B01D039/16（5）
B01D071/02（5） B32B037/06（5） B01D053/02（4）
B01D067/00（4） B01D069/12（4） B32B027/30（4）
发明人 LIU S（3） MA L（3） WANG Q（3）
LI X（2） LIU W（2） YANG Z（2）
ZHANG J（2） ZHANG X（2）
公开年 2021（25）
申请年 2020（12）  2021（10）  2019（3） 
专利权人 GUANGZHOU KA.（3）

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

Environment-friendly furniture composite board, has wrapping clamped and connected with clamping groove on plate main body through splicing strip, and adsorption filling layer filled between wrapping edge and side wall of plate body.

HE R

Laminated porous ceramic filtering material used for purifying high temperature coal gas, comprises first, second, third, fourth porous ceramic material layers arranged in sequence.

LIU J, BI C, YANG X, ZHANG J, LU Y, YUN K

Preparing virus-killing bone material, H11-level spraying cloth and graphene nonwoven fabric material comprises e.g. preparing anti-influenza virus H1N1 nonwoven fabric bone material, performing electrostatic spinning, preparing graphene nonwoven fabric and fixing ultrasonic wave hot melt adhesive.

LIU S, MA L, WANG Q

Preparing bonding material of virus-killing bone material, H12 grade melt blown cloth and graphene non-woven cloth comprises preparing graphene polypropylene spun bond non-woven fabric by in-situ polymerization, sequentially stacking anti-influenza virus H1N1 non-woven fabric, and fixing.

LIU S, MA L, WANG Q

Preparing composite material comprises useful e.g. for purifying air, combining one side of anti-influenza virus H1N1 non-woven fabric and graphene non-woven fabric, uniformly spraying hot melt glue, placing in a hot air oven, heating, and hot pressing pattern by hot pressing roller.

LIU S, MA L, WANG Q

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

Multi-layered mask is useful for e.g. protecting against the aerosol transmission of COVID-19 comprises five layers characterized that first and last layers are made of e.g. cotton textile layers, natural fiber layers, and nanofibers layer.

SHIREESHA G, KARBARI S R, UTTARA K M, SUBRAMANYA K

Standard leakage hole of graphene/PMMA composite film, has supporting portion that is attached and arranged on side of permeable portion far away from first PMMA layer, and n includes penetration holes.

WANG L, ZHANG X, HAN Y, REN G, SUN L, YAN R, MENG D, LIU Z

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B