国家/地区 中国（7） 美国（2） 世界知识产权组织（2）
IPC部 B（8） D（4） A（3）
C（3）
IPC大类 B01（8） B32（8） D01（3）
C08（2） D04（2）
IPC小类 B01D（8）
IPC B32B005/02（8）
发明人 LIU S（3） MA L（3） WANG Q（3）
公开年 2021（8）
申请年 2021（5）  2020（3） 
专利权人 GUANGZHOU KA.（3）

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

Diatom cloth with antibacterial, purifying and humidifying function comprises diatom material, activated carbon, graphene, catalyst, pore-forming agent and cloth.

HAN F, DU Z

Formation of porous graphene layer used as semipermeable membrane, involves providing catalytically active substrate comprising copper-nickel alloy substrate, to catalyze graphene formation under chemical vapor deposition conditions.

CHOI K, PARK H G, HEIGHT M, CHOI K J, PARK H, PIAO H

Multilayer filtering nonwoven fabric comprises non-woven fabric surface layer, nonwoven fabric base layer, edge sealing layer and reinforcing supporting grid sheet, where periphery of non-woven fabric surface layer is provided with edge sealing layer.

ZHANG Z

Degradable antibacterial nanofiber non-woven fabric composite filter material comprises first layer facing wind direction as nanofiber filter layer, second layer as nanomaterial antibacterial layer, and third layer as substrate layer.

CAI Y, QI H, ZHU L, CHEN L, YE W