国家/地区 中国（7） 美国（3） 世界知识产权组织（3）
IPC部 B（8） D（4） A（2）
C（2）
IPC大类 B01（8）
IPC小类 B01D（8）
IPC B01D046/00（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

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

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

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

Seamless cylindrical filter bag is consists of first non-woven fabric, cylindrical cloth, second non-woven fabric and polytetrafluoroethylene microporous membrane are compounded.

GU K, YANG Z, GONG Z, CAO Q, WU J, WANG H, GU Y, WANG Z, ZHANG J