国家/地区 中国（4） 世界知识产权组织（3） 美国（2）
IPC部 B（5）
IPC大类 B01（5） A41（3） A62（3）
C08（3） B32（2） C02（2）
IPC小类 B01D（5）
IPC B01D039/16（5）
发明人
公开年 2021（5）
申请年 2021（4） 
专利权人

Graphene composite antibacterial purification material used for particulate matter, comprises graphene, lignin, coconut shell activated carbon, nano-titanium dioxide, methyl cellulose, talc powder and deionized water.

WU J, LI T, CHEN L, QUE M, SUN Y, SUN J

Increasing an electrical and/or thermal conductivity, as well as filtering power and germ-blocking properties of textile article by preparing impregnation composition consisting of graphene, polymeric binder and wetting agent, and stirring.

CESAREO G G, RIZZI L G

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

Graphene polypropylene composite material for melt-blown cloth, comprises graphene material, electret material, hydrocarbon material which is liquid at normal temperature and polypropylene.

PAN D, XIE Z, ZHANG Y, ZHANG H