国家/地区 世界知识产权组织（4）
IPC部 B（4）
IPC大类 B01（4） A41（3） A62（3）
C01（2） C08（2） D06（2）
IPC小类 B01D（4）
IPC B01D039/08（4）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

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

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

Filter cloth useful for adsorption and removal of aflatoxin in edible vegetable oil e.g. peanut oil and corn oil, comprises reduced graphene oxide/polyvinyl formal fiber filter cloth composite material having regular structural morphology.

LI P, MAO J, ZHANG Q, ZHANG L, LI H, ZHANG W, YU L