国家/地区 世界知识产权组织（3） 中国（2） 美国（2）
IPC部 A（5）
IPC大类 A41（5）
IPC小类 A41D（5）
IPC A41D013/11（5）
发明人 JANG B Z（2） ZHAMU A（2）
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人 NANOTEK INST.（2）

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

Face mask e.g. surgical mask, comprises mask component for covering wearers mouth and nose and comprising air-permeable outer layer, inner layer and graphene layer, and fastener for connecting mask component to wearer.

JANG B Z, ZHAMU A

Heat detection mask comprises mid-leaf filter cloth having four corners and four sides, upper leaf of middle leaf filter fabric and upper leaf bonded to have same edge on upper side of left and right sides and having arc-shaped sewing line.

SHIM B