国家/地区
IPC部 A（2）
IPC大类 A41（2） A62（2） C08（2）
IPC小类 A41D（2）
IPC A41D013/11（2）
发明人
公开年 2022（2）
申请年
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

All-in-one goggles mask useful to protect eyes from foreign substance i.e. dust and strong sunlight when doing outdoor activities and exercising i.e. mountaineering and skiing, comprises goggles unit having lens formed inside, and mask unit.

SONGJAEHYUN, WHOAN J H