国家/地区 世界知识产权组织（4） 中国（3）
IPC部 A（7）
IPC大类 B01（7） A41（5） A62（4）
D01（3） D04（2）
IPC小类 B01D（7）
IPC B01D039/20（7）
发明人
公开年 2022（7）
申请年 2021（3）  2022（3） 
专利权人

Self-cleaning filter used as mask, comprises heating fiber containing heating carbon component.

KIM S, JUNG H J, JAE C H

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

Preparing renewable antibacterial effect degradable nanofiber mask filter core comprises preparing graphene oxide-halamine composite antibacterial nanofiber membrane, and combining with substrate prepared from polylactic acid ultra-diluted spinning solution, and ultrasonic compounding.

HE J, SHAO W, LI X, ZHANG J, SU X, LI B, ZHAO X

Graphene cigarette filter tip, has cigarette fixing device whose bottom part is connected with graphene filtering device top part, where bottom part of graphene filter device is connected to filter tip device bottom part by inserting hole connecting piece.

YU Z, PAN D

Use of two-dimensional nanomaterial in preparing medicine for treating or preventing diseases caused by coronavirus by inhibiting binding of coronavirus spike protein to receptor angiotensin-converting enzyme 2 (ACE2) of its host cells.

LI Y, WANG L, ZHANG G

Graphene-based personnel protection equipment product used in personnel protection equipment such as filtration device, mask, glove and face shield, comprises fabric, clothing, face shield or glove body configured to support graphene sheets.

JANG B Z, ZHAMU A

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M