国家/地区 世界知识产权组织（4） 中国（2）
IPC部 A（5） B（5）
IPC大类 A41（5）
IPC小类 A41D（5）
IPC A41D013/11（4） A41D031/30（3） B01D039/16（2）
B01D039/20（2） B01D046/00（2）
发明人
公开年 2022（5）
申请年 2021（5）
专利权人

Mask for use in respiratory protection for various diseases, has mask body that covers user's mouth and nose when worn by user, and wearing strap that is connected to both sides of mask body.

PARK S A

Antiviral formulation useful in antiviral filtering material for antiviral face mask, comprises metallic copper particles in unoxidized form, graphene oxide or reduced graphene oxide, and a bonding matrix material.

ALVAREZALVAREZ A, MANJON FERNANDEZ A, SANZ MORAL L M, NORIEGA PEREZ D, RODRIGUEZ GARCIA J, MEGIDO FERNANDEZ L, BOHM S, SUAREZ SANCHEZ R, PEREZ RODRIGUEZ M

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

Air filter cloth for air purifying device for filtering and purifying micro-particles in air, has adsorption layer composed of transverse first aramid filament and longitudinal second filament knitted with each other.

CAO W

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