国家/地区 中国（8） 世界知识产权组织（7） 欧洲专利局（EPO）（4） 美国（4） 加拿大（3） 日本（3） 韩国（3）
IPC部 A（16） B（8） C（4）
D（3）
IPC大类 A41（16）
IPC小类 A41D（16）
IPC A41D013/11（15） A62B023/02（11） A62B018/02（6）
B01D039/16（5） A62B007/10（3） A62B018/08（3）
B01D039/08（3） B01D039/20（3） B32B005/26（3）
A41D027/00（2） A41D031/04（2） A41D031/30（2）
A62B009/00（2） B01D046/00（2） D06M011/74（2）
发明人 CESAREO G G（2） RIZZI L G（2）
公开年 2022（8） 2021（6） 2023（2）
申请年 2021（16）
专利权人 DIRECTA PLUS.（2）

Combination of nanoparticles applied onto mask filtration system for filtering airborne pollutants comprising PM2.5 and aerosolized virus particles of severe acute respiratory syndrome-coronavirus disease, comprises graphene, titanium dioxide, zinc oxide, copper oxide, silicon dioxide, and solvent.

NAG I

Antiviral, antifungal and antibacterial coated face mask used to prevent spread of severe acute respiratory syndrome coronavirus two, comprises solvent comprising graphene oxide and silver nanoparticle, which is prepared using Hummer's method and poured into glass container.

SUDARSHAN N, RAKHESH C R, MONISHBABU C, PRITHVI R, BELLIE V

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

Mask with elastic band for body temperature sensing comprises, elastic band formed at position including outermost portion of outer layer and exposed to outside of band body and mask unit connected to body temperature sensing elastic band.

HYOUN J

Face mask used for reducing pathogens in air inhaled/exhaled by user, consists of mask component having margin, inner layer, which is breathable material having interstitial spaces, inner surface, and outer surface, and graphene layer abutting outer surface, and straps attached to mask component.

CHE N E

Anti-anaphylactic mask for preventing ear graphene material, has side wall of mask main portion and upper and lower two sides of auxiliary calling device are provided with elastic belt.

WANG J, ZHOU Y

Lining heating lining of fire fighting fighting clothes, has front, back flap surface layer of graphene piece through lead and switch is connected with mobile power supply which is placed in placing bag of waistcoat main portion.

WANG B

Non-medical efficient filter-type protective mask for filtering air inlet nose, has mask inner layer whose outer surface is provided with breathing plate, where side of breathing plate is provided between mask outer and inner layers.

LIN T

Mask with antibacterial and deodorizing function, has band-shaped band element formed on outer and inner surfaces of mask main portion along edge of earring portion and edge of through hole.

TAK B H

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