国家/地区 世界知识产权组织（8） 中国（7） 欧洲专利局（EPO）（4） 美国（4） 日本（3） 加拿大（2）
IPC部 A（14）
IPC大类 A41（14）
IPC小类 B01D（14）
IPC A41D013/11（11） A62B023/02（6） B01D039/16（6）
B01D046/00（6） A41D031/30（5） B01D039/20（4）
B01D039/08（3） B32B005/26（3） A01N059/00（2）
A01N059/16（2） A01P001/00（2） A41D031/02（2）
A41D031/04（2） A62B018/02（2） B01D039/14（2）
发明人 CESAREO G G（2） RIZZI L G（2）
公开年 2021（7） 2022（5） 2023（2）
申请年 2021（14）
专利权人 DIRECTA PLUS.（2）

Article-of-manufacture for providing oxygen tree for removing carbon-di-oxide gas from atmosphere, has controller configured to activate heater to raise filter temperature, and open captured carbon-di-oxide transfer port causing captured carbon-di-oxide pass out of capture chamber.

BRUNO J

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

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

Textile article, useful in a filter for personal health protection, comprises a textile substrate having specific bacterial filtration efficiency, where the textile article comprises graphene dispersed in a polymeric binder.

CESAREO G G, RIZZI L G

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

Four-columns water filter system has three filtering bed in each column, where three filtering bed comprises filter I or first filter bed-made-up of functionalized graphene, filter II or second filter bed-made-up of cotton supported bed.

GAUTAM S, KUMAR A, VASHISTHA V K, DAS D K, SHARMA K, PRAKASH S