国家/地区 世界知识产权组织（3） 韩国（2）
IPC部 B（6） A（3） D（3）
IPC大类 B01（6） A41（2） A62（2）
D01（2）
IPC小类 B01D（6）
IPC B01D039/16（6）
发明人
公开年 2022（6）
申请年 2021（6）
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

Filter for use in conventional mask for killing viruses or removing fine dust, has metal plate included with set of filter portions arranged such that polymer film and metal plate faces each other.

SHIN B S, LEEJUNWOOK, YOUB J S, LEECHANWOO

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

Filter element useful for manufacturing air conditioning units for a motor vehicle, comprises a textile substrate comprising woven fabric and nonwoven fabric, and a composition comprising graphene.

RIZZI L G, CESAREO G G

Core used in filter used for processing spent oil including hydraulic oil, gear oil, lubricating oil, turbine lubricating oil, honing oil and roll oil, comprises modified vegetable fiber, modified sawdust, diatomaceous earth, binder, molecular sieve, graphene oxide solution, and antirust agent.

XU Z

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