国家/地区 中国（11） 韩国（4） 世界知识产权组织（4） 欧洲专利局（EPO）（2） 美国（2）
IPC部 B（21）
IPC大类 B01（21） D01（9） D04（8）
A41（7） D06（7） A62（6）
B32（2） C08（2） C23（2）
IPC小类 B01D（21）
IPC B01D039/16（21）
发明人 WU J（3） CESAREO G G（2） JI J（2）
LI X（2） RIZZI L G（2） WANG B（2）
ZHANG J（2） ZHANG Z（2）
公开年 2022（8） 2020（5） 2021（5） 2023（2）
申请年 2020（7）  2021（6）  2022（5）  2018（2） 
专利权人 DIRECTA PLUS.（2） H V SUZHOU .（2）

Electrospun polymer nanofibrous membrane used in air filtration applications, comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes, where membrane is treated with one or more anti-pathogenic agents.

GUO F, SOLIMAN S

Method for manufacturing non-woven fabric filter, involves mixing and stirring material for manufacturing non-woven fabric and graphene powder, and preparing non woven fabric using mixed material in chip form using melt dispersion machine.

HAK L K, JEONG G, LEE Y B

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

KIM S, JUNG H J, JAE C H

High and low temperature melting temperature bicomponent polyester fiber useful in preparing self-conducting oil filter material, prepared by co-extruding low-temperature polyester fiber chips and high-temperature conductive polyester fiber chips.

JI J, WU J, ZHANG Z

Antistatic polyester fiber with high and low temperature melting temperature used in filter material, comprises polyester fibers with low melting point and high melting point conductive system.

JI J, WU J, ZHANG Z

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

Rapid and continuous preparation method of high-efficiency and multi-functional air filter material, involves dipping light-cured resin into coiled air filter material, heating by infrared, softening filter fiber using dry powder injector to blow functional particles to filter material.

WANG B, CAI W

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

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