国家/地区 中国（5） 韩国（2） 世界知识产权组织（2）
IPC部 B（10） D（5） A（3）
C（3）
IPC大类 B01（10） D01（3） A41（2）
B82（2） C01（2） D04（2）
IPC小类 B01D（10）
IPC B01D039/16（10）
发明人 JI J（2） WU J（2） ZHANG Z（2）
公开年 2022（7） 2023（3）
申请年 2022（10）
专利权人 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

Air purifier for use in e.g. vehicles, has foreign matter filter unit, photocatalyst filter unit and driving device for inflow and discharge of air, where photocatalytic filters are arranged around light source unit.

HWAN K J, KIM K D, PARKJUNGHOON, HWANG J Y

Manufacturing antibacterial regeneration filter comprises preparing filament for 3D printing by cutting and extruding waste polymer, 3D printing filament to produce output in form of fabric, applying adhesive to surface, and coating.

PARK J B, UK L J, HAN J, LEE J, BUM L H

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

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

Composite structure filter felt used for household vacuum cleaner air purifier, has base cloth that is composed of multiple groups of stretch-proof fiber, and multiple groups are woven in staggered way.

YANG J

Production of carbon nanotube-based adsorption/filtration nanomaterial, comprises annealing carbon nanotubes to remove fullerenes and other by-products of carbon crystallization, where carbon nanotubes are subsequently immobilized on support substrate based on fibrous natural or synthetic material.

BOUSA D, BOUSA M, BOUSOVA K