国家/地区 中国（20） 世界知识产权组织（8） 韩国（6） 欧洲专利局（EPO）（3） 加拿大（2）
IPC部 B（27）
IPC大类 B01（27） D06（27） A62（5）
A41（4） C02（3） D01（3）
B32（2） C01（2） C08（2）
D04（2）
IPC小类 B01D（27）
IPC D06M011/74（27）
发明人 CESAREO G G（2） RIZZI L G（2） ZHANG L（2）
公开年 2021（9） 2022（6） 2019（3） 2020（3） 2016（2） 2017（2）
申请年 2021（8）  2020（7）  2019（4）  2016（3）  2022（2） 
专利权人 DIRECTA PLUS.（2）

Graphene filter film comprises first non-woven fabric layer, graphene layer and second non-woven fabric layer arranged in sequentially, where each layer is embedded with each other at connection position.

JU Y, YI J, WANG W, WANG D

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

Producing carbon fiber coated with silicon carbide by preparing carbon fiber, coating graphene oxide on surface of carbon fiber, coating silicon oxide on carbon fiber coated with graphene oxide, and heating carbon fiber coated with silicon oxide and graphene oxide to generate silicon carbide layer.

KIM W S, TAK W S, HWANG J U, EO S B, SEONG T W, HWANG J, EO S

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

Preparing high temperature flame retardant filter material by singeing and pressing upper surface of needled felt, placing into composite flame retardant finishing agent, and radiating and solidifying in low-energy electron accelerator.

FU S, XU H, ZHOU G, YANG D, SUN K

Composite material useful for preparing glass, metal or fabric-based antibacterial and antiviral, formaldehyde removal and electret filter materials, comprises e.g. rod-shaped cellulose nanocrystals, titanium dioxide grown on surface of rod-shaped cellulose nanocrystals and graphene nanosheets.

ZENG W

Inserting two dimensional flakes of two dimensional material into pores of porous substrate, comprises providing porous substrate having open pores, applying liquid dispersion of flexible flakes to porous substrate and subjecting substrate.

KHRANOVSKYY E, ZHYBAK M

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

Preparing graphene oxide metal ion composite antibacterial filter core involves preparing metal ion complex water solution, dissolving metal salt in distilled water, and then adding oxime compound to form solution one.

NIU G