国家/地区 中国（7） 美国（4） 世界知识产权组织（4） 欧洲专利局（EPO）（2）
IPC部 B（11） A（5） C（4）
D（2）
IPC大类 B01（11） A62（5） A41（3）
B32（2） C02（2） C08（2）
D06（2）
IPC小类 B01D（11）
IPC B01D039/16（11）
发明人 CESAREO G G（2） RIZZI L G（2）
公开年 2021（11）
申请年 2021（11）
专利权人 DIRECTA PLUS.（2）

Air filtering grid for vehicle for military and civilian application, has filter core provided with multiple continuous V-shaped filter core units that are provided with filter sheet, and graphene melt-blown cloth coated on outer surface of filter sheet.

LIANG X

Graphene composite antibacterial purification material used for particulate matter, comprises graphene, lignin, coconut shell activated carbon, nano-titanium dioxide, methyl cellulose, talc powder and deionized water.

WU J, LI T, CHEN L, QUE M, SUN Y, SUN J

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

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

Air filtration device for use in air purification system, has high efficiency particulate air (HEPA) filter media that comprises graphene oxide (GO) as antibacterial and antiviral material configured to inactivate trapped micro-organisms.

VOSKRESENSKA V, POLYAKOVA E, STOLYAROV D

Active air filter device for disrupting or destroying bacteria and/or viruses, comprises layer of porous conductive material, and energy source for creating current, voltage, electric field, or magnetic field propagated throughout material.

BENSHABAT K, OSTFELD I

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

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Preparing high water resistance filter material by ball milling method comprises e.g. taking cut polyphenylene isophthalamide fiber and soaking sodium dodecylbenzene sulfonate solution, washing with deionized water, and heat treating.

ZHENG Y, ZHOU M