国家/地区 中国（7） 世界知识产权组织（5） 日本（2） 韩国（2） 美国（2）
IPC部 B（13）
IPC大类 B01（13） A41（5） A62（5）
C01（4） C02（4） C08（4）
D01（3） B32（2） C09（2）
C23（2） D04（2） D06（2）
IPC小类 B01D（13）
IPC B01D039/16（13）
发明人
公开年 2021（5） 2020（3） 2022（3）
申请年 2021（5）  2020（3）  2022（3） 
专利权人

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

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

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

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

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

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

Graphene polypropylene composite material for melt-blown cloth, comprises graphene material, electret material, hydrocarbon material which is liquid at normal temperature and polypropylene.

PAN D, XIE Z, ZHANG Y, ZHANG H

Manufacturing antibacterial and sterilizing air filtering material involves putting aqueous polyurethane into solvent for dissolution to obtain mixed solution, and adding silver-loaded graphene to mixed solution to form spinning solution.

XIN B, ZHOU X, YU J, JIANG Y, XU L, HUANG Y, YAN Q, MIAO Y, XIE X, LI A