国家/地区 韩国（24）
IPC部 B（24） C（12） A（5）
D（5） H（2）
IPC大类 B01（24）
IPC小类 B01D（24）
IPC B01D067/00（6） B01D039/16（5） B01D039/20（5）
B01D046/00（4） A41D013/11（3） B01D069/02（3）
B01D069/12（3） B01D071/02（3） C01B032/184（3）
C01B032/194（3） C08K003/04（3） A62B018/02（2）
A62B023/02（2） B01D039/14（2） B01D046/42（2）
发明人 CAI C（2）
公开年 2021（24）
申请年 2020（24）
专利权人

Filter for use in mask and air purifier, comprises a filter medium forming pores, and a conductive material attached along a surface of the filter medium.

KO S H, SEONGGEUN H, KIM J M

Graphene polymer filter comprises polyolefin resin and graphene powder which are mixed to have pores of certain size and porosity.

NAMKUNG D

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Production of graphene-carbon nanotube composite used for e.g. electrode material, involves adding reducing agent to graphene oxide dispersion and reducing by heating, acid treating carbon nanotubes, dispersing reduced graphene and acid-treated carbon nanotubes in solvent, and spray-drying.

YOO H, HAN S Y

Preparing gas selective separation filter involves providing graphene membrane on sacrificial support layer, subjecting graphene membrane to transient pressurized ozone gas pulse, purging ozone, and cooling down ozone treated graphene membrane.

AGRAWAL K V, HUANG S, HSU K, AGRAWAL K, HWANG S, HUSH K, XU G

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

Insect screen with fine dust blocking function, has connecting ring that is arranged between pair of meshes, and frame that is coupled to outside of meshes.

KIM J H

Carbon material coated with coating layer containing polydopamine and copper oxide, useful for producing activated carbon fiber for antibacterial filter.

HUR J H, LEE Y C, MOON H G

Removing contaminant involves using a material comprising an adsorption material for adsorption of contaminant and decomposition material for decomposition of contaminant.

YANG D, KWON H, LEE H C, JI S, CHI X, LEE H, LIANG D, JI S M, JAE K, YANG T S

Apparatus for producing alkaline electrolyte solution, comprises e.g. a filtration process unit for filtering raw water, and deion processing unit provided with strongly basic anion exchange resin tower for generating strong alkaline water.

LEE G B