国家/地区 世界知识产权组织（6） 中国（3） 美国（3） 韩国（2）
IPC部 A（10）
IPC大类 B01（10） A61（8） A01（2）
IPC小类 B01J（10） A61L（7） B01D（7）
A01N（2）
IPC B01J037/02（10）
发明人 JEONG H Y（2） JEONGSE Y（2） LEE J S（2）
LEE S Y（2） YUN J S（2）
公开年 2021（3） 2022（3）
申请年 2020（4）  2021（2） 
专利权人 PURESPACE IN.（2）

Producing photoactive fabric for purifying air comprises preparing and mixing graphene oxide suspension, metal oxide suspension, dopant suspension to form mixture, characterized by subjecting mixture to photoreduction process, dispersing photocatalyst, and coating photocatalyst on fabric.

JUAN J C, TAI X H, TAY J H I, JOHAN M R B

Air-cleaning device useful for reducing harmful gases including ethylene and harmful microorganisms, comprises air inlet, ozone generating unit, ozone decomposition unit and air outlet.

YUN J S, LEE J S, JEONG H Y, LEE S Y, JEONGSE Y

Catalytic activity recovery of manganese oxide catalyst, by recovering ozone decomposition efficiency of initial ozone decomposition efficiency by heating in air atmosphere, and decomposing ozone using manganese oxide catalyst.

YUN J S, LEE J S, JEONG H Y, LEE S Y, JEONGSE Y

Decontaminating surfaces from human coronaviruses comprises exposing human coronavirus and decontamination layer, comprising nanostructured photocatalyst, in contact with human coronavirus to UV radiation and/or visible light.

SUBRAMANIAN V, VERMA S C

Process for preparing highly efficient graphene-soap-based spray paints useful in industrial field for killing of corona viruses comprise synthesizing graphene nanosheets/graphene nanofibers, forming paints and analyzing.

KARAKOTI M, PANDEY S, DHALI S, TEWARI C, SRIVASTAVA A, SRIVASTAVA R, SAHOO N G

Manufacturing filter for purifying gases, such as air, from microbial pollutants by applying liquid cement coating containing titanium dioxide particles on porous ceramic filter, drying, soaking in water, drying and exposing to radiation.

WITKOWSKI H, DYTRYCH W, JAROSLAWSKI J

Visible light photocatalytic glass fiber filter core for air purification, comprises nano-scale particles, silver nanowires, adhesive system and superfine glass fiber cotton.

ZENG H, ZHAI F, LI L, CHENG J, LUO Y, FENG G, HU M

Photocatalyst composition useful in air filtration structure comprises titanium dioxide, graphene and photoconductive materials.

YAN J, KAN W, YAN C, GAN W

Preparation of silver/graphene/zinc oxide composite material used for degrading of formaldehyde, involves adding zinc nitrate solution to sodium hydroxide solution, filtering precipitate, washing, drying and calcining dried precipitate.

MA L

Synthesis of silica-coated graphene hybrid material used as e.g. filler, involves treating ammonium-activated graphene oxide with solution comprising silica precursor(s), and silane coupling agent(s) to obtain functionalized product.

LIU J, LAW J