国家/地区 韩国（10） 世界知识产权组织（6） 美国（5） 中国（2） 日本（2）
IPC部 B（16）
IPC大类 B01（16）
IPC小类 B01J（16）
IPC C01B032/182（16）
发明人 YANG W S（4）
公开年 2018（16）
申请年 2017（9）  2016（7） 
专利权人 KOREA ELECTR.（4）

Producing graphene from microwave-expandable un-exfoliated graphite or graphitic carbon comprises e.g. supplying and feeding powder of microwave-expandable un-exfoliated graphite or graphitic carbon onto non-metallic solid substrate surface.

LIN Y, ZHAMU A, JANG B Z

Device for manufacturing nano graphene oxide used in nano-composite, comprises discharge unit which includes first electrode and second electrode which are separately placed to each other and forms the gap, and generates graphene precursor.

BYEON J H, KIM J O

Carbon aggregate for produces higher-order carbon substance, comprises two connected multi-walled spherical fullerenes and layers of graphene and coating, where coating is connected with multi-walled spherical fullerenes.

COOK D, GHEZELBASH H, ANZELMO B H, TANNER D, SINGH S

Selectively controlling photoreduction and heat reduction of graphene oxide during flash annealing involves selecting bottom material and/or structure of substrate or container and performing flash annealing on graphene oxide on substrate.

LEE J O, JEONG D W, LEE S S, JEONG S H, LEE G H, JI S G, KIM T G

Producing doped graphene quantum dots used in photocatalyst, comprises preparing a mixture comprising norepinephrine and solvent and performing solvothermal reaction of the mixture.

JONG H K, JU J J, HO K J, JI J J

Producing high purity highly crystalline reduction graphene oxidation of silicon comprises graphite oxidation step of injecting and oxidizing graphite in Kuett-Taylor reactor, forming oxide graphene.

YANG W S

Preparing oxidized graphene, comprises injecting and oxidizing graphite in Couette-Taylor reactor, and converting oxidized graphite into graphene oxide by introducing oxidized graphite in Couette-Taylor reactor to peel off oxidized graphene.

YANG W S

Multilayered composite thin film for e.g. photodetection and/or energy harvesting device comprises substrate having positively-charged surface, bilayer material having negatively charged surface, and coating layer of graphene quantum dots.

TAN T Y T, ZENG Z, CHEN D

Drying graphene oxide, comprises treating a washed graphene oxide with an organic solvent, and thermally drying the graphene grains.

YANG W S

Washing oxide graphene in washing device, involves separating unreacted sulfuric acid from oxide graphene slurry and washing above-mentioned separated oxide graphene by using aqueous solution.

YANG W S