国家/地区 韩国（7） 美国（2） 世界知识产权组织（2）
IPC部 C（7） B（3）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C09K011/65（4） B82Y020/00（3） B82Y040/00（3）
C01B032/184（2） C01B032/194（2）
发明人 CHO S O（2） JEON S（2） KANG S（2）
LEENAEUN（2）
公开年 2022（4）
申请年 2021（4）  2018（2） 
专利权人 KOREA ADVANCED SCI TECHNOLOGY INST（7）

Structure useful for producing high-purity methane, comprises conductive carbon nanotube structure, and iron oxide bonded to surface of carbon nanotube structure.

KANG S, SEUNGYOUBHAN, KANG J W, YANG S M

Production of graphene quantum dots used in electronic device, involves thermally decomposing silicon carbide substrate in reduced pressure atmosphere in which mixed gas containing hydrogen is supplied.

CHO S O, LEENAEUN

Manufacturing biocompatible graphene quantum dots useful in bio-electronic device for bio-imaging and bio-sensing comprises preparing hydrogen-terminated graphene quantum dot and hydrophilizing hydrogen-terminated graphene quantum dots.

CHO S O, LEENAEUN

Ground reinforcement material used for reinforcing ground, comprises gas hydrate-soil mixture.

CHO G C, KANG S J, KANG C W, KANG S, HWAN K C

Single-phase composition for preparing graphene-based compound, comprises hydroxyl group-containing carbon source, saccharide-based compound includes monosaccharide, single-phase composition comprises hydrocarbyl alcohol-based solvent.

PARK O O, LEE S H, IM S H, PARK O, HYUK I

Manufacture of graphene flakes used in dispersion solution, involves impregnating positive/negative electrodes containing graphene precursor, with electrolyte containing metal salt of anionic organic monomer, applying voltage and separating.

JEON S, AZAM A, KIM J, WOO J S, MO K J, WOO J, MO K

Fabrication of graphene quantum dots used in e.g. electronic product, involves heating mixture of graphite powders with metallic hydrate salt to form intercalation compound by inserting metal ions, and redispersing in solvent.

JEON S, KIM B, SONG S, JEON S W, KIM B H, SONG S H