国家/地区 韩国（3） 美国（3） 世界知识产权组织（2）
IPC部 C（3） B（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 CHOI J（4）
公开年 2016（4）
申请年 2016（4） 
专利权人 SAMSUNG ELEC.（2）

Polymer film for e.g. food packaging material, comprises layer comprising polymer having alcohol-based repeating unit and alkali ion-attached graphene oxide, on substrate film, and layer comprising polymer having dichloro repeating unit.

KIM H, LEE K, NOH W, PARK K, CHOI J, SHIM Y, JUNG J E, KIM H M, NOH W S, PARK K M, CHOI J K, SHIM Y K, PARK G M, CHOI J G

Manufacture of graphene balls involves preparing dispersion comprising graphene oxide, monosaccharide to polysaccharide reducing agent and specified amount of aqueous ammonia, and spray-drying resultant dispersion.

JANG H D, CHANG H K, CHOI J H, JANG H, CHANG H, CHOI J, ZHANG X

Hard mask composition used for manufacture of hard mask material film, comprises graphene copolymer and solvent.

KIM J, YU N, KIM B, YI S, CHOI J, KIM J H, YU N R, KIM B D, YI S S, CHOI J S

Method for manufacturing single-crystal graphene sheet, involves heat treating catalyst layer and carbonaceous material in one of inert atmosphere and reducing atmosphere to form single-crystal graphene sheet.

CHOI J, SHIN H, YOON S, HAN J