国家/地区 韩国（3）
IPC部 B（3）
IPC大类 B01（3） C01（3） C09（3）
IPC小类 B01J（3）
IPC B01J019/10（3）
发明人
公开年 2017（3）
申请年 2016（3） 
专利权人

Producing isolated graphene sheets from supply of coke or coal powder, used in composite material, comprises dispersing particles of coke or coal powder in liquid medium to produce suspension, and exposing suspension to ultrasonication.

ZHAMU A, JANG B Z

Preparation of graphene ink involves growing graphene on metal substrate, removing metal substrate, and dispersing graphene in dispersion medium.

KIM Y N, LEE S K, PARK C W, YANG W S

Preparing graphene ink involves dispersing graphite flakes in organic solvent, ultrasonicating dispersion, separating supernatant by centrifuging ultrasonically treated dispersion to remove supernatant and adding 1-5C alcohol.

KIM S J, JIN J