国家/地区 韩国（15）
IPC部 B（15）
IPC大类 B01（15） C01（15） C09（3）
C07（2） H01（2）
IPC小类 B01J（15）
IPC B01J019/10（15）
发明人 CHUL O（2） HAN D（2） HAN D Y（2）
HYOONG Y L（2） HYUN W L（2） JANG K I（2）
KANG I J（2） KIM M（2） KIM M S（2）
LEE H W（2） LEE H Y（2） OH C（2）
公开年 2017（14）
申请年 2016（15）
专利权人 ILJIN DIAMON.（2）

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 reduced graphene oxide used for preparing suspension, involves reacting graphite oxide and glucose aqueous solution, dispersing resultant reduced graphene oxide gel in aqueous acetic acid solution and removing water.

JAE Y P, HYO S Y, MOHAMMAD F H

Producing bismuth graphene oxide useful for adsorbing iodine, comprises oxidizing graphite, and reacting graphene oxide with bismuth nitrate.

HANSANGSOO, UM W, SEOK K W

Producing graphene useful to produce graphene dispersion composition, comprises e.g. heat treating mixture including natural graphite and alkali metal to obtain graphite intercalation compound and mixing compound with pyridine-based solvent.

PARK H S, PARK K H, YANG C D

Preparing modified graphene sheet involves preparing graphene sheet on catalyst metal surface using chemistry deposition method, then processing graphene sheet compounded with ultrasonic wave and solvent and then peeling off.

BAIK S, LEE D

Producing multifunctional alumina graphene composite, comprises e.g. adding dispersing agent and multi-layer graphene to solvent, applying ultrasonic waves to peel micro-layer of graphene, and uniformly dispersing in alumina.

BAEK G R, JEONG H A, JEONG M R, KANG M C, LEE C H, LEE J Y, SHIN B S

Producing reduced oxidized graphene dispersion solution, comprises e.g. preparing oxidized graphene dispersion solution by adding first dispersion medium into oxidized graphene powder, dispersing, and reducing oxidized graphene.

HYUNG Y K, HO J M

Radiolabeled oxidized graphene complex modified with polyethylene glycol useful in contrast agent for nuclear medicine testing, preferably positron emission tomography and in kit for detecting tumor e.g. blood cancer and colon cancer.

JANG S C, HUH Y S, ROH C H

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