国家/地区 中国（14） 美国（14） 世界知识产权组织（13） 日本（11） 欧洲专利局（EPO）（9） 韩国（7） 加拿大（5） 台湾（5） 澳大利亚（2）
IPC部 C（18） B（12） H（9）
IPC大类 C01（18）
IPC小类 C01B（18）
IPC C01B032/194（18）
发明人 KAWASAKI M（3） TAMAKI E（3） HIRAI Y（2）
JANG B Z（2） MCINNIS M（2） WANG Y（2）
YOSHIHIDE H（2） ZHAMU A（2） ZHANG M（2）
公开年 2017（11） 2016（6）
申请年 2016（18）
专利权人 TORAY IND IN.（3） NANOTEK INST.（2）

Production of isolated graphene sheets from supply of coke or coal powder for e.g. graphene-containing ink composition involves exposing supply of coke or coal powder to supercritical fluid and rapidly depressurizing supercritical fluid.

ZHAMU A, JANG B Z

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

Reduced graphene oxide film used for forming electrode of supercapacitor device, comprises three-dimensional hierarchy of pores, and has preset active density.

KANER R B, SHAO Y

Preparing graphene-aqueous polyurethane composite material involves adding sulfuric acid in dry beaker and mixing graphite, sodium nitrate and potassium permanganate under magnetic stirring for two hours to obtain mixture.

WANG Y

Graphene dispersion liquid used for manufacturing composite particles, is obtained by dispersing graphene having preset ratio of median diameter with respect average value of size along plane direction in organic solvent.

HIRAI Y, TAMAKI E, KAWASAKI M, YOSHIHIDE H

Graphene dispersion liquid used for manufacturing active material composite particles, is obtained by dispersing graphene in solvent comprising specified amount of N-methylpyrrolidone, and has preset weight absorptivity coefficient.

MANABE K, TAMAKI E, KAWASAKI M

Graphene/organic solvent dispersion liquid used for manufacturing electrode, comprises graphene having preset difference between moisture content as measured by Karl Fisher method under specified conditions dispersed in organic solvent.

YANG H, TAMAKI E, KAWASAKI M, HIRAI Y, MIYAZONO K, YOSHIHIDE H

Coating of substrate with carbon-based material used for e.g. chemical sensor, involves coating activated substrate with graphene oxide coating, exposing graphene oxide coating to vacuum UV radiation and forming graphene-like coating.

TRUICAMARASESCU F, GALLERNAULT M F M, LEMAY R, WARD J A, LEMAY R J R

Preparation of graphene quantum dots of different oxygen content used in fluorescent material, involves dispersing graphene oxide in peroxide solution, mixing dispersion with lye, purifying to obtain powder, and performing gradient elution.

ZHANG L, ZHANG M

Preparation of graphene/carbon black composite material, involves ultrasonically dispersing oxidized graphene solution and carbon black, and adding reducing agent to graphene and carbon black composite solution.

LIU H, ZHANG Z, WU K