国家/地区 日本（7） 美国（7） 世界知识产权组织（7） 中国（6） 欧洲专利局（EPO）（5） 韩国（4） 台湾（4） 英国（2） 印度（2） 新加坡（2）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 C01B（7）
IPC C01B032/15（7）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） KWON W（2） KWON W J（2）
LEE K（2） LEE K S（2） LI J（2）
SOHN K（2） SOHN K N（2） YOO K（2）
YOO K H（2）
公开年 2015（7）
申请年 2014（5）  2015（2） 
专利权人 GRAPHENE PLA.（2） LG CHEM CO L.（2） LG CHEM LTD（2）

Preparation of sulfonated graphene used for e.g. transparent electroconductive electrode and thermal conductive material, involves contacting reaction medium containing oxidative sulfonating agent with organic material, and heating.

HAO J, JIANG Y, LI J

Use of reduced graphene oxide laminate membrane as barrier material in which reduced graphene oxide is formed from reduction of graphene oxide with reducing agent.

RAVEENDRANNAIR R, SU Y, GEIM A, RAVEENDRAN N R

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

Production of graphene involves forming liquid dispersion comprising dispersing agent, and carbon-based material comprising de-oxidized graphite, and continuously passing liquid dispersion through high-pressure homogenizer.

YOO K H, SOHN K N, KWON W J, LEE K S, YOO K, SOHN K, KWON W, LEE K

Graphene composition for graphene molding comprises organic compound, graphene with flakes, and dispersing agent.

HASEGAWA SHOJI, KAMIYA NAGISA, HASEGAWA S, KAMIYA N

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y

Carbon-type solid acid used in solid acid catalyst, comprises carbonaceous material having sulfonic acid group, and has graphene structure in at least portion and contains boron.

SHIOYAMA H, SAKURAI H, XU Q, KIUCHI M, KIMURA Y, MU C