国家/地区 美国（8） 欧洲专利局（EPO）（7） 世界知识产权组织（7） 中国（6） 日本（5） 韩国（4） 英国（3） 台湾（3） 加拿大（2） 印度（2） 南非（2）
IPC部 B（8）
IPC大类 B82（8）
IPC小类 B82Y（8）
IPC B82Y040/00（8）
发明人 KWON W（2） KWON W J（2） LEE K（2）
LEE K S（2） SOHN K（2） SOHN K N（2）
YOO K（2） YOO K H（2）
公开年 2015（8）
申请年 2015（4）  2014（3） 
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2） UNIV MANCHES.（2）

Producing pristine graphene nanoplatelets used in e.g. paints, comprises expanding flakes of intercalated graphite, dispersing expanded graphite in water in absence of surfactant and subjecting to exfoliation and size reduction treatment.

CESAREO G, PARRINI M R, RIZZI L G

Functionalized graphene used to identify defects present in the graphene plane, comprises at least one functional group covalently bonded directly to edge of graphene plane, where the functional group is e.g. nitro, amine, halide.

BLANFORD C, HARTMANN M, FLITSCH S, WEHNER M

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

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

Production of graphene sheet used for e.g. electron field emitter, involves forming carbonaceous powder by electrochemical erosion of graphite electrode in molten salt, recovering carbonaceous powder, and heating carbonaceous powder.

FRAY D, KAMALI A R, KAMALI A, FREY D

Graphene sheet used as electrode material, is grown on graphene growth support comprising carbonization catalyst, and comprises ripple(s) formed using difference in thermal expansion coefficient of support and graphene sheet.

AHN J, HONG B, KIM K

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

Producing in electrochemical cell of one or more of graphene, graphite nanoplatelet structures, and graphane, involves passing current through cell to intercalate ions into graphitic negative electrode.

DRYFE R A W, KINLOCH I A, ABDELKADER A M, JEFF R A W, DRYFE R A V