国家/地区 欧洲专利局（EPO）（5）
IPC部 B（5）
IPC大类 C01（5） C09（5） C08（4）
B82（3） C10（3） H01（3）
H05（3） B01（2） B29（2）
B33（2） C04（2）
IPC小类 C01B（5）
IPC C01B031/04（5）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） NAGISA K（2） SHEN Y（2）
SHOJI H（2）
公开年 2015（5）
申请年 2014（4） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2）

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 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 aqueous dispersion of few-layer graphene nanosheets used for coated article, involves mixing graphite particles with perfluorosulfonate ionomer in aqueous liquid, and arranging ionomer as thin and continuous layer.

JULIUS D, ZIN M, DIVIGALPITIYA R, KORBA G A, KIM M

Coated strip or sheet comprises steel strip or sheet, zinc (alloy) coating on steel strip or sheet, coating system for inhibiting corrosion, and top coat in which coating system contains corrosion inhibitive composition with graphene.

VAN DER WEIJDE D H, BOEHM S, BOEHM H L M, BOEHM H, VAN DER WEIJDE D, BOHM H L M, BOHM S

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