国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4） C08（4） C09（4）
C01（3） B29（2） B33（2）
C10（2） H01（2） H05（2）
IPC小类 C04B（4）
IPC C04B014/02（4）
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（2） 2021（2）
申请年 2021（2） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2）

Preparing hydrophilic carbon black useful for preparing building pigments, comprises dispersing graphene oxide and furnace carbon black in water, then soaking in nitric acid solution, carrying out solid-liquid separation and drying.

YU L, LI Y

Preparing crystalline graphene useful as modifying agent in preparation of modified asphalt, comprises heating high-activity calcium hydroxide powder, performing chemical vapor deposition reaction, acid washing, filtering and etching.

CUI Y

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

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