国家/地区 世界知识产权组织（12）
IPC部 C（12）
IPC大类 C01（12）
IPC小类 C01B（12）
IPC C01B032/205（12）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） JANG B Z（2）
KAMIYA N（2） KAMIYA NAGISA（2）
公开年 2015（4） 2021（3） 2017（2）
申请年 2014（3）  2016（2） 
专利权人 GRAPHENE PLA.（2） NANOTEK INST.（2）

Process used for purification of graphite material, involves subjecting graphite material to oxidizing conditions, subjecting metal sulfide-lean graphite material to carbochlorination, and purging metal chlorides from metal chloride-rich graphite material, thus obtains purified graphite material.

BOISVERT R, BOULANGER P, BRASSARD M, DESAULNIERS E, NORVAL G, RIECKMANN P, TAN A, TAN Z

Type II superconductor for superconductive cable, has perforated carbonaceous material and activating material comprising non-polar liquid that does not incorporate Pi-bonding in its structure.

WOOD J A, LILLY P J

Elastic heat spreader film used for forming structural component, comprises graphitic film comprising graphitic crystals, and having preset thermal conductivity, electroconductivity and physical density, and elastomer or rubber.

LIN Y, JANG B Z, ZHANG B, JEAN B

Reactor system for producing carbon-containing powder, has microwave energy source, control circuit having output to generate control signal to adjust pulse frequency of microwave energy, voltage generator, and field-enhancing waveguide.

STOWELL M W, PHAM T V, ANZELMO B H, RISO T, RIESLE T, FAN D

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

Industrial method of producing large-scale quantities of graphite oxide, graphene oxide, and/or graphene for use as e.g. catalysts involves ultrafine grinding, flotation purification, graphite oxidative transformation, and purification.

JALBOUT A

Particle for particulate material used for composite material, particle dispersion and article comprises stacked sub-structures in which each sub-structure includes stack of graphene layers.

WALTERS I, WALTERS D

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

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