国家/地区 美国（13）
IPC部 C（13）
IPC大类 C01（13） B82（8） H01（7）
C09（4） B01（3） C08（3）
C10（3） C25（3） H05（3）
B29（2） B32（2） B33（2）
C04（2） C07（2）
IPC小类 C01B（13）
IPC C01B031/04（13）
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） NAGISA K（2）
SHEN Y（2） SHOJI H（2） SOHN K（2）
SOHN K N（2） YOO K（2） YOO K H（2）
公开年 2015（13）
申请年 2015（6）  2014（5）  2013（2） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2） 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

Producing flake graphene by direct exfoliation of graphite involves preparing an aqueous suspension of graphite with addition of surface active agents or surfactants, freezing the suspension, and drying the suspension.

AKSIENIONEK M, CENDROWSKI S, LEPECKI M, LIPINSKA L, MARCJANIUK A, WOLUNTARSKI M, WILINSKI Z

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

Preparation of reduced graphene for e.g. flexible electronics involves heating expandable graphite under conditions sufficient to form expanded graphite comprising oxygen-containing groups, and contacting with carbon monoxide.

CZAJKA M, SHANKS R, HUGEL H

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

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