国家/地区 美国（7） 世界知识产权组织（6） 欧洲专利局（EPO）（5） 中国（4） 日本（3） 澳大利亚（2） 韩国（2） 俄罗斯（2）
IPC部 B（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B031/04（7）
发明人
公开年 2014（3） 2013（2） 2015（2）
申请年 2013（7）
专利权人

Preparing anthracite based graphene oxide comprises e.g. preparing ultra-clean anthracite powder, adding dispersant, carrying out ultrasonication to prepare dispersion liquid, and preparing graphene oxide colloid solution.

ZHANG L, ZHANG M

Production of graphene oxide and/or graphite oxide nanoplatelet structure used for e.g. sensors, involves passing current through cell to intercalate anions into graphitic positive electrode and exfoliating.

ABDELKADER A, KINLOCH I, DRYFE R

Material useful in electric device, comprises reduced graphene oxide, where degree of reduction of graphene oxide exhibits spatial variation so that material exhibits gradient in electric conductivity and/or permittivity.

LOGAKIS E, SKORDOS A, CHATZI P

Forming metal oxide/reduced graphene oxide composite film comprises providing graphene oxide dispersion, adding metal oxide, filtering metal oxide/graphene oxide dispersion, and reducing metal oxide/graphene oxide film using reducing agent.

LEE P S, SUMBOJA A, FOO C Y

Graphene composition useful in an electrode for a lithium ion battery, comprises thiourea that has a specified sulfur to carbon ratio.

SUN P, WU Z, LIU G, WU G, TAMAKI E, KUBOTA Y

Producing aerogel or xerogel comprising graphene, graphene oxide or its mixture involves dispersing graphene, graphene oxide or its mixture in solvent compatible to it, and cross-linking the graphene, graphene oxide or its mixture.

GALLASTEGUI A G, SHAFFER M, ALYOUBI A O, ASIRI A M, SCHAEFFER M

Graphene useful in a device including a sensor and FET, comprises an etched edge portion, where the etched edge portion comprises a functional group e.g. ketone, aldehyde and carboxylic acid.

CHOI W M, HONG B H, CHOI J