国家/地区 世界知识产权组织（9） 日本（7） 美国（7） 欧洲专利局（EPO）（6） 韩国（4） 中国（3） 俄罗斯（3） 澳大利亚（2） 加拿大（2） 台湾（2）
IPC部 B（11）
IPC大类 B82（11）
IPC小类 B82B（11）
IPC C01B032/198（11）
发明人 ZHANG L（2） ZHANG M（2）
公开年 2015（3） 2019（2）
申请年 2013（3）  2014（2）  2021（2） 
专利权人 CARBON NANO .（2） SHENZHEN CAN.（2）

Synthesis of graphene oxide involves dispersing graphite powder in concentrated sulfuric acid, adding phosphorus(V)oxide, ultrasonically treating, adding potassium permanganate and sodium nitrate, diluting, filtering, drying, and dispersing in water.

ABDELKHALIM A O, AGEEV S V, SEMYENOV K N, SHAROYKO V V, MAYSTRENKO D N, MOLCHANOV O E, STANZHEVSKII A A, POPOV S A

Preparing reduced graphene oxide nanosheets composed of graphene multilayers, involves synthesizing graphene multilayers from method of photo-oxidation assisted by ultraviolet radiation and preparing solution in water mixture.

FUSER PILLIS M, VERCINO CORREA O, TEIXEIRA BENTO R, PEREIRA COUTINHO S, DOS SANTOS T F, PILLIS M F, CORREA O V, BENTO R T, PEREIRA COTINHO S

Graphene oxide production method by oxidising graphite with hydrogen peroxide and potassium permanganate.

TKACHEV A G, MELEZHIK A V, OSIPOV A A, TKACHEV M A

Producing graphene foam structure in pressure sensing applications, involves assembling graphene and graphene oxide into three-dimensional structure, where water-based foam comprises a biomolecular surface active agent is used as template.

KURPPA K, PAANANEN A, SZILVAY G, PULLI T, SANDBERG H, SOIKKELI M, KETOJA J, RUOTSALAINEN T

Manufacture of graphene oxide involves contacting one end face of carbon-based three-dimensional material electrode(s) in parallel with electrolyte solution, electrolyzing, electrochemically-oxidizing, and cutting graphite sheet layers.

XU H, ZHOU Q

Repairing reduced graphene oxide comprises e.g. reacting graphene oxide with Lewis acid and methyl containing compound, refluxing, adding Lewis acid and repair agent, reacting, mixing with metal powder catalyst, reacting and annealing.

ZHANG M, ZHANG L

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

Making graphene oxide or flakes, comprises placing graphite into water containing oxidizing agent, mechanically exfoliating graphite into graphene flakes, and separating graphene flakes from water.

BLAIR R

New graphene oxide, useful as a raw material of a conductive additive in a positive electrode for a nonaqueous secondary battery, and electronic devices.

TODORIKI H, YUKAWA M, SAITO Y, YAMAKAJI M, YATABE R, IKENUMA T, TODOROKI H, YUGAWA M, YONEDA Y, TSUKUDA R