国家/地区 美国（9） 世界知识产权组织（7） 欧洲专利局（EPO）（4） 日本（4） 韩国（4） 中国（3）
IPC部 B（9）
IPC大类 B82（9）
IPC小类 B82Y（9）
IPC B82Y040/00（9）
发明人
公开年 2009（4） 2010（3） 2011（2）
申请年 2009（9）
专利权人

Graphene oxide sheet used for graphene-containing material, is obtained by dispersing graphene-containing carbon substance using dispersing agent to reduce size of aggregation unit of carbon substance, and oxidizing resulting product.

FUGETSU B

Producing a graphene-solution, useful for producing a composite material, which is useful in batteries, capacitors, paints, coatings and catalysts, comprises reducing graphite with an alkali metal salt in a polar organic solvent.

WOLF A, LOLLI G, MLECZKO L, SCHLUETER O F, SCHLUETER O F K, SCHLUETER O, SCHLUTER O F

Separation of metal graphene single layer carbon nanotubes and semi-conductor graphene single layer nanotubes comprises reacting diazonium salt derivative to mixture of the metal graphene nanotube and the semi-conductor nanotube.

CHENEVIER P

Preparing graphene ribbons, comprises preparing graphitic material composed of e.g. graphene helices, and shortening the graphitic material by applying energy and decomposing the graphitic material into graphene ribbons.

LEE J, LEE S H, LEE W, LEE S, LEE U, LEE J K, LEE W S

Graphene material in the form of sheet, ribbon or polyphenylene molecule, films, optical and electronic devices is pristine in the interior of the plane and functionalized at its edges.

DAI H, LI X, SUN X

Functionalized graphene sheets useful in polymer composite and resin have specific carbon to oxygen molar ratio.

AKSAY I A, KORKUT S, MILIUS D L, PRUDHOMME R K, PRUD HOMME R K, AKSAY I, MILIUS D, PRUDHOMME R, PRUD H R K, PRUD APOS HOMME R K

Producing reduced graphene oxide film used in e.g. sensors involves providing mixture of graphene oxide platelets, water, and organic solvent; spin coating the mixture and allowing water and solvent to evaporate; and repeating spin coating.

ROBINSON J T, SNOW E S

Conductive material e.g. transparent conductive electrode for touchscreen or LCD display, comprises assemblage of graphene sheets interconnecting electrically in discrete transparent layer, which has area of greater than specified value.

HAMILTON J, STREICH P, HAEMILTEON J, SEUTEURECHI P, STREICH P V, HAMILTON J P

Functionalized graphene oxide, e.g. for electronic devices, comprises predetermined range of basal plane fraction of carbon atoms in sp2-hybridized state and surface functionalized with predetermined concentration of functional groups.

CHIA P, CHUA L, GOH G S, HO P, WANG S, CHUA R, CHIA P J, GO G S