国家/地区 世界知识产权组织（15）
IPC部 C（15）
IPC大类 C01（15） B82（13） H01（7）
B01（5） B32（3） B05（2）
C22（2） F16（2）
IPC小类 C01B（15） B82Y（13） B01J（4）
B82B（4） H01M（4） B32B（3）
H01B（3） H01G（3） B05D（2）
C22C（2）
IPC C01B031/00（15）
发明人
公开年 2012（15）
申请年 2011（9）  2012（5） 
专利权人

Making liquid foam from graphene involves preparing aqueous dispersion of graphene oxide; adding water miscible compound to aqueous dispersion of graphene oxide to produce a mixture including modified form of graphene oxide.

ALCAZAR J D, THOMAS E L, ALCAZAR JORBA D

Graphene-based steel tubes, pipes or risers used for conveying petroleum, gas and biofuels, and for use in underwater riser systems for deep water with direct application in petroleum industry, comprise aluminum, cobalt, copper and chromium.

CARVALHO A L M D, ZURBA N K, MOREIRA DE CARVALHO A L, MOREIRA D C A L

Preparing graphene used in e.g. LEDs, transistors involves treating graphite with acid to form graphite oxide, mixing with metal oxide nanoparticles; and treating with acid to separate graphene.

CHOI W K, PARK D H, KWON B W, SON D I, CHOI W

Manufacture of graphene for nanoelectronics, involves mixing graphite powder with concentrated sulfuric acid, oxidizing using potassium permanganate, reducing and dispersing.

GUBIN S P, CHEGLAKOV A V, BUSLAEVA E Y, TKACHEV S V, GELLER M M, DUDAKOV V B, BUSLAEVA E YU

Preparing graphene porous carbon material, comprises e.g. adding graphene-based component or mixture of graphene based component and auxiliary component in solvent to disperse, and placing the obtained original sol in reactor for reacting.

KANG F, LI B, LV W, TAO Y, YANG Q, YOU C, ZHANG C, HONG F, YAO Y

Synthesizing graphene comprises refluxing reaction mixture of solvent e.g. water and carbonaceous material promoting polycyclic aromatic hydrocarbon formation, collecting and directing obtained vapors to substrate and recovering graphene.

SHANKMAN R S, HANKMAN R S

Method for preparing graphene-based lithium iron phosphate/carbon composite material used in power battery, involves preparing phosphate/oxide precursor by dispersing ferric salt- and phosphate solution followed by drying obtained emulsion.

CAO Y, DU K, HU G, PENG Z, WU K, DU KE

Fluorinated graphene oxide has specified fluorine content and carbon content.

ZHOU M, LIU D, WANG Y

Method for preparing graphene film or graphene material, involves preparation aqueous solution of water soluble biopolymer to form non-crystallizing hydrogels or derivative of biopolymer.

DELGADO SANCHEZ J M, SANCHEZCORTEZON E, ATIENZAR CORVILLO P, PRIMO ARNAU A M, GARCIA GOMEZ H, DELGADO S J M, SANCHEZ C E, ATIENZAR C P, PRIMO A A M, GARCIA G H, SANCHEZ CORTEZON E, SANCHEZ J M D, CORTEZON E S, CORVILLO P A, ARNAU A M P, GOMEZ H G

Graphene powder having specific elemental ratio of oxygen atoms to carbon atoms and specific elemental ratio of nitrogen atoms to carbon atoms, useful in electrochemical device, which is lithium ion secondary battery.

SUN P, WU Z, LIU G, TAMAKI E, KUBOTA Y, WU G, KAI W, GANG U