国家/地区 中国（20） 美国（12） 世界知识产权组织（11） 日本（8） 韩国（8） 欧洲专利局（EPO）（7） 印度（3） 台湾（3） 澳大利亚（2） 加拿大（2） 英国（2）
IPC部 C（40）
IPC大类 C01（40）
IPC小类 C01B（40）
IPC C01B032/198（40）
发明人 LIU Y（3） LI J（2） SONG J（2）
ZHANG B（2） ZHAO W（2）
公开年 2021（40）
申请年 2020（21）  2021（16）  2019（3） 
专利权人 KANEKA CORP（2）

Producing polymer film, involves preparing dispersion solution by ultrasonically treating graphene oxide and dispersing it in distilled water or tetrahydrofuran mixed solvent, preparing mixed solution by adding polyvinyl alcohol, stirring.

JIN H, YOO J

Producing concrete water reducing agent comprises e.g. adding graphene oxide solution and acrylamide polymer into methyl alkenyl polyoxyethylene ether and sodium styrene sulfonate solution, stirring, adjusting pH, cooling, adding calcium lignosulfonate and rutin, and mixing.

ZHANG Z, DUAN P

Preparation of graphene oxide used for road rubber composite modified asphalt by removing moisture of equipment, spreading expanded graphite, potassium permanganate and sulfuric acid, reacting, adding hydrogen peroxide, and precipitating.

FENG X

Preparation of polydopamine nano-layer-coated graphene oxide filled epoxy resin composite material involves preparing natural flake graphite into graphene oxide, self-polymerizing polydopamine to coat graphene oxide, coating graphene oxide-filled epoxy resin with polydopamine nanolayers.

ZHENG F, LIU Y, ZHOU H, WANG Y, DU G, LI G, YANG J

Preparing modified graphene oxide used for preparing epoxy nano composite material, involves adding graphene oxide and 3-aminopropyltriethoxysilane into ethanol water solution, and sequentially performing ultrasonic and heating treatment.

ZHANG C, KONG L, NING C, ZHUANG H, SHANG L, YANG G, AO Y

Preparing polyglycidyl ether functionalized stable metal/graphene dispersion system comprises e.g. dissolving trimethylolpropane, filling with nitrogen, adding methanol solution of potassium methoxide, dripping glycidol, adding methanol and acetone, and obtaining graphene oxide.

LI D

Adsorbent film for measuring scale content in wastewater by coating film forming solution onto vessel wall for holding wastewater sample, is formed from solution prepared from raw materials with graphene power or modified graphene powder.

YU T, SONG J, QU C, WU B, HU H, ZHANG X, YAN Y, YANG B, LI J

Preparing manganese-metal organic frame/graphene oxide nano material useful for aqueous zinc ion batteries, comprises adding concentrated acid into graphene oxide-dimethyl sulfoxide powder sample, adding into four mixed solution to prepare mixed solution, heating, centrifuging, washing and drying.

PAN Y, YIN C, CHEN J, PAN C

New zwitterionic copolymer useful as a dispersant for graphene oxide in cementitious materials.

HSU K C, GE J, LIU X Y, HUANG C

Graphene-polycarboxylate type material, e.g. graphene-polycarboxylate-nanoparticle type material, for filler in polymeric matrices, in direct and reverse osmosis membranes, and in lithium batteries, comprises polycarboxylate compound.

AGUILAR BOLADOS H E, YAZDANIPEDRAM ZOBEIRI M, GALLEGOS COFRE M D J, ESTEBAN A B H, MERDAD Y, JESUSUS G D, GALLEGOS C M D J, YAZDANIPEDRAM Z M, AGUILAR B H E