国家/地区 欧洲专利局（EPO）（3） 美国（3） 世界知识产权组织（2）
IPC部 C（3） H（2）
IPC大类 C01（3） H01（2）
IPC小类 C01B（3）
IPC C01B031/04（3） C01B032/198（2）
发明人 KIVIOJA J（4）
公开年
申请年 2014（2） 
专利权人 NOKIA TECHNO.（3）

Extracting graphene oxide from an aqueous solution comprising graphene oxide, involves contacting aqueous solution with at least one positively charged organic compound.

WEI D, KIVIOJA J

Reduced graphene oxide (RGO) flakes percolation network e.g. for sensor, has RGO ink including overlapping stacked arrangement of RGO flakes that are functionalized to facilitate detectable changes in flow of charge carriers.

SPIGONE E, HAQUE S M, KIVIOJA J

Proton battery for biological sensors, mobile devices, and electric vehicles comprises anode formed of graphene oxide from acidic pH, cathode from pH greater than acidic pH of anode, and charge collectors deposited on anode and cathode.

WEI D, BORINI S M, WHITE R, KIVIOJA J, BORINI S

Graphene structure fabricating method, involves pressing layer of highly oriented graphite with predefined pattern against substrate, and stamping graphene structure with predefined pattern on substrate.

AHOPELTO J, HAATAINEN T, KIVIOJA J