国家/地区 欧洲专利局（EPO）（4）
IPC部 B（4） C（4）
IPC大类 B01（4） C01（4） B82（2）
IPC小类 B01D（4）
IPC C01B032/182（4）
发明人
公开年 2016（4）
申请年 2015（3） 
专利权人

Removing urea from biological fluids, comprises e.g. contacting fluid comprising urea with mass of graphene-based material particles, and sorbing portion of urea into or onto graphene-based material particles.

NATAN M J, KYRLIDIS A

Graphene membrane film used in system for purifying solvent, comprises several plate-shaped laminated graphene flakes containing physical bond or chemical bond for connecting pair of layers, and has preset thickness and oxygen content.

LEE S H, KIM S J, SEO D K, KIM Y H, GEONHUI L, LEE S, KIM S

Manufacturing method of filter molded object, involves holding graphene layer under low temperature heating for predetermined time in-air contains specific oxygen range and forming graphene water flow hole.

KANEKO K, TAKAGI T, MURATA K, MURADA K, KATSUMI K, TOSHIO T, KATSUYUKI M

Concentrating stabilized solution of graphene oxide having continuous phase, comprises adding absorbent material to solution, and absorbing portion of the phase with material to form solution having higher graphene oxide concentration.

MAJUMDER M, AKBARIVAKILABADI A