国家/地区 欧洲专利局（EPO）（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B82Y030/00（3）
发明人 LEE S（2）
公开年 2016（2）
申请年 2015（2） 
专利权人

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

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

Making graphene powder useful in carbon-based electrical devices involves preparing graphene solution in which graphene particles are dispersed in a solvent; aggregating the particles; separating aggregated particles from solvent and drying.

LEE S, LEE D, SEO B, BYUN N