国家/地区 美国（6） 世界知识产权组织（5） 欧洲专利局（EPO）（3） 日本（3） 中国（2） 韩国（2）
IPC部 B（6）
IPC大类 B01（6） B82（6） C01（6）
C02（3） B32（2）
IPC小类 B01D（6）
IPC B01D071/02（6）
发明人
公开年 2015（3） 2016（3）
申请年 2015（6）
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

Graphene-based membrane useful for e.g. removing ions from water , comprises at least two graphene-oxide layers comprising many graphene-oxide flakes that comprise a planar graphene structure with oxygen moieties extending from it.

YU M

Use of reduced graphene oxide laminate membrane as barrier material in which reduced graphene oxide is formed from reduction of graphene oxide with reducing agent.

RAVEENDRANNAIR R, SU Y, GEIM A, RAVEENDRAN N R

Composite nanostructure useful in a filtration membrane e.g. microfiltration membrane for filtering a liquid i.e. water, comprises a graphene oxide shell, and a nanoparticle i.e. titanium dioxide or silver within the shell.

FORTNER J, BISWAS P, JIANG Y, WANG W

Molecular filter used for purifying and filtering water e.g. wastewater and seawater, comprises graphene sheet(s), graphene-oxide sheet(s) and optionally edge-functionalized graphene-oxide layer(s).

CHIU G