国家/地区 世界知识产权组织（9） 美国（8） 日本（7） 中国（5） 欧洲专利局（EPO）（5） 澳大利亚（3） 韩国（3） 印度（2） 新加坡（2） 台湾（2）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC C01B032/182（9）
发明人
公开年 2016（2）
申请年 2015（3）  2021（2） 
专利权人

Graphene nanocomposite polymeric membrane used as air filtration membrane in high-performance masks and air purifiers, comprises sulfur-doped amine-functionalized silver-linked reduced graphene oxide.

BARDIYA V

Carbon material used as filter for desalination or deionization of solution, comprises carbon-containing layer having opening and solid material provided for covering the opening of carbon-containing layer, where solid material comprises hole communicating with opening.

KATSUMI K, TOSHIO T, YASUSHI S, STEVIC D, KATSUYUKI M, KANEKO K, TAKAGI T, SHIMIZU Y, DRAGANA S, MURATA K, MURADA K

Graphene containing composition e.g. multilayered hydrogen graphene composition for product e.g. thermal insulation barrier comprises graphene component containing monolayer graphene and/or multilayered graphene, and graphite component.

BRERETON D, BRERETON T, WINKELMANN A

Perforating sheet of graphene-based material for filtration application, involves arranging sheet of material comprising multi-layer graphene having graphene layers which are independently stacked, and exposing material to particle beam.

BEDWORTH P V, SWETT J L

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

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

Graphite oxide manufacturing method for producing graphene used in e.g. secondary battery of electronic and electric device, involves performing electrodialysis to remove cations from solution.

TODORIKI H, TAKEMURA Y, NOMOTO K, TODOROKI H

Composition useful for fabricating a functionalized carbon-based nanostructure, comprises graphene or graphene oxide comprising at least one functional group associated with the graphene or graphene oxide.

SWAGER T M, COLLINS W R, LEWANDOWSKI W, SCHMOIS E, SYDLIK S, WALISH J, GOODS J B