国家/地区 世界知识产权组织（6）
IPC部 B（6）
IPC大类 B01（6） C01（6） A61（2）
B82（2）
IPC小类 B01D（6）
IPC B01D071/02（6）
发明人
公开年 2021（4） 2022（2）
申请年 2021（6）
专利权人

Multi-stage hybrid membrane used for separating hydrogen from syngas, comprises screen supporting the layers containing mixture of carbon fibers, transition nonmetal compounds, fluorine containing polymer and activated carbon.

ROBLES G, NIMOCKS R, ROCKE M, CHEIKY C, GLEN R, ROBERT N, MIC R, CHARITY C

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

Synthesis of graphene oxide used for manufacturing membrane, involves mixing sulfuric acid and phosphoric acid, adding graphite powder, potassium permanganate and hydrogen peroxide, cooling mixture, diluting mixture with hydrochloric acid solution, and centrifuging.

ALKHOUZAAM A A, QIBLAWEY H

Graphene oxide-based membrane for use in regenerative dialysis system, comprises substrate, and multiple layers of single-layered graphene oxide formed on surface of substrate, where each layer is functionalized by diamine functional group.

YANG H Y, LEONG Z Y, ROY D M, KODURI S

Gas separation membrane element used in gas manufacture, comprises central tube for accumulating permeated gas, and gas separation membrane spirally surrounded by tube and comprising porous support film having arithmetic-mean surface roughness and separation functional layer containing graphene.

TOKUYAMA T, IIZUKA R, YAMADA H

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