国家/地区 中国（10） 美国（10） 世界知识产权组织（10） 印度（5） 欧洲专利局（EPO）（4） 日本（4） 台湾（3） 澳大利亚（2） 韩国（2）
IPC部 B（26）
IPC大类 B01（26）
IPC小类 B01D（26）
IPC B01D071/02（26）
发明人 MADHAD H（4） MISHRA N（4） VASAVA D（4）
LIN C（2）
公开年 2021（26）
申请年 2021（12）  2020（9）  2019（5） 
专利权人 MADHAD H（4） MISHRA N（4） VASAVA D（4）

Large area graphene-based seawater desalination film comprises support layer and composite interlayer structural unit, where composite interlayer structural unit is sequentially provided with porous graphene layer, graphene oxide layer and porous graphene layer from bottom to top.

QING F, HOU Y, LI X

Preparing mercapto compound functionalized graphene oxide film in chiral separation, involves ultrasonically dispersing graphene oxide nano-sheet in organic solution under condition of room temperature and adding azodiisobutyronitrile.

LIU L, HOU S

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

Membrane assembly used in water filtration system comprises non-metallic, porous substrate, graphene oxide membrane and chemical linker interface including adhesion promoter and flux promoter including silane molecules.

WHEELER D R, ZAVADIL K R, BIEDERMANN L, HIBBS M

Preparation of iron-oxide-graphene oxide-hexagonal boron nitride composite used in e.g. chemosensor, involves dissolving graphene oxide and hexagonal boron nitride in distilled water, stirring and ultrasonically processing, autoclaving, centrifuging, washing with ethanol and drying.

NANDHAKUMAR R, PRABHU J, SAKUNTHALA A, VIDHYA B, RAJESH S

Preparing gas selective separation filter involves providing graphene membrane on sacrificial support layer, subjecting graphene membrane to transient pressurized ozone gas pulse, purging ozone, and cooling down ozone treated graphene membrane.

AGRAWAL K V, HUANG S, HSU K, AGRAWAL K, HWANG S, HUSH K, XU G

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

Preparing graphene-containing mixed film, comprises e.g. using strong oxidant to oxidize layered graphite powder to form layered graphene oxide with carbonyl, carboxyl and epoxy groups, and mixing Dimethylformamide and graphene oxide.

LIN C, LIU T, CHUANG Y, WEI H, HSU N

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