国家/地区 中国（11） 美国（7） 世界知识产权组织（6） 欧洲专利局（EPO）（3） 日本（3） 韩国（3） 巴西（2）
IPC部 B（18）
IPC大类 B01（18） C02（10） C01（9）
C10（2）
IPC小类 B01D（18）
IPC B01D069/10（18）
发明人
公开年 2021（18）
申请年 2021（12）  2020（4）  2019（2） 
专利权人

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

Use self-heating silicon carbide-graphene composite ceramic film preparation technology in oil-water separation comprising processing device main body, whose four corners are fixedly installed with supporting legs and through hole slidingly provided with connecting rod.

SHEN H, ZHENG Z, XU D, JIN Y, ZHANG J, CHEN Q, TANG Y

Large-scale preparation of graphene oxide-tannic acid two-dimensional film used for e.g. nanofiltration of pollutants in water, involves preparing graphene oxide-tannic acid mixed solution, scraping graphene oxide-tannic acid mixed solution on base film, and immersing in metal ion solution.

ZHOU Z, WANG L, YE J, DAI J, ZHANG R

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

Preparing composite forward osmosis membrane for e.g. seawater desalination, by soaking electrospun nanofiber supporting layer with intermediate layer in calcium chloride solution, washing, soaking in sodium carbonate solution, washing and preparing polyamide selective separation layer.

LIU H, YU L, CHEN D, YU Y

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

Composite membrane used for separating gas from gas mixture, comprises selective layer comprising polymeric matrix comprising amine polymer, graphene oxide nanofiller, and mobile carrier chosen from ionic liquid and amino acid salt, coated on support.

DENG L, JANAKIRAM S, ANSALONI L, DENG Y L, ANSARONI L

Preparing electrospinning seawater desalination membrane with self-floating structure comprises dissolving polystyrene and N, N-dimethyl formamide, adding e.g. polyacrylonitrile, stirring and electrostatic spinning polyacrylonitrile electrostatic spinning solution of doped carbon material.

YOU Q, XU C, JIANG Z, TANG H, GONG T

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