国家/地区 中国（4） 美国（3） 欧洲专利局（EPO）（2） 韩国（2） 世界知识产权组织（2）
IPC部 B（7）
IPC大类 B01（7） C02（6） C01（4）
C08（2）
IPC小类 B01D（7）
IPC B01D067/00（7）
发明人
公开年 2021（4） 2022（2）
申请年 2020（7）
专利权人

Polymer solution used for preparing nanofiltration membrane in water treatment, and also in high-temperature separation and desalination, comprises polyaryl ether sulfone block polymer, good solvent, poor solvent and additive.

CAO M

Graphene oxide titanium dioxide-dopamine polyetherimide nanofiltration membrane comprises organic ultrafiltration membrane support and functional layer prepared by ultrasonically mixing graphene oxide solution and titanium dioxide-dopamine aqueous solution, filtering to form membrane, and filtering.

LAN W, FANG F, HONG Y, CHEN Y

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

Multi-layered membrane useful for separating many ions or molecules in a fluid stream and in device for osmotic power generation, comprises a top layer, a bottom layer, and a spacer layer.

GARAJ S, SPINA M

Producing polyamide complex membrane using a sulfur-doped nano-carbon material comprises preparing carbon composition by homogeneously mixing a nano-carbon material with sulfur, heating carbon composition, homogenizing, and drying.

SONG P, KIM N, SUK M H, JUNG H W, KIM J, LEE J S

Membrane for treating feed water, comprises interfacially formed polyamide layer on microporous support film, and graphene oxide quantum dots attached to surface of polyamide layer having preset permeate flux and salt rejection performance.

SUN P B, LI J C, KOHLER L

Preparing hydrophobic graphene film by preparing graphene dispersion and nanoparticle dispersion, mixing, depositing on support, drying, soaking in hydrophobic modifier solution using hydrophobic modifier, water and ethanol, and treating.

LIU G, ZHANG M, JIN W