国家/地区 中国（34） 世界知识产权组织（14） 美国（13） 韩国（8） 欧洲专利局（EPO）（7） 印度（5） 日本（4） 台湾（4） 新加坡（3） 加拿大（2）
IPC部 B（46）
IPC大类 B01（46）
IPC小类 B01D（46）
IPC B01D067/00（46）
发明人 WANG L（4） KITAHARA I（3） WANG P（3）
WANG X（3） ZHENG S（3） CHEN Y（2）
ERICSON J（2） GUO Z（2） HSIEH W（2）
JIANG L（2） KOBUKE M（2） LAI J（2）
LEE J S（2） LI B（2） LI J（2）
公开年 2021（12） 2018（7） 2022（7） 2016（4） 2020（4） 2014（2） 2015（2） 2017（2） 2019（2） 2023（2）
申请年 2021（10）  2017（6）  2020（6）  2019（5）  2015（4）  2016（4）  2018（4）  2022（3）  2013（2） 
专利权人 NITTO DENKO .（3） CHINA PETROL.（2） NAT CENT NAN.（2） UNIV TONGJI（2）

Adding graphene derivatives in active layer and substrate layer in filtration membrane, involves adding predetermined quantity of graphene derivatives to predetermined quantity of organic solvent, and mixing graphene derivatives with organic solvent in predetermined ratio to form graphene dispersion.

KAUSHIK A

Preparing ion exchange membrane, involves preparing two main bodies carrying particles with opposite charge, cleaning and drying surface of substrate having enhanced permeability, and soaking in dispersion liquid, forming thin film on substrate surface, drying, dissolving substrate in polar solvent.

LIANG Z, FANG Y, LIU S, ZHANG D, CHEN X

Preparing liquid electronic chemical filtering and purifying film by e.g. dispersing microporous solid zinc oxide-zeolitic imidazolate framework particles as precursor, potassium hydroxide as activator, polyvinyl pyrrolidone as pore-forming agent, preparing casting solution, and coating.

LI X, MA W

Composite used for separating component, comprises macroporous scaffold comprising pores and polymer matrix positioned within pores, comprising functional polymer particles and structural polymer.

KORNFIELD J A, FABER K T, DIALLO M, BATEMAN O, ARAI N

Nanofiltration membrane constructed based on two-dimensional metal-organic framework (MOF) and graphene oxide layer used for separating drinking water from seawater, brackish water or other waste water, comprises composite membrane formed by co-stacking of two-dimensional MOF lamella.

TANG Z, LI L, LIU C, HU F

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

Preparing intelligent self-repairing interface surface material, comprises e.g. grinding metal or oxide to obtain modifier, rinsing and removing suspended particles, precipitating, filtering, and drying to obtain composite nano-modifier, loading on base surface, performing immobilization treatment.

ZHU W, MA W

Manufacture of water purification membrane for purifying contaminated water e.g. wastewater, involves electrospinning polymers into nanofibers, crosslinking nanofibers to form membrane, oxidizing pyrrole monomers, depositing nanoparticles on membrane and washing.

XING M, LIU Y, CHEN S

Polyethylene glycol terephthalate/graphene two-dimensional layered composite film with T-type channel structure useful in e.g. ion transmission and sieving on polarizable oil/water interface, where film has two-dimensional layered Emi channel and single-dimensional micrometer channel.

CHENG H, SHENG C, YANG H, WANG X, CHEN Y

Preparation of biamino chitosan-graphene oxide hybrid material for constructing plasma separation membrane , involves adding sodium hydroxide, and dispersing mono-tert-butoxycarbonyl-protected diamino chitosan derivative in methanol.

JIN W, CHU Z, XIE Y