国家/地区 中国（27） 印度（4） 世界知识产权组织（3） 美国（2）
IPC部 B（37）
IPC大类 B01（37） C02（27） C01（5）
B82（4） C07（2） C08（2）
IPC小类 B01D（37）
IPC B01D067/00（37）
发明人 ZHANG Y（4） CHEN Z（3） WANG Y（3）
ZHANG X（3） DU X（2） HU L（2）
KE Y（2） LI Y（2） LIANG S（2）
LIU G（2） LIU J（2） LIU X（2）
QIU X（2） TAN H（2） WANG D（2）
公开年 2023（37）
申请年 2022（19）  2023（10）  2021（8） 
专利权人 GUANGDONG ES.（2） UNIV DALIAN .（2） UNIV WUHAN T.（2） VONTRON TECH.（2）

Metal-doped graphene nanofiltration membrane used in various applications such as water purification, wastewater treatment, comprises graphene nanoparticle layer deposited with metal, porous support layer embedded with metal-doped graphene nanoparticle, membrane support layer, and transverse layer.

PUNETHA V D, KALPETIYA S

Composite film used for selectively separating cation in water environment, comprises supporting layer and functional layer located on surface of supporting layer, where functional layer comprises seed layer, and metal-organic framework layer located on surface of seed layer.

LU C, HU C, CHEN Z, QU J

Preparing aluminum oxide ceramic plate film used in sewage treatment, comprises setting intermediate sacrificial layer and functional film layer on aluminum oxide ceramic substrate, and removing intermediate sacrificial layer.

LI X, GAO G, ZHOU H, WANG Y, ZHANG N, LIU X

Preparing polyamide membrane for desalination of water from surface hydric body such as river, or for processing water for industrial reuse, involves applying dispersion of graphene oxide in ethyl alcohol, on membrane of selective polyamide layer, by spin-coating with low and high rotations.

SILVESTRE A A L, DE JESUS R B C, GOULART S G, SANTOS A M M, GOMIDE D C V, BRASIL Z Y L, DE ARAUJO CID DA SILVA R, SUHETT D S R

Separation membrane e.g. ultrapure water membrane, food and/or beverage processing membrane, municipal water membrane, comprises porous substrate layer and active layer comprising superhydrophilic agent arranged over at least portion of substrate layer.

BRETHERTONLIU K, PUGH T, FEI F

Preparing carboxylated oxidized graphene modified flexible flat film, comprises e.g. preparing oxidation graphene, dispersing oxidation graphene in deionized water and obtaining oxidation dispersion graphene, and adjusting graphene.

ZHANG M, CHEN Z, XU J, HUANG Y, WU S, XU H

Composite nanofiltration membrane useful in treatment of high-salt wastewater containing dyes, comprises graphene oxide/phenolic resin nanofiltration membrane on surface of base film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Preparing light-driven self-cleaning composite filter membrane useful for removing pollutant in water, comprises adjusting pH of alcohol solution of titanium dioxide nanosheets to alkali, adding silane to hydrolyze, adding graphene oxide and applying on substrate.

ZHANG X, CHEN P, ZHANG Z, FU H, HE D

Preparing diamines and polyamines containing diphenylmethane structure with low acid consumption comprises e.g. undergoing salt-forming reaction to generate aniline salt, mixing aniline salt and formaldehyde solution for reaction, adding solution to separator, and washing organic phase with alkali.

LI C, CUI C, ZHANG H, LI Y, ZHANG Y, LIN F

Preparing reverse osmosis membrane useful for desalination of boron sea water, comprises e.g. contacting base film with polyamine monomer solution, obtaining polyamide layer, heating, immersing in diethanolamine solution, immersing reverse in carboxy activator solution, coating and post-treating.

LIANG S, HU L, XIAO J, LIU G, YANG X