国家/地区 中国（6） 印度（4） 韩国（4） 世界知识产权组织（2）
IPC部 B（19）
IPC大类 B01（19） C02（11） C08（4）
C01（3） B82（2）
IPC小类 B01D（19）
IPC B01D067/00（8） C02F001/44（5） B01D071/02（4）
B01D061/14（3） B01D071/34（3） B01D017/02（2）
B01D039/14（2） B01D053/72（2） B01D053/86（2）
B01D069/02（2） B01D069/12（2） B01D071/42（2）
B01D071/56（2） B01D071/74（2） B01J020/20（2）
发明人
公开年 2023（19）
申请年 2021（19）
专利权人

Cation exchange membrane useful in electrodeionization device for ultrapure water production system comprises cation exchange resin, binder resin, and reduced graphene oxide.

KIM S K, JEONG H Y, MOON Y G, SON E J

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

Nanofilter used for selectively separating oil contaminants e.g. crude oil, diesel, engine oil and petrol oil from water, comprises hydrophobic nanoparticles, amorphous carbon, and support comprising polymeric sponge or fabric.

KHODAPARAST B, KHOSROPOUR A

Process for 5-hydroxymethyl ether formation involves using ionic liquid catalyst of fructose in corresponding alcohol and adding to N,N-dimethylacetamide methanesulfonate, refluxing reaction mixture, cooling and isolating desired ether product under reduced pressure and reusing recovered alcohol.

DUTTA S

Coating composition used as coating member in filter, comprises dopamine-based compound and dopamine crosslinking compound i.e. cyclic hydrocarbon, linear hydrocarbon and heterocyclic hydrocarbon groups, and crosslinked functional group.

LEE J, SONG I H, HA J H

Preparation of graphene aerogel for carbon dioxide adsorption, involves preparing graphene-polyethyleneimine-chitosan composite slurry, and freezing in mold where thermal conductivity coefficient of bottom is greater than that of side wall.

CHENG A, HE Z, GAO S, LIU L, LI X, WANG Q, WU T

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

Synthesizing graphene oxide-titanium oxide-manganese oxide composite sol, comprises e.g. heating acid-soluble titanium oxide to dissolve titanium oxide particles with concentrated sulfuric acid, reacting with acidifying graphite, specific grade order flake graphite powder and sodium nitrate.

WU L, ZHANG T

Polymer cross-linked structure separator for conductive carbon separation membrane, has polymer cross-linked bonds that are formed between layers of conductive carbon separator having laminated structure.

CHO E S, LETHARGY

Vapor permeation device comprises graphene oxide membrane, which is configured to separate permeation stream comprising water from feed vapor stream comprising water and organic solvent.

LI K, LEE B