国家/地区 韩国（19） 中国（13） 印度（5） 美国（4） 世界知识产权组织（4） 波兰（2）
IPC部 B（47）
IPC大类 B01（47） C02（11） C08（4）
A62（3） C01（3） A41（2）
B82（2） H02（2）
IPC小类 B01D（47）
IPC B01D067/00（14） B01D069/12（10） B01D053/86（8）
B01D039/20（7） B01D071/02（7） B01J020/20（7）
B01D069/02（6） B01D071/34（5） C02F001/44（5）
B01D061/14（4） B01J020/30（4） B01D039/14（3）
B01D039/16（3） B01D053/02（3） B01D071/42（3）
发明人 WANG Q（3） BRUNO J（2） GUO W（2）
LI P（2） LIU D（2） LIU S（2）
ZHENG J（2）
公开年 2023（47）
申请年 2021（47）
专利权人 CHINA PETROL.（4） RES INST PET.（3） BRUNO J（2） KOREA ADVANC.（2）
KOREA INST I.（2） UNIV AMITY（2） UNIV HONG KO.（2）

Preparing denitrification catalyst useful for selective catalytic reduction reaction for reducing nitrogen oxides comprises dispersing silver, zinc and support compound, ball milling dispersion, drying and calcining ball milled dispersion.

KIM Y J, YOU Y, HEO I J, CHANG T S, LEE J H, KWAK J S, LIM M T, YOU Y W, HEO I, KWAK J, IM M T

Producing iodine adsorption filter for adsorbing iodine in radioactive waste liquid, comprises immersing template composed of polymer in slurry containing bismuth graphene oxide produced by reacting graphene oxide with bismuth nitrate.

KIM W

Double-shell nanocomposite photocatalyst useful for decomposing organic dyes and volatile organic compounds in various industrial fields, comprises e.g. silver oxide nanoparticle layer positioned on metal oxide nanoflower structure.

JUNG Y G, SEOK C H, KWON Y J

Preparing manganese oxide incited graphene quantum dots membrane involves dissolving graphene quantum dots in N-methyl-2-pyrrolidone with stirring for preparing thin film composite, and forming thin film composite forward osmosis membranes by spreading obtained suspension on fine glass plate.

JAIN H, GARG M C

Non-powered electrostatic air cleaning filter, has support made of glass fibers, where carbon structure grown from seed is formed on support, and carbon structure is carbon nanotube or graphene.

KIM S M

Catalyst coated with nitrogen-doped graphene quantum dots useful for improving selective catalyst reduction efficiency, comprises vanadium oxide, tungsten trioxide, titanium dioxide, and nitrogen-doped graphene quantum dots.

BAIK J M, CHOI S, RAHULPOLBIA

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

Preparing graphene oxide-titanium dioxide photocatalyst useful for catalyzing carbon dioxide substitution reaction, comprises mixing titanium dioxide and carbon precursor, and calcining mixture.

JEONG D, KWON J