国家/地区 韩国（9）
IPC部 B（9）
IPC大类 B01（9） C02（4） C01（2）
C08（2）
IPC小类 B01D（9）
IPC B01D071/02（5） B01D067/00（3） B01D071/34（3）
B01D039/20（2） B01D069/12（2） B01J020/02（2）
B01J020/30（2） C02F001/44（2） C08K003/04（2）
发明人 LEE J（2） LEE J H（2） LEE J S（2）
OH Y（2）
公开年 2020（6） 2021（2）
申请年 2019（9）
专利权人 BON WATERS C.（2）

Manufacturing nano pore filter comprises forming crystal defect including nanopores and functional groups of target density by subjecting two-dimensional material to physical etching process, and utilizing chemical etching process.

LEE T, IM Y, KANG M H, NA J

Graphene oxide filler useful in polymer composite membrane, comprises surface modifier which is zwitterionic substances, and graphene oxide combined with surface modifier.

LEE J C, KONG S, SEO H

Metal-graphene hybrid material for arsenic adsorption and removal in soil, air, or water comprises sheet form of graphene oxide and calcium lanthanum sulfide doped on top of the graphene oxide for adsorbing arsenic.

PARK C, SUBBAIAH M P

Carbon monoxide adsorbent used for selectively adsorbing and producing high-purity gas, comprises element, sulfur, nickel supported on carbon-based support, activated carbon, graphene, graphite, and fullerene.

IL K S, KIM B S, CHANG T S, YOU Y, HEO I J, PARK J H, LEE J H, KIM S M

Producing graphene oxide composite electro-spinning nanofiber separation membrane for forward osmosis comprises dispersing graphene oxide in dimethylformamide, stirring dispersion with polyvinylidene fluoride, electro-spinning, and drying.

KIM I S, MOHAMED, SOL K Y

Manufacturing graphene sponge sheet used for e.g., negative electrode material, filter material and sensor by preparing slurry by mixing graphite powder and ground graphite powder or water containing graphite powder and drying slurry.

PARK Y

Manufacture of separator for e.g. wastewater treatment, involves coating solution containing base resin e.g. polysulfone, graphene, and polyfunctional compound, on polymer support, and processing coated support in coagulation bath.

LEE J S, YOOSANGCHEOL, OH Y

Separation membrane used for water treatment, comprises polymer support layer, and coating layer comprising graphene oxide in at least one base resin e.g. polysulfone, polyethersulfone, polyvinylidene fluoride, and polyacrylonitrile.

LEE J S, OH Y, LEE J

Graphene filter module for removing contaminants like industrial waste and sewage, and heavy metals from raw water of e.g. rivers and lakes, filters incoming water through outer membrane layer, graphene filter layer and inner membrane layer.

LEE J, KIM S, LEE M, HAN S, LEE J H, KIM S H, HAN S Y, JUNGHOON L, SANGHO K, SIN L M, SEONGEUNPARK, YOON S, LI Z, JIN X, LI M, HAN C