国家/地区 韩国（6） 中国（4） 世界知识产权组织（2）
IPC部 C（15） B（8） H（4）
IPC大类 C01（15） C09（4） B01（3）
H05（3） B82（2）
IPC小类 C01B（15）
IPC C01B032/19（15）
发明人 CHOI S（2） KWON H J（2） SONG J（2）
YUMINSOOK（2）
公开年 2023（15）
申请年 2021（15）
专利权人 PURE MANN IN.（2）

Preparing magnetic fluorescent graphene, involves grinding graphite flakes and stainless steel needles magnetically, oxidizing with concentrated nitric acid and concentrated sulfuric acid, then ultrasonicating, calcining, dissolving in deionized water, suction filtering, dialyzing, and freeze-drying.

SONG Z, LI J, LIU Y, ZHAO Z, ZHANG B

Use of graphene nanoplatelets reinforced chitosan scaffolds for intracellular delivery of biomolecules, such as drug delivery, dye delivery and genetic material delivery under exposure of nanosecond pulsed laser mediated optoporation.

SANTRA T S, KAR S, GUPTA P

Production of silver particle-graphene composite material used for heating device, involves adding N-methyl-2-pyrrolidone, and stirring, exfoliating and dispersing wet graphite to preparing graphene-containing composition, adding silver particles, and exfoliating and dispersing.

LIM K, NOH C, IMKIHYUN, ROH C

Producing graphene made by exfoliating graphite comprises e.g. preparing dispersion solution, preparing graphite slurry by mixing dispersed aqueous solution and expanded graphite, and exfoliating.

PARK S C, YUN J H, KIM Y S

Preparing graphene comprises mixing and stirring expanded graphite powder with hydrogen peroxide, then degassing, performing ultrasonic peeling, heating to decompose hydrogen peroxide, and then drying to obtain graphene.

LIANG Y

Producing graphene, comprises exfoliating graphene by applying voltage to working electrode and counter electrode installed in electrolyte solution to which antioxidant or reducing agent is added.

YOO H, HAN S Y

Graphene airgel has inner portion with radial-like orientation structure, is prepared by directional freezing graphene oxide aqueous solution placed into hollow copper mold under low-temperature condition.

DING Y, ZHANG X, YANG J, TIAN L, DONG S

Coating Layer for substrate includes graphene and or graphene derivatives that reflect and or adsorb an electromagnetic wave.

IZOR E, ITO S, OKUMURA R, JOSHI Y, ZAMANI S, GUPTA N, JOO Y L

Explosive puffing reactor for preparation of porous materials, has valve unit that is connected to other end of flow path unit to control gas flow inside case unit, and nozzle unit connected to valve unit and discharging gas to outside.

SEON A H, SHIM K

Heat dissipation adhesive sheet useful in electronic components e.g. semiconductors, or PC boards comprise metal thin film layer formed on lower surface of heat dissipation layer, and adhesive layer on metal thin film layer.

HUN L S, SONG J, KWON H J, CHOI S, YUMINSOOK, YOUK S K