国家/地区 中国（17） 韩国（6） 美国（6） 世界知识产权组织（5） 日本（2）
IPC部 C（28）
IPC大类 C01（28）
IPC小类 C01B（28）
IPC C01B032/19（28）
发明人 CHANG T（2） CHEN J（2） CHEN W（2）
CHOI S（2） KWON H J（2） LI H（2）
LI J（2） LIN B（2） LIU Y（2）
LUO Y（2） MENG Q（2） PEI X（2）
SONG J（2） WANG F（2） WANG Z（2）
公开年 2021（13） 2022（11） 2023（4）
申请年 2021（28）
专利权人 PURE MANN IN.（2） SINOSTEEL NA.（2） TAIWAN TEXTI.（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

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

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

Heat dissipation graphite sheet useful in producing mobile phones and thin portable products comprise heat dissipation layer containing urethane resin, and expanded graphite particles applied to one surface of graphite layer.

KIMTAEHAN, KWON H J, CHOI S, SHIM Y, SONG J, YUMINSOOK

Method for concomitantly protecting aqueous resin against damage caused by ultraviolet radiation and risk of static electricity accumulation, used in aqueous coating or paint composition, involves using graphene sheets whose surfaces are modified by chemical insertion of amino acid-derived groups.

LOPES BARROS DE ARAUJO P, DE ARAUJO E S, SANTANA DE LIMA T B, DINIZ F L J

Heat dissipation sheet comprises e.g. graphite layer, primary graphene layer stacked on one side of graphite layer with primary adhesive layer interposed there between and secondary graphene layer stacked with secondary adhesive layer.

PARK J, YOUNG C, CHOI C Y, PARK J U, CHOI C, PIAO Z

Method for preparing composition useful in car wax composition comprises providing liquid precursor comprising graphene and silica mixed in organic solvent and passing precursor through orifice comprising metal cylinder and flat metal plate.

SCHULTZ M A

Electrolyte composition used for exfoliation of graphite for graphene for conductive ink for 3-dimensional printing and supercapacitor, comprises quaternary ammonium salt, another quaternary ammonium salt, and electrolyte solvent.

LU J, LI J, WANG F

Preparing controllable graphene by using an electrode and magnetic field to adjust ion intercalation, involves placing electrolytic device in room temperature environment and then graphite sheet is placed distance as electrolytic electrode.

CAO D, TIAN W, LIU Y

Preparing high-purity graphene by electrolysis comprises e.g. replacing electrolyte with weak alkaline electrolyte C, energizing, dissolving precipitation D in organic solvent, ultrasonically treating, centrifuging, washing upper layer with deionized water suction filtration and drying.

PEI X, LUO Y, WANG F, XU C, CHEN W, CHEN J