国家/地区 中国（11） 韩国（3） 世界知识产权组织（3）
IPC部 C（15）
IPC大类 C01（15）
IPC小类 C01B（15）
IPC C01B032/194（15）
发明人
公开年 2023（15）
申请年 2022（7）  2021（6）  2023（2） 
专利权人

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

Preparing graphene heat-conducting silicone grease comprises e.g. adding graphite into ultrapure water, stirring, using mechanical stripping process to obtain graphene slurry, filtering to get filter cake, adding transfer solvent, stirring, and utilizing transfer solvent to wash graphene slurry.

MA Y, LI Y, FENG J, LI X, LIU H

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

Heating pad in heatable garment, comprises graphene particles dispersed in polymer matrix material, and electrically insulating covering layer bonded to heating pad and electrically insulating covering layer, overlaying and bonded to heating pad.

JONES E O, HOWE T H, SEYMOUR J

Preparing reduced graphene oxide/aluminum anticorrosive material for corrosion protection comprises e.g. dispersing graphene oxide in deionized water to obtain graphene oxide coating solution, evaporating solvent, heating, adhering to aluminum substrate, heat-treating and rolling.

GUAN R, YANG D, YANG Z, FAN L, ZHANG J

Preparing metal nitrogen-doped graphene quantum dot composite material useful e.g. for preparing ammonium perchlorate catalyst, by e.g. dissolving organic acid and organic amine in solvent, carrying out hydrothermal reaction, adding soluble metal salt, dialyzing, and freeze-drying.

YIN Z, WANG Y, JIANG L, FU X, XU J, NIE F

Tungsten bronze heat-insulating particles comprises tungsten bronze, and carbon material layer coated on surface of tungsten bronze, where carbon material layer includes graphene and carbon nanotubes.

YU Z, LU D, TANG X

Preparation of graphene-coated glass micro-powder used as phase change heat absorber, involves dispersing oxidized graphene in pure water, adding glass micro-powder, stirring, adding ammonium bifluoride solution, reacting, reducing oxidized graphene, washing generated gel, and drying.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparing modified graphene quantum dots involves mixing graphene oxide, hydrogen peroxide and N,N dimethylformamide, subjecting resulting dispersion to solvothermal reaction to obtain GQDs (graphene quantum dots), mixing GQDs, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride.

WU L, CAI F, CHEN G, GUO Y, ZHAO Q

Manufacturing heat dissipation sheet using graphene useful for electric or electromagnetic devices comprises preparing dispersion having graphene or graphene oxide, adsorbing metal salt to graphene or graphene oxide by adding metal salt.

JIN K