国家/地区 中国（6） 世界知识产权组织（3） 韩国（2）
IPC部 B（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C01B032/194（9）
发明人
公开年 2023（9）
申请年 2021（4）  2022（4） 
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

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 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

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

Production device of heavy anti-corrosion coating comprises mixing tank provided with mixing chamber, multifunctional base provided with magnetic unit and ultrasonic unit, where mixing tank and control box are installed on stirring tank, and feeding tank installed on stirring tank.

ZHANG Z, LI T, MA J

Producing nanosheet dispersion comprises reducing interlayer bonding strength by adding two-dimensional material having layered structure into solution containing aionic material and forming covalent bond by entering between layers.

NOHYONGYOUNG, KIM H J, KIM H, NOH Y Y, LU R

Preparing graphene nanofluids by microwave-coupled ultrasonic one-step method comprises immersing graphene precursor in solvent, pre-mixing, placing mixture in microwave reactor with ultrasonic function, carrying out microwave heating liquid phase exfoliation and adjusting appropriate pH.

QI G, GUO S, CHENG S

Use of polyalkylene oxides which have aromatic radical as dispersant for graphene material.

LEHMANN K, SCHUMANN S, LEICH V, BREUERS V, HOENIG J, HELLMANN L, HOVEN T, SEIDENSTICKER P