国家/地区 中国（39） 美国（34） 世界知识产权组织（27） 日本（20） 韩国（19） 欧洲专利局（EPO）（16） 加拿大（8） 澳大利亚（7） 台湾（7） 印度（5） 西班牙（4） 新加坡（3） 巴西（2） 法国（2） 英国（2） 香港（2） 以色列（2） 墨西哥（2） 马来西亚（2） 波兰（2）
IPC部 B（63）
IPC大类 C01（63）
IPC小类 C01B（63）
IPC C01B032/19（63）
发明人 JANG B Z（5） CHANG T（4） LI H（4）
LIN B（4） WU T（4） ZHAMU A（4）
ZHANG Y（4） HERSAM M C（3） LIANG Y T（3）
LU Y（3） AHN B Y（2） CHAN C（2）
CHANG H（2） CHEN P（2） CHOU T（2）
公开年 2021（13） 2017（10） 2022（10） 2018（8） 2015（4） 2016（4） 2023（4） 2020（3） 2013（2）
申请年 2021（16）  2016（9）  2017（6）  2015（5）  2020（5）  2022（5）  2014（4）  2018（4）  2019（4） 
专利权人 NANOTEK INST.（5） TAIWAN TEXTI.（4） ALBEMARLE CO.（2） CENT NAT REC.（2）
GRAPHENE PLA.（2） GRAPHENE PLA.（2） KOBAYASHI H（2） NITRONIX INT.（2）
SHANGHAI NAT.（2） UNIV ANHUI（2） UNIV NORTHWE.（2） XU H（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

Preparing graphene quantum dot based on heterogeneous catalyst, comprises e.g. dispersing manganese dioxide particles in water, adding hydrogen peroxide and neutral graphene oxide solution into reaction solution, then adding hydrochloric acid and hydrogen peroxide, and post-processing.

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

Preparing graphene quantum dot involves modifying first graphene oxide, cutting into graphene quantum dot, dispersing graphene oxide into aqueous dispersion, adding ammonia water to dispersion to neutralize its acidity, and additionally adding ammonium chloride solution as an amine source.

GE M, LU Y, ZHANG F, CUI D

Graphene material used in substrate for sustained release of non-aqueous component, having specific total porosity and open porosity.

MURAMATSU K, TAKAHASHI K, IWATA H, SUTANI K, YABUMOTO H, IWATA E

Preparing nano-graphene used as plugging agent in oil-based drilling fluid, comprises reacting graphite, oxidant i.e. ammonium persulfate and intercalating agent i.e. concentrated sulfuric acid, reacting with concentrated sulfuric acid and oxidant i.e. potassium permanganate, and gas-stripping.

DAI F, LI W, HUANG D, XIE G, LUO P, LI D, BAI Y

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

Mixed solution of carboxyl graphene quantum dot includes preset amount of dispersant, adsorbent, carboxyl graphene quantum dot solution, and deionized water.

LEI B, TANG L, ZHAO P, PU X, WU M

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