国家/地区 中国（15） 世界知识产权组织（7） 美国（6） 欧洲专利局（EPO）（5） 日本（5） 印度（4） 韩国（4） 澳大利亚（2） 加拿大（2） 台湾（2）
IPC部 B（16）
IPC大类 B82（16）
IPC小类 B82Y（16）
IPC C01B032/196（16）
发明人 LI W（2） LIU X（2） LIU Y（2）
SUN X（2） WANG X（2）
公开年 2021（5） 2017（3） 2016（2） 2018（2）
申请年 2021（4）  2016（3）  2018（2） 
专利权人

Preparing magnetic graphene quantum dot for preparing imaging contrast agent and in-vitro diagnostic probe, involves subjecting ferrous ascorbate aqueous solution to hydrothermal reaction, where contrast agent is nuclear magnetic resonance-fluorescence double-mode enhanced imaging contrast agent.

XIE X, DING G, DONG H, YANG S, LI Y

Recycling of nano-carbon material used in e.g. petroleum industries, involves placing magnesium-based composite material in crucible, heating, solidifying, soaking ingot in aqueous solution, drying and filtering.

WANG X, LI X

Purifying water-dispersible carbon nanomaterial by adding sample of carbon nanomaterial flat-bottomed flask, adding potassium dichromate and sulfuric acid, heating, filtering dark green solution, drying carbon nanotubes, adding carbon nanomaterials to inorganic salt/alkali solution and centrifuging.

ZHAO F, XIE Y, WANG Z, YUAN Y

Preparing blue fluorescent graphene quantum dots with reactive red for detecting metal ion aluminum cation in aqueous solution, by placing organic dye reactive red 2 in hydrothermal reaction kettle and hydrothermal reacting.

LIU X, HUANG W, CHEN W, SHEN J

Preparing cell nucleus self-targeting fluorescent probe useful e.g. in the field of bioimaging technology comprises dispersing 1,5-diaminonaphthalene, ethanol and chloroform to obtain reaction liquid, reacting, cooling and filtering.

LI W, REN G, LIU Y, XU Y, JIANG N, SUN X

Producing graphene oxide and reduced graphene oxide nanostructured materials used as raw material or nanofiller in chemical technical applications, involves selecting and preparing equipment and reagents.

HERNANDEZ SANCHEZ D, MATA CRUZ I

Pinewood-based graphene quantum dot used e.g. in cell fluorescence probes, is prepared by hydrothermally carbonizing using pinewood, centrifuging and dialyzing to separate and purify graphene quantum dots, and freeze-drying solid powder.

SONG X, ZHAO S, CHAI X, LIU Z, HE H, WU M

Ultra-small blue-green double-emitting nitrogen- and chlorine-doped graphene quantum dot prepared by e.g. dissolving citric acid and 1,2,4-triaminobenzene dihydrochloride in deionized water, stirring and reacting.

YANG L, SUN X, WEI M, LIU X, LIU H, YANG W

Separating and purifying graphene quantum dots by using a molecular sieve comprises e. g. mixing the initial graphene quantum dot solution and the molecular sieve to obtain a reactant, centrifuging the reactant and adding desorbing agent.

CHEN A, LIU Y, QI P, WANG K, WANG X

System for processing of carbonaceous compositions, has tank agitator configured to agitate graphene oxide in tank after graphene oxide is transferred to tank, where reaction system transfers graphene oxide from reaction vessel to tank.

LAINE S