国家/地区 中国（5） 日本（4） 韩国（3） 美国（2） 世界知识产权组织（2）
IPC部 C（12） B（7） A（3）
G（2） H（2）
IPC大类 C01（12）
IPC小类 C01B（12）
IPC C01B032/182（12）
发明人 CHOI Y S（2）
公开年 2022（12）
申请年 2022（7）  2021（4） 
专利权人 MAJOONGMUL C.（2）

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 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

Soluble graphene quantum dot used in light-emitting material and organic light-emitting device, comprises anthracenyl N-alkyl maleimide functional group at edge.

SHIN H, NIU W, MUELLEN K, LIU J, WU F, FENG X, KIM S, LIANG P, WHOOPENG, MULLEN K, WENHUI N, SHIN H J

Manufacturing food packaging material e.g. for fruit, comprises e.g. blending graphene raw material and polyethylene, extruding graphene-containing polyethylene pellets processed into film processing facility.

CHOI Y S

Material used for forming light-control film, comprises graphene-like carbon material which is surface modified by functional groups, having preset ratio of height of peak derived from functional group and height of reference peak derived from carbon hexagonal network surface of carbon material.

FUKUI H, HAINO T, SEKIYA R

Manufacture of food packaging container for food and beverage, involves preparing raw material by blending graphene raw material based on polyethylene, melt-extruding blend, cooling, cutting, melting, injecting into mold, and molding into food packaging container.

CHOI Y S

Preparing graphene quantum dot comprises e.g. dissolving Congo red in deionized water to obtain Congo red aqueous solution, flashing aluminum hydroxide to obtain activated alumina, adding activated alumina to Congo red aqueous solution, mixing, and placing mixed sample in oven for drying.

ZU H, SHEN Z, DONG L

Preparing graphene heat conducting film comprises transmitting the filter film from the outside to the vacuum box, spraying the graphene slurry to the surface of the filter film, heating the graphene heat conducting film, and rolling the graphene heat conducting film.

ZHANG B, HAN D, NIU L, CHEN L

Graphene aerogel film used for preparing flexible graphene aerogel phase-change intelligent film, has densified and anisotropic three-dimensional porous network structure, that includes layered structure, membrane structure and ordered honeycomb-shaped pore structure, and layered structure.

LI G, ZHANG X

Graphene dispersion used for lithium-ion battery positive electrode, contains graphene, (meth) acrylic polymer having hydroxy group, and dispersion medium.

KATO T, TAKEUCHI T, KATASE I, TAMAKI E