国家/地区 美国（3） 世界知识产权组织（3） 中国（2） 韩国（2）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B032/158（7）
发明人 ATKINS C A（2） LINDEMANN G W（2） TARGETT M（2）
公开年 2021（3）
申请年 2019（2）  2020（2） 
专利权人 CARBON HOLDI.（2）

Producing graphene or carbon fiber involves extracting coal sample from location, performing spectral analysis on coal sample to detect hydrogen to carbon ratio of coal sample, concentration of contaminant in coal sample.

TARGETT M, LINDEMANN G W, ATKINS C A

Electromagnetic wave absorbing material used for removing electromagnetic wave noise, is prepared by covering surface of carbon material with carbon nanostructure having graphene, and carbon nanostructure does not contain metal element.

FURUBAYASHI H, MORI M, IKEDA T, KANO S

Producing reduced graphene oxide from coal by thermally processing coal, oxidizing thermally processed coal to form coal oxide, and forming reduced graphene oxide comprising impurity atoms from coal oxide.

ATKINS C A, LINDEMANN G W, TARGETT M

Preparing three-dimensional complex nano-carbon material comprises e.g. preparing graphene oxide by Hummers method, dispersing graphene oxide in water with ultrasonic waves, adding sodium hydroxide, and freeze-drying to obtain solid.

CHEN Z, DONG H, SUN J, LI N, ZHAO X

Mesh material used as sieve mesh for sieves, and as screen gauze for screen plates, comprises mesh fabric, and coating layer containing carbon nanotubes and/or graphene, formed on surface of mesh fabric.

YOSHIOKA Y, MOTOJIMA N, NAKAYAMA T

Preparation of carbon nanotube fibers used in e.g. production of transparent conductive film, involves preparing carbon nanotube aggregate from carbon source in presence of catalyst, contacting aggregate with graphene oxide, and fiberizing.

OH E G, KIM J E, LEE M J, LEE J H, KIM J H, KWON W J, LEE W J, LEE J K, OH E, KIM J, LEE M, LEE J, KWON W, LEE W

Production of graphene oxide/graphene/carbon nanotube composite fibers for forming e.g. electronic material, involves spinning graphene oxide/graphene/carbon nanotube dispersion solution into coagulating bath, and drying formed gel fibers.

PARK S Y, SHIN M K, KIM H J, YEO C S, CHO Y J, CHO K R