国家/地区 美国（5） 欧洲专利局（EPO）（3） 世界知识产权组织（3） 中国（2）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B032/20（6）
发明人 ATKINS C A（2） LINDEMANN G W（2） TARGETT M（2）
公开年 2021（3）
申请年 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

Cellulose composite material useful e.g. in dyes, electronics, optoelectronics and transistors, comprises type I cellulose fibers comprising cellulose nanocrystals and/or cellulose nanofibers, and carbon material comprising carbon nanotubes, carbon nanofibers, graphene and/or graphene oxide.

PEREZ JIMENEZ R, ALONSO LEMA B, ECEIZA MENDIGUREN M A, ALONSO LERMA B

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

Fabricating high-performance carbon fiber, comprises making graphene carbon fiber composition by mixing composition including one of e.g. rayon-based carbon fiber to fabricate carbon fiber and graphene powder, and heating composition.

LEE J K, CHOI W K

Graphene dispersant used in e.g. preparation of graphene composite powder, and graphene composite film, comprises polyaniline oligomer or derivative which is electroactive polymer, and combines with graphene via pi-pi bond.

DAI L, GU L, YU H, ZHENG Y, MA J, ZHAO H, LIU S, DING J

Viscose fiber comprises graphene and viscose cellulose, and is prepared by hydrolyzing corn cob in aqueous solution of inorganic acid, to obtain lignocellulose, and then heating mixture.

GAO S, JIANG C, SUN Z, TANG Y, TIAN W, XU R, ZHANG J, JIANG CH, GAO SH, SUN ZH