国家/地区 美国（3）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/184（4）
发明人 ATKINS C A（3） LINDEMANN G W（3） TARGETT M（2）
公开年 2021（2）
申请年 2020（2） 
专利权人 CARBON HOLDI.（3）

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

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

Forming life science device comprises extracting amount of graphene from coal and forming.

ATKINS C A, LINDEMANN G W

Preparing multi-element doped graphene fiber by injecting graphene oxide solution in coagulation bath using wet spinning method, gelatinizing, precipitating graphene oxide and performing reduction treatment, calcining and carbonizing.

XIAO F, XU Y, ZHANG Y, ZHAO A