国家/地区 美国（2）
IPC部 C（3） D（2）
IPC大类 C01（3） C08（2） C10（2）
D01（2）
IPC小类 C01B（3）
IPC C01B032/50（3）
发明人 TARGETT M（2）
公开年 2021（3）
申请年 2021（3）
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

Processing coal, comprises e.g. subjecting raw coal to liquefaction process effective to form pitch resin, and subjecting the pitch resin to variable crystallinity spinning process effective to form raw fiber.

TARGETT M, YURCHICK C L

Preparing carbon dioxide by purifying liquid carbon dioxide comprises transferring liquid carbon dioxide to high-purity liquid carbon dioxide purification device, subjecting to purification testing, pressurizing and filling in vacuum bottle.

LU X, LIU G, DENG X