国家/地区 美国（5） 欧洲专利局（EPO）（4） 世界知识产权组织（4） 日本（3） 韩国（3） 澳大利亚（2） 中国（2） 印度（2）
IPC部 C（6）
IPC大类 D01（6）
IPC小类 D01F（6） C01B（5） C10C（3）
B82Y（2） D01D（2）
IPC D01F009/15（6）
发明人 TARGETT M（3） ATKINS C A（2） YURCHICK C L（2）
公开年 2021（4） 2022（2）
申请年 2021（6）
专利权人 CARBON HOLDI.（3） RAMACO CARBO.（2）

Manufacture of carbon fibers used for textile applications, involves mixing polycyclic aromatic compound residue composition to obtain dispersion, preparing pitch by applying electromagnetic waves, melt-spinning pitch to obtain spun fiber, and carbonizing spun fiber.

KIM S, YANG K S, JUNG H J, JOO K H

Producing carbon fiber, where carbon fiber is used in variety of composite materials, involves subjecting raw coal to liquefaction process to form pitch or pitch resin, refining pitch or pitch resin to produce mesophase pitch.

YURCHICK C L, ATKINS C A, TARGETT M

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

Producing magnetic carbon nanomaterial used in e.g., medical applications by heating electrolyte media, positioning the molten electrolyte media between anode and cathode of electrolytic cell and introducing a magnetic additive component.

LICHT S

Pitch-based ultrafine carbon fiber comprises specific nitrogen atom content measured by X-ray photoelectron spectroscopy, and has specified average fiber diameter and true density.

YAGI K, KOMURA S, HIRAKAWA R