国家/地区 世界知识产权组织（2）
IPC部 D（2）
IPC大类 D01（2） D04（2）
IPC小类 D01D（2）
IPC D01F001/10（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

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

Sheath-core structure fiber used for preparing infrared stealth and radar stealth material, preferably needle felt, comprises paraffin wax, electromagnetic wave absorber comprising ferroferric oxide intercalated graphene oxide, nano-ferroferric oxide, and/or carbon black, and high molecular polymer.

YE W, ZHANG X, SUN Q, LONG X, GAO Q, JI T