国家/地区 中国（2） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC D01F001/10（3） C01B032/19（2） C01B032/198（2）
发明人
公开年 2021（3）
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

Graphene melt-blown cloth useful in high-performance mask, comprises hydroxylated graphene, activated carbon containing hydroxy functional groups, antibacterial particles, and polypropylene materials.

SUN L, SHEN Y, ZHANG N

Nanofibers comprise reduced graphene oxide sheets or graphene oxide sheets overlapped back and forth along fiber axis, and size of reduced graphene oxide sheets or graphene oxide sheets curled along circumferential direction.

GAO C, WANG J