国家/地区 世界知识产权组织（4）
IPC部 D（4）
IPC大类 D01（4）
IPC小类 D01D（4）
IPC D01D005/00（2） D01F001/10（2） D04H001/728（2）
发明人
公开年 2021（3）
申请年 2021（4）
专利权人

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M

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 physiotherapy elbow pad has main control unit which connect graphene heating filaments and temperature control module, and controls graphene heating filaments, and main power supply that is connected to main control unit.

FAN C, QIAN Y, YAN Z, SONG J, WANG M

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