	US 12,281,014 B2
	Fibrous carbon nanostructure and method of producing surface-modified fibrous carbon nanostructure
Osamu Kawakami, Tokyo (JP)
Assigned to ZEON CORPORATION, Tokyo (JP)
Appl. No. 17/757,315
Filed by ZEON CORPORATION, Tokyo (JP)
PCT Filed Dec. 15, 2020, PCT No. PCT/JP2020/046810 § 371(c)(1), (2) Date Jun. 14, 2022, PCT Pub. No. WO2021/131920, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. 2019-239801 (JP), filed on Dec. 27, 2019.
Prior Publication US 2022/0371895 A1, Nov. 24, 2022
Int. Cl. B32B 9/00 (2006.01); C01B 32/159 (2017.01); C01B 32/174 (2017.01); B82Y 30/00 (2011.01)

CPC C01B 32/174 (2017.08) [C01B 32/159 (2017.08); B82Y 30/00 (2013.01); C01B 2202/02 (2013.01); Y10T 428/30 (2015.01)]

7 Claims

1. A fibrous carbon nanostructure comprising a carbon nanotube, having an amount of localized electrons of 1.0×10¹⁷/g or more as determined by electron spin resonance measurement at a temperature of 10 K, and having a G/D ratio of G band peak intensity relative to D band peak intensity in a Raman spectrum of not less than 0.5 and not more than 5.0.