The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2022
Filed:
Oct. 17, 2018
Applicant:
Showa Denko K.k., Tokyo, JP;
Inventors:
Takeshi Igarashi, Tokyo, JP;
Tomoyuki Takei, Tokyo, JP;
Yu Gao, Tokyo, JP;
Masumi Kuritani, Tokyo, JP;
Assignee:
SHOWA DENKO K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M 11/74 (2006.01); C01B 32/05 (2017.01); C08J 5/06 (2006.01); D06M 101/40 (2006.01);
U.S. Cl.
CPC ...
D06M 11/74 (2013.01); C01B 32/05 (2017.08); C08J 5/06 (2013.01); D06M 2101/40 (2013.01);
Abstract
A carbon fiber is obtained by sequentially performing: a step (I) of dissolving a fullerene mixture including fullerenes Cand Cin an organic solvent to prepare a fullerene solution; a step (II) of immersing a material carbon fiber in the fullerene solution; and a step (III) of extracting the carbon fiber from the fullerene solution and drying the extracted carbon fiber.