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:
Sep. 05, 2023
Filed:
Sep. 13, 2022
Applicants:
Teijin Limited, Osaka, JP;
Teijin Carbon Europe Gmbh, Wuppertal, DE;
Inventors:
Shuhei Yoshida, Osaka, JP;
Hidekazu Yoshikawa, Osaka, JP;
Yosuke Nakamura, Osaka, JP;
Hironori Kawamoto, Osaka, JP;
Takaya Suzuki, Osaka, JP;
Toru Kaneko, Osaka, JP;
Assignees:
TEIJIN LIMITED, Osaka, JP;
Teijin Carbon Europe GmbH, Wuppertal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 9/22 (2006.01); C08J 5/24 (2006.01);
U.S. Cl.
CPC ...
D01F 9/22 (2013.01); C08J 5/248 (2021.05); C08J 2300/22 (2013.01); C08J 2300/24 (2013.01);
Abstract
An object of the present invention is to provide a carbon fiber which exhibits excellent strength development rate when used in a composite material. The present invention that solves the problems is a carbon fiber which simultaneously satisfies the following formulae (1) and (2):≤3  (1)TS×>6.0×10  (2)