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:
Dec. 23, 2025
Filed:
Oct. 14, 2022
Applicants:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventors:
Mamiko Narita, Nagakute, JP;
Mitsumasa Matsushita, Nagakute, JP;
Takuya Morishita, Nagakute, JP;
Natsu Sakakura, Nagakute, JP;
Akira Kunitomo, Toyota, JP;
Nozomu Shigemitsu, Toyota, JP;
Assignees:
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Nagakute, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 9/21 (2006.01); C01B 32/05 (2017.01); D01F 6/28 (2006.01); D06M 15/643 (2006.01); D06M 101/26 (2006.01);
U.S. Cl.
CPC ...
D01F 9/21 (2013.01); C01B 32/05 (2017.08); D01F 6/28 (2013.01); D06M 15/6433 (2013.01); D06M 2101/26 (2013.01);
Abstract
The carbon fiber precursor fiber of the disclosure includes an acrylamide-based polymer fiber; and a self-crosslinked product of a self-crosslinking silicone oil on a surface of the acrylamide-based polymer fiber.