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:
Jul. 18, 2023
Filed:
Sep. 14, 2020
Applicants:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute, JP;
Inventors:
Takuya Morishita, Nagakute, JP;
Mamiko Narita, Nagakute, JP;
Makoto Mouri, Nagakute, JP;
Yoshihiro Kikuzawa, Nagakute, JP;
Hideyasu Kawai, Toyota, JP;
Nozomu Shigemitsu, Nissin, JP;
Assignees:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Nagakute, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 9/22 (2006.01); C04B 14/38 (2006.01);
U.S. Cl.
CPC ...
D01F 9/225 (2013.01); C04B 14/386 (2013.01); D10B 2101/12 (2013.01);
Abstract
A method of producing a stabilized fiber, including performing a heat treatment on an acrylamide polymer fiber under an oxidizing atmosphere in a stabilization treatment temperature range of 200° C. to 500° C. while applying a tension of 0.07 mN/tex to 15 mN/tex.