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:
Oct. 18, 2022
Filed:
Oct. 21, 2019
Applicant:
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Inventors:
Toshihira Irisawa, Ibaraki, JP;
Hiroaki Hatori, Ibaraki, JP;
Yasushi Soneda, Ibaraki, JP;
Masaya Kodama, Ibaraki, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/18 (2006.01); D01D 5/06 (2006.01); D01F 9/24 (2006.01); D01F 6/74 (2006.01); D01F 9/00 (2006.01);
U.S. Cl.
CPC ...
D01F 9/24 (2013.01); D01F 6/74 (2013.01); D01F 9/00 (2013.01); D10B 2331/14 (2013.01);
Abstract
The present application provides methods for producing polybenzimidazole carbon fiber that does not require infusibilization treatment.