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. 12, 2019
Filed:
Jul. 23, 2014
Applicant:
Mitsubishi Rayon Co., Ltd., Chiyoda-ku, JP;
Inventors:
Assignee:
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F 9/32 (2006.01); B05B 1/14 (2006.01); F27B 9/28 (2006.01); D01D 10/02 (2006.01); F26B 21/00 (2006.01); D02J 13/00 (2006.01); B05B 1/34 (2006.01); D01F 9/22 (2006.01);
U.S. Cl.
CPC ...
D01F 9/32 (2013.01); B05B 1/14 (2013.01); B05B 1/3402 (2018.08); D01D 10/02 (2013.01); D01F 9/22 (2013.01); D02J 13/00 (2013.01); F26B 21/004 (2013.01); F27B 9/28 (2013.01); B05B 1/34 (2013.01); D10B 2101/12 (2013.01);
Abstract
A method for producing a flame-proofed fiber by performing a flame-proofing treatment on a carbon-fiber precursor fiber bundle with a heat treatment furnace including a gas supply blowout nozzle, including: