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:
Jan. 16, 2018
Filed:
Sep. 19, 2013
Applicant:
Kaneka Corporation, Osaka-shi, Osaka, JP;
Inventors:
Satoshi Katayama, Settsu, JP;
Yusuke Ohta, Settsu, JP;
Takashi Inada, Settsu, JP;
Makoto Kutsumizu, Settsu, JP;
Yasushi Nishikawa, Settsu, JP;
Assignee:
KANEKA CORPORATION, Osaka-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/02 (2006.01); C01B 31/04 (2006.01); B32B 18/00 (2006.01); C04B 35/52 (2006.01); C04B 35/524 (2006.01); C04B 35/622 (2006.01); C01B 32/05 (2017.01); C01B 32/20 (2017.01);
U.S. Cl.
CPC ...
C01B 31/04 (2013.01); B32B 18/00 (2013.01); C01B 32/05 (2017.08); C01B 32/20 (2017.08); C04B 35/522 (2013.01); C04B 35/524 (2013.01); C04B 35/62218 (2013.01); C04B 2235/6562 (2013.01); C04B 2235/9607 (2013.01); C04B 2237/363 (2013.01);
Abstract
There has been a problem that wrinkles easily occur on a carbonaceous film produced by the use of a continuous production method and on a graphite film obtained by heat-treating the carbonaceous film. In the present invention, heating treatment is carried out on a polymeric film while applying pressure to the polymeric film in the film thickness direction with the use of a continuous carbonization apparatus. This makes it possible to obtain a carbonaceous film and a graphite film in which wrinkling is reduced.