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. 05, 2023
Filed:
Jun. 09, 2021
Applicant:
Toyobo Co., Ltd., Osaka, JP;
Inventors:
Kaya Tokuda, Otsu, JP;
Tetsuo Okuyama, Otsu, JP;
Satoshi Maeda, Otsu, JP;
Naoki Watanabe, Otsu, JP;
Harumi Yonemushi, Otsu, JP;
Denichirou Mizuguchi, Otsu, JP;
Assignee:
TOYOBO CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 37/02 (2006.01); B32B 7/022 (2019.01); B32B 7/06 (2019.01); B32B 9/04 (2006.01); B32B 27/28 (2006.01); B32B 38/10 (2006.01); B32B 37/00 (2006.01);
U.S. Cl.
CPC ...
B32B 37/02 (2013.01); B32B 7/022 (2019.01); B32B 7/06 (2013.01); B32B 9/045 (2013.01); B32B 27/281 (2013.01); B32B 38/10 (2013.01); B32B 2037/0092 (2013.01); B32B 2307/306 (2013.01); B32B 2307/51 (2013.01); B32B 2307/538 (2013.01); B32B 2307/748 (2013.01); B32B 2457/00 (2013.01);
Abstract
The invention provides a multilayer body of an inorganic substrate and a highly heat-resistant film, wherein the surface of the inorganic substrate is sufficiently smooth after removal of the highly heat-resistant film from the multilayer body, and the inorganic substrate is re-usable. The multilayer body uses substantially no adhesive and is characterized by