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. 24, 2024
Filed:
Feb. 22, 2022
Applicant:
Toyobo Co., Ltd., Osaka, JP;
Inventors:
Assignee:
TOYOBO CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 17/10 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/281 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); B32B 2307/538 (2013.01); B32B 2457/00 (2013.01);
Abstract
An inorganic substrate/polymer film laminate with an attached protective film that allows for easy individual removal even when stored in a stacked state for a long period of time is provided. A first laminate is characterized by including an inorganic substrate, a polymer film layer and a first protective film, in that order, wherein the surface roughness Ra of the surface of the inorganic substrate opposite of the polymer film layer is 0.02-1.2 μm.