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:
Sep. 09, 2025
Filed:
May. 16, 2023
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Yasuyuki Sasada, Shizuoka, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/09 (2006.01); B32B 15/20 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
B32B 15/09 (2013.01); B32B 15/20 (2013.01); B32B 27/08 (2013.01); B32B 2250/03 (2013.01); B32B 2305/55 (2013.01);
Abstract
Provided are a polymer film having excellent adhesiveness with a substrate, and a laminate using the polymer film. The polymer film includes a layer A and a layer B on at least one surface of the layer A, in which the layer B contains a polymer having a dielectric loss tangent of 0.01 or less or 0.005 or less or a liquid crystal polymer, and a compound having a functional group, and the functional group is at least one group selected from the group consisting of a covalent-bondable group, an ion-bondable group, a hydrogen-bondable group, a dipole-interactable group, and a curing reactive group.