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:
May. 27, 2025
Filed:
Aug. 27, 2020
Toyobo Co., Ltd., Osaka, JP;
Masahiro Kuragaki, Otsu, JP;
Ai Koganemaru, Otsu, JP;
Yoshitaka Tanaka, Inuyama, JP;
Shigeyuki Watanabe, Otsu, JP;
TOYOBO CO., LTD., Osaka, JP;
Abstract
The invention provides a laminated body for fuel cell having an outer peripheral shape corresponding to an outer peripheral shape of a fuel battery cell and including a resin substrate film and a heat seal layer disposed on each of both surfaces of the resin substrate film, wherein the resin substrate film has a storage elastic modulus of 2,000-8000 MPa, an average thickness of 30-300 μm, a maximum value T1and a minimum value T1of a thickness of the resin substrate film that satisfies the relationship of T1−T1≤12 μm, and a maximum value T2and a minimum value T2of an average value of thicknesses of the resin substrate film that satisfies the relationship of T2−T2≤6 μm, and wherein the heat seal layer has an average thickness of 25-100 μm.