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:
Oct. 28, 2025
Filed:
Feb. 07, 2020
Nippon Kodoshi Corporation, Kochi, JP;
Masahiro Kuroiwa, Kochi, JP;
Kenta Morimoto, Kochi, JP;
Norihiro Wada, Kochi, JP;
Naoya Kawazawa, Kochi, JP;
NIPPON KODOSHI CORPORATION, Kochi, JP;
Abstract
A separator for alkaline batteries, which exhibits excellent strength, dimensional stability and chemical stability in an electrolyte solution, while having high shielding properties, high liquid holding properties and low resistance. A separator for alkaline batteries, which is used for the purpose of separating a positive electrode active material and a negative electrode active material from each other, and holding an electrolyte solution, and which is obtained by stacking and integrating a fiber layer A that has a density of 0.52-0.62 g/cmand a thickness of 25-35 μm and a fiber layer B that has a density of 0.40-0.50 g/cmand a thickness of 25-35 μm, so that the entirety of the separator has a density of 0.45-0.57 g/cmand a thickness of 50-70 μm.