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:
Apr. 14, 2026
Filed:
Nov. 20, 2020
Entek Asia Inc, Gifu, JP;
Shoji Sugiyama, Fuwa-gun, JP;
Masayasu Wada, Fuwa-gun, JP;
ENTEK ASIA INC, Fuwa-gun, JP;
Abstract
[Problem] To provide an optimum separator that simultaneously has basic physical properties essential for the characteristics of a separator for valve-regulated lead acid batteries and liquid absorbability while taking into account the improvement of the battery capacity and battery life and the good battery assembly performance. [Solution] The aspect ratio (average fiber length/average fiber diameter) of a glass fiber in a separator is 130 to 205, the tensile strength of the separator is 0.20 N/mmor more, and the elongation percentage at break of the separator is 2.0% or more and less than 9.0%.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile