ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,106, issued on Aug. 25, was assigned to Mitsubishi Chemical Corp. (Chiyoda-ku, Japan).

"Partition member and assembled battery" was invented by Tatsuhiko Honda (Chiyoda-ku, Japan), Tomohiro Kawai (Chiyoda-ku, Japan) and Naoto Maru (Chiyoda-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A partition member includes an encapsulated body capable of retaining a liquid and an outer package body having an internal space for accommodating the liquid and the encapsulated body in a sealed state. The ratio of a water absorption rate 2 to a water absorption rate 1, [water absorption rate 2]/[water absorption rate 1], is at least 0.4. The water absorpt...