GENEVA, Nov. 4 -- TEIJIN LIMITED (2-4, Nakanoshima 3-chome, Kita-ku, Osaka-shi, Osaka5300005), 帝人株式会社 (大阪府大阪市北区中之島三丁目2番4号) filed a patent application (PCT/JP2025/015320) for "LITHIUM SECONDARY BATTERY, SEPARATOR FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR SUPPRESSING POROSITY OF NEGATIVE ELECTRODE" on Apr 18, 2025. With publication no. WO/2025/225539, the details related to the patent application was published on Oct 30, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual...