GENEVA, April 19 -- DOOSAN CORPORATION (275 Jangchungdan-roJung-guSeoul 04563), 주식회사 두산 (서울특별시중구장충단로 275), IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) (222 Wangsimni-ro,Seongdong-gu,Seoul 04763), 한양대학교 산학협력단 (서울특별시성동구왕십리로 222) filed a patent application (PCT/KR2025/015997) for "POLYMER ELECTROLYTE PRECURSOR COMPOSITION, POLYMER ELECTROLYTE, AND LITHIUM SECONDARY BATTERY" on Oct 13, 2025. With publication no. WO/2026/079928, the details related ...