GENEVA, Dec. 23 -- SUMITOMO SEIKA CHEMICALS CO., LTD. (346-1, Miyanishi, Harima-cho, Kako-gun, Hyogo6750145), 住友精化株式会社 (兵庫県加古郡播磨町宮西３４６番地の１) filed a patent application (PCT/JP2025/020481) for "ADDITIVE-CONTAINING POLYMER AND VISCOUS COMPOSITION" on Jun 06, 2025. With publication no. WO/2025/258502, the details related to the patent application was published on Dec 18, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s)...