GENEVA, June 17 -- SUMITOMO CHEMICAL COMPANY, LIMITED (2-7-1, Nihonbashi, Chuo-ku, Tokyo1036020), 住友化学株式会社 (東京都中央区日本橋二丁目７番１号) filed a patent application (PCT/JP2024/042110) for "METHOD FOR PRODUCING AROMATIC POLYSULFONE" on Nov 28, 2024. With publication no. WO/2025/121238, the details related to the patent application was published on Jun 12, 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): MUTO Koichiro (c/o SUMITOMO CHEMICAL...