GENEVA, Dec. 16 -- 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/JP2025/018525) for "POLYIMIDE-BASED RESIN, POLYAMIC ACID RESIN, POLYAMIC ACID RESIN COMPOSITION, CURED FILM OF POLYAMIC ACID RESIN COMPOSITION, AND SEMICONDUCTOR PACKAGE" on May 22, 2025. With publication no. WO/2025/253919, the details related to the patent application was published on Dec 11, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is manage...