GENEVA, Dec. 8 -- SHANGHAI DIYANG CHEMICAL TECHNOLOGY CO., LTD. (Room 1607, No.1403 Minsheng Road, Pudong New AreaShanghai 200135), 上海迪阳化学技术有限公司 (中国上海市浦东新区民生路1403号信息大厦1607室) filed a patent application (PCT/CN2025/097201) for "PRODUCTION METHOD FOR HIGH-PURITY POLYMERIZATION-GRADE SUCCINIC ANHYDRIDE" on May 26, 2025. With publication no. WO/2025/247158, the details related to the patent application was published on Dec 04, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, w...