GENEVA, July 18 -- CHANGZHOU RUIHUA CHEMICAL ENGINEERING TECHNOLOGY CO., LTD. (Room 1718, No.398-1 Tongjiang Middle Road, Xinbei District,Changzhou, Jiangsu 213022), 常州瑞华化工工程技术股份有限公司 (中国江苏省常州市新北区通江中路398-1号1718室) filed a patent application (PCT/CN2024/144640) for "DEVICE AND METHOD FOR OBTAINING MALEIC ANHYDRIDE FROM GAS PHASE CONTAINING MALEIC ANHYDRIDE" on Dec 31, 2024. With publication no. WO/2025/148766, the details related to the patent application was published on Jul 17, 2025.
Notably, the patent applicatio...