GENEVA, May 9 -- WANHUA CHEMICAL GROUP CO., LTD. (No. 59, Chongqing Street, Yeda,Yantai, Shandong 264006), 万华化学集团股份有限公司 (中国山东省烟台市经济技术开发区重庆大街59号) filed a patent application (PCT/CN2025/080617) for "METHOD FOR REDUCING IMPURITIES CONTAINED IN ACETALDEHYDE FEED STREAM DURING PRODUCTION OF 1,3-BUTANEDIOL PRODUCT" on Mar 05, 2025. With publication no. WO/2026/091356, the details related to the patent application was published on May 07, 2026.
Notably, the patent application was submitted under the International Patent Classi...