INTERNATIONAL PATENT: WANHUA CHEMICAL GROUP CO., LTD., 万华化学集团股份有限公司 FILES APPLICATION FOR "DAM PREPARATION METHOD BENEFICIAL TO REDUCING CONTENT OF DIPHENYLMETHANE DIAMINE"

GENEVA, July 7 -- WANHUA CHEMICAL GROUP CO., LTD. (No.59, Chongqing Street, Yantai Economic and Technological Development ZoneYantai, 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/CN2023/141733) for "DAM PREPARATION METHOD BENEFICIAL TO REDUCING CONTENT OF DIPHENYLMETHANE DIAMINE" on Dec 26, 2023. With publication no. WO/2025/137842, the details related to the patent application was published on Jul 03, 2025.

Notably, the patent application was submitted under the International ...