Chemicals
| Tue 19 May 2026
Beijing, May 19 -- Shandong Dacheng Biological Chemical has filed a patent application for Production Device and Preparation Method of Diethyl Isophthalate. This invention was developed by Peng Cheng, Lu Zhengsong, Zhang Meng, Xu Zijie, Zhang Panbo, Jia Haipeng, Guo Mengli, Chen Xiangyun, Zhang Jiayu, Zhou Xiaoqian, Kong Xianglo..