Pharmaceutical
| Wed 29 Apr 2026
Munich, April 29 -- Chongqing Upgra Biotechnology Co Ltd has submitted a patent application for Polyethylene Glycol Drug, and Preparation Method Therefor and Use Thereof. This invention was developed by Li Gaoquan, Liu Nian, Mei Gang, Peng Yongchen, Gao Yang, Peng Yuanyuan, Chen Huiyu, Lou Jie, Zeng Xiafan, Li Miao, Liu Jing, Hu..