Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10434182 | Eight-arm polyethylene glycol derivative, production method therefor, and modified bio-related substance thereof | Wengui WENG, Chao Liu, Ce Yan, Chun Zhou | 2019-10-08 |