Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202796 | Branched polyethylene glycol epoxy derivative crosslinked sodium hyaluronate gel, preparation and application thereof | Zhen WEI, Xuan Zhao | 2021-12-21 |
| 11191870 | Gel of sodium hyaluronate cross-linked by polyethylene glycol epoxy derivative for injection and preparation method thereof | Zhen WEI, Xuan Zhao | 2021-12-07 |
| 11174239 | PEGylated thioxanthone photoinitiator and photosensitive resin composition | Hui Zhu, Xuan Zhao | 2021-11-16 |
| 11053185 | Dendritic polyethylene glycol derivative, and preparation method and application thereof | Hui Zhu, Xuan Zhao | 2021-07-06 |