Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518728 | Multi-arm single molecular weight polyethylene glycol, active derivative thereof, and preparation and application thereof | Zhen WEI, Meina Lin | 2022-12-06 |
| 11359089 | Method for preparing Y-branched hydrophilic polymer carboxylic acid derivative | Xiaomeng Chen, Meina Lin, Rujun Zhang | 2022-06-14 |
| 11220559 | Composition of polyethylene glycol maleimide derivative and polymerization inhibitor | Hui Zhu, Meina Lin, Zhen WEI | 2022-01-11 |