Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518038 | Condensation product of theanine derivative and carboxylic acid coumarin derivative, its intermediate, preparation method and use thereof | Guoying Zhang, Ying Zhang, Guohua Zhang | 2016-12-13 |