Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8383843 | Method for preparing a coumarin compound, chromene compound, and method for preparing a chromene compound | Jui-Chi Tsai, Sie-Rong Li, Po-Yuan Chen | 2013-02-26 |
| 7875735 | Processes for preparing isoflavonoids using 7-benzyloxy-3-(4-methoxyphenyl)-2H-1-benzopyran as a starting material | Sie-Rong Li | 2011-01-25 |
| 7875736 | Intermediate compounds and processes for the preparation of 7-benzyloxy-3-(4-methoxyphenyl)-2H-1-benzopyran | Sie-Rong Li | 2011-01-25 |