Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562968 | Method of purifying tetrodotoxin | Maoqing Zhou | 2003-05-13 |
| 6559154 | Composition of sodium channel blocking compound | Yuhong Kang | 2003-05-06 |
| 6552191 | Method of extracting tetrodotoxin | Maoqing Zhou | 2003-04-22 |