Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461391 | Primary intermediates for oxidative coloration of hair | Yuh-Guo Pan | 2002-10-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461391 | Primary intermediates for oxidative coloration of hair | Yuh-Guo Pan | 2002-10-08 |