Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835213 | Compounds for hair coloring compositions | Mu-Ill Lim | 2004-12-28 |
| 6806372 | Coupler for use in oxidative hair dyeing | Mu-Ill Lim, Yuh-Guo Pan | 2004-10-19 |
| 6703526 | Coupler for use in oxidative hair dyeing | Mu-Ill Lim, Yuh-Guo Pan | 2004-03-09 |