Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512421 | Polyurethane derivatives, composition thereof and dye additives comprising the polyurethane derivatives | Hsin-Ying Lu, Tzu-Heng KO, Hsiang-Lin Chiang, Der-Gun Chou | 2013-08-20 |
| 7387647 | Dye composition and the use thereof | Huei-Chin Huang, Sheena Lee, Bao-Kun Lai, Cheng-Hsiang Hsu, Ya-Chi Tseng | 2008-06-17 |
| 7052521 | Dye composition and the use thereof | Huei-Chin Huang, Hsiao-San Chen | 2006-05-30 |
| 5611821 | Black reactive dye composition | Huei-Chin Huang | 1997-03-18 |