Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512421 | Polyurethane derivatives, composition thereof and dye additives comprising the polyurethane derivatives | Hsin-Ying Lu, Sheue-Rong Lee, Tzu-Heng KO, Der-Gun Chou | 2013-08-20 |