Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652344 | 2-amino-5-nitrothiazole derived monoazo disperse dyes | Kuan-Po Chu, Hung-Jen Chang | 1997-07-29 |
| 5527887 | Disazo acid dyestuffs for polyamide fibers applicable in neutral solution | Chen-Kung Chi, Hung-Jen Chang | 1996-06-18 |