Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212289 | Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid compounds with pyridone derivatives | Karl-Josef Herd, Karl H. Schundehutte, Horst Jager | 1993-05-18 |