Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681937 | Reactive azo dyes with a coupling component from the aminonaphthalenesulfonic acid series | Heike Kilburg, Andrea Zamponi | 1997-10-28 |
| 5637702 | Sulfur compounds | Ernst Schefczik | 1997-06-10 |
| 5629409 | Reactive disazo dyes having two cyanuric chloride mechanisms | Hermann L offler | 1997-05-13 |
| 5625089 | Aniline derivatives | — | 1997-04-29 |