Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5532362 | Fiber-reactive triphenodioxazine dyes | Walter Helmling, Uwe Reiher | 1996-07-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5532362 | Fiber-reactive triphenodioxazine dyes | Walter Helmling, Uwe Reiher | 1996-07-02 |