Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9023118 | Azo dyes | Helmut-Martin Meier, Christof Heide, Thomas Hübbe | 2015-05-05 |
| 8734532 | Azo dyes | Helmut-Martin Meier, Christof Heide, Thomas Hübbe | 2014-05-27 |
| 8734534 | Azo dyes | Helmut-Martin Meier, Christof Heide, Thomas Hübbe | 2014-05-27 |