Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099594 | Simultaneous finish-stripping and dyeing of synthetic fibers | Ferdinand Kummeler, Klaus Walz, Michael Pirkotsch, Josef Pfeiffer | 2000-08-08 |
| 5902357 | Composition for dyeing or printing textile materials | Martin Riegels, Uwe Vogt, Klaus Walz, Bernd Konemund, Torsten Groth +1 more | 1999-05-11 |
| 5310855 | Aromatic condensation products | Klaus Walz, Udo-Winfried Hendricks, Hans-Albert Ehlert | 1994-05-10 |