Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099594 | Simultaneous finish-stripping and dyeing of synthetic fibers | Ferdinand Kummeler, Klaus Walz, Josef Pfeiffer, Fritz Lesszinsky | 2000-08-08 |
| 6096097 | Simultaneous washing and bleaching of native fibres and textile products therefrom | Ferdinand Kummeler, Josef Pfeiffer, Torsten Groth, Winfried Joentgen | 2000-08-01 |
| 6056787 | Process for the pretreatment of fibers | Gerd-Friedrich Renner, Klaus Walz, Torsten Groth, Winfried Joentgen | 2000-05-02 |
| 5769900 | Enzyme mixtures and processes for desizing textiles sized with starch | Wilfried Hahn, Axel Seitz, Martin Riegels, Rainhard Koch | 1998-06-23 |