Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7604669 | Mixtures of reactive dyes and their use in a method for trichromatic dyeing or printing | Athanassios Tzikas, Georg Roentgen | 2009-10-20 |
| 4886518 | Dyeing cellulose fibres without incurring ending with colorless pyrimidine, triazine, aromatic, furfuryl or quinolinyl compound | — | 1989-12-12 |
| 4877413 | Process for the end-to-end dyeing of cellulosic fibres | Peter Scheibli | 1989-10-31 |