Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690698 | Black dye mixtures of fiber-reactive azo dyes and their use for dyeing hydroxyl- and/or carboxamido-containing fiber material | Andreas von der Eltz, Dirk Buchwald | 1997-11-25 |
| 5684141 | Aminated cellulosic synthetic fibers | Andreas Schrell, Bernd Huber | 1997-11-04 |
| 5672738 | Process for the preparation of 3-(N-aryl-amino)-propyl-2'-sulfatoethyl-sulfonyl compounds | Christian Schumacher, Michael Meier | 1997-09-30 |
| 5610298 | Water-soluble anthraquinone compounds, preparation thereof and use thereof as dyes | Uwe Reiher | 1997-03-11 |
| 5607481 | Fiber-reactive anthraquinone dyes | Christian Schumacher | 1997-03-04 |
| 5601621 | Process for the production of a fiber material and process for the dyeing of the modified fiber material with anionic textile dyes | Andreas Schrell, Thomas Riehm | 1997-02-11 |