Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228131 | Dye mixtures comprising water-soluble fiber-reactive azo dyes, preparation thereof and use thereof | Bengt-Thomas Grobel, Christian Schumacher, Gerhard Lippert, Karl Krieger, Dierk Rohrig | 2001-05-08 |
| 6168636 | Dye mixtures of fiber-reactive azo dyes and their use | Bengt-Thomas Grobel, Christian Schumacher, Birgit Eden, Karl Krieger, Dierk Rohrig | 2001-01-02 |
| 6165231 | Dye mixture, process for it's preparation and use thereof | Bengt-Thomas Grobel, Christian Schumacher, Karl Krieger, Dierk Rohrig | 2000-12-26 |