Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466791 | Monoazo dyes, their preparation and use | Ulrich Buhler, Reinhard Kuhn | 1995-11-14 |
| 5428138 | Red 2,6-dicyanophenylazo dyes and the preparation and use thereof | Ulrich Buhler, Reinhard Kuhn | 1995-06-27 |
| 5288680 | Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics | Rudolf Binder, Ulrich Buhler, Friedrich Schophoff, Reinhard Kuhn | 1994-02-22 |
| 5207804 | Multi-component mixtures of bright red disperse azo dyestuffs | Reinhard Kuhn, Rudolf Binder, Klaus Hofmann | 1993-05-04 |
| 5174792 | Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds | Hirotsugu Tsumura, Ulrich Buhler, Reinhard Kuhn | 1992-12-29 |
| 5160495 | 2-cyano-4,6-dimitro-phenyl monoazo dyestuffs | Ulrich Buhler, Reinhard Kuhn | 1992-11-03 |
| RE33908 | Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester | Horst Tappe, Hubert Kruse, Reinhard Kuhn, Albert Bode | 1992-05-05 |
| 5102425 | Process for the dyeing and printing of blended fabrics made of polyester and natural fibre materials with cyano-hydroxy-methyl pyridone, azo disperse dye to reduce staining | Ulrich Buhler, Klaus Hofmann, Reinhard Kuhn | 1992-04-07 |
| 5071443 | Blue azo dyestuff mixture for strong blue color on hydrophobic fibers | Ulrich Buhler, Hubert Kruse, Manfred Hahnke, Reinhard Kuhn | 1991-12-10 |
| 4950305 | Water-insoluble monoazo dyes, their preparation and use, and mixtures of these monoazo dyes | Ulrich Buhler, Reinhard Kuhn | 1990-08-21 |
| 4851012 | Mixtures of blue disperse monoazo dyestuffs | Ulrich Buhler, Hubert Kruse, Reinhard Kuhn | 1989-07-25 |
| 4678476 | Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester | Horst Tappe, Hubert Kruse, Reinhard Kuhn, Albert Bode | 1987-07-07 |