Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466791 | Monoazo dyes, their preparation and use | Ulrich Buhler, Margareta Boos | 1995-11-14 |
| 5428138 | Red 2,6-dicyanophenylazo dyes and the preparation and use thereof | Ulrich Buhler, Margareta Boos | 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, Margareta Boos | 1994-02-22 |
| 5207804 | Multi-component mixtures of bright red disperse azo dyestuffs | Margareta Boos, Rudolf Binder, Klaus Hofmann | 1993-05-04 |
| 5174792 | Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds | Hirotsugu Tsumura, Ulrich Buhler, Margareta Boos | 1992-12-29 |
| 5160495 | 2-cyano-4,6-dimitro-phenyl monoazo dyestuffs | Ulrich Buhler, Margareta Boos | 1992-11-03 |
| RE33908 | Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester | Horst Tappe, Hubert Kruse, Albert Bode, Margareta Boos | 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, Margareta Boos | 1992-04-07 |
| 5071443 | Blue azo dyestuff mixture for strong blue color on hydrophobic fibers | Ulrich Buhler, Hubert Kruse, Manfred Hahnke, Margareta Boos | 1991-12-10 |
| 4985044 | Multi-component mixtures of blue disperse azo dyes for the dyeing of synthetic fibers | Manfred Hahnke, Ulrich Buhler | 1991-01-15 |
| 4985043 | Mixtures of monoazo dyes containing halogen and cyano substituents | Ulrich Buhler, Manfred Hahnke, Margarete Boos | 1991-01-15 |
| 4950305 | Water-insoluble monoazo dyes, their preparation and use, and mixtures of these monoazo dyes | Ulrich Buhler, Margareta Boos | 1990-08-21 |
| 4872882 | Dyeing formulations of mixtures of red disperse dyes for the washfast dyeing of polyester fibers or mixtures thereof with cellulose fibers: benzo-di-furanone and azo dyes | Manfred Hahnke | 1989-10-10 |
| 4851012 | Mixtures of blue disperse monoazo dyestuffs | Ulrich Buhler, Hubert Kruse, Margareta Boos | 1989-07-25 |
| 4802889 | 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate | Ulrich Bte,uml/u/ hler, Horst Tappe, Albert Bode, Margareta Boss | 1989-02-07 |
| 4750912 | Exhaust method for dyeing fine-denier polyester fibers in dark shades with disperse dye mixtures | — | 1988-06-14 |
| 4689050 | Mixtures of blue disperse azo dyestuffs for dyeing synthetic fibers | Manfred Hahnke, Reinhard Hahnle, Rudolf Schickfluss | 1987-08-25 |
| 4678476 | Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester | Horst Tappe, Hubert Kruse, Albert Bode, Margareta Boos | 1987-07-07 |