Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673906 | &bgr; modified monoazo dye resistant to dyeing, its preparation and use | — | 2004-01-06 |
| 5922089 | Method of dyeing polyester and polyester-containing textile materials | — | 1999-07-13 |
| 5917121 | Monoazo dyes which are stable under dyeing conditions, their preparation and their use | Hubert Kruse, Heinz G. Zorn, Klaus-Wilfried Wanken | 1999-06-29 |
| 5902356 | Textile dye preparations | Hubert Kruse, Rainer Az | 1999-05-11 |
| 5824117 | Nitrobenzisothiazole azo dyestuff | Jurgen Kuhlwein, Hubert Kruse | 1998-10-20 |
| 5760197 | Hydroxyquinolone monoazo dyestuffs, their preparation and use | — | 1998-06-02 |
| 5639282 | Process for dyeing polyester and polyester-containing textile materials | — | 1997-06-17 |
| 5569751 | Monoazo dyestuffs which are free from ionic groups, their preparation and their use | — | 1996-10-29 |
| 5495004 | Monoazo dispersed dye and mixtures containing them and the preparation and use thereof | — | 1996-02-27 |
| 5474579 | Mixtures of monoazo dyes | — | 1995-12-12 |
| 5466791 | Monoazo dyes, their preparation and use | Reinhard Kuhn, Margareta Boos | 1995-11-14 |
| 5428138 | Red 2,6-dicyanophenylazo dyes and the preparation and use thereof | Margareta Boos, Reinhard Kuhn | 1995-06-27 |
| 5425785 | Process for dyeing polyester and polyester-containing textile materials | Ralf Zerrer | 1995-06-20 |
| 5415669 | Dye mixtures for the dyeing of textile hydrophobic fibre materials | Hubert Kruse, Erwin Dietz | 1995-05-16 |
| 5389109 | Process for the preparation of thermomigration-resistant dyeings | — | 1995-02-14 |
| 5292872 | Monoazo dispersed dyes, mixtures containing them, and the preparation and the use thereof | — | 1994-03-08 |
| 5288680 | Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics | Rudolf Binder, Friedrich Schophoff, Margareta Boos, Reinhard Kuhn | 1994-02-22 |
| 5279621 | High temperature dyeing of polyester and polyester-containing textile materials under alkaline conditions | — | 1994-01-18 |
| 5248314 | High temperature dyeing of polyester and polyester-containing textile materials with cyano group containing azo dye | — | 1993-09-28 |
| 5244471 | High temperature dyeing of polyester and polyester-containing textile materials in alkaline medium | — | 1993-09-14 |
| 5216140 | Monoazo dye and preparation and use thereof | — | 1993-06-01 |
| 5174792 | Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds | Hirotsugu Tsumura, Reinhard Kuhn, Margareta Boos | 1992-12-29 |
| 5174791 | Process for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dye | Klaus Hofmann, Hubert Kruse, Jurgen Kuhlwein, Willi Steckelberg | 1992-12-29 |
| 5169404 | Monoazo dyestuffs for the sublimation transfer process | Erika Kunz, Josef Ritter | 1992-12-08 |
| 5160495 | 2-cyano-4,6-dimitro-phenyl monoazo dyestuffs | Reinhard Kuhn, Margareta Boos | 1992-11-03 |