Issued Patents All Time
Showing 25 most recent of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7108727 | Reactive dyes and the use thereof for dyeing substrates containing nucleophilic groups | Helmut Reichelt, Gunther Seybold, Gunter Schroder, Stevan David Jones, James Charles Dunbar +1 more | 2006-09-19 |
| 6989036 | Reactive dyes and use thereof for dyeing substrates containing nucleophilic groups | Gunter Schroder, Helmut Reichelt, Gunther Seybold, Stevan David Jones, James Charles Dunbar +1 more | 2006-01-24 |
| 6485527 | Use of reactive dyes for dyeing hair | Frank Prechtl, Peter Hossel | 2002-11-26 |
| 6410698 | Reactive dyes with a combination anchor | Frank Prechtl | 2002-06-25 |
| 6197941 | Reactive dyes with a heterocyclic anchor | Andrea Zamponi, Helmut Hagen, Bernd Walther | 2001-03-06 |
| 6159250 | Doubled reactive dyes | — | 2000-12-12 |
| 6129786 | Composite pigments based on polyalkylenepolyamine-modified nanoparticulate metal oxides and anionic dyes | Boubacar Camara, Ulrich Steuerle, Jurgen Romeis | 2000-10-10 |
| 6120562 | Triazine derivatives as fixers in coloring and as cross-linking agents | Reinhold Krallmann, Wolfgang Reuther, Thomas Grosser | 2000-09-19 |
| 6011140 | Reactive azo dyes with an aminonaphthalenesulfonic acid coupling component and intermediates therefor | Andrea Zamponi, Hermann Loffler | 2000-01-04 |
| 5962730 | Aromatic sulphonyl compounds having an additional thioether, sulphoxide or sulphonyl group | Claus Marschner | 1999-10-05 |
| 5929217 | Reactive dyes with a benzo-fused heterocycle as anchor | Hermann Loffler, Claus Marschner | 1999-07-27 |
| 5910623 | Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers | Knut Kessel, Manfred Herrmann, Kurt Reiner, Jorg Jessen, Matthias Wiesenfeldt | 1999-06-08 |
| 5886187 | Benzene derivatives having a heterocyclic radical | Helmut Hagen, Bernd Walther, Andrea Zamponi | 1999-03-23 |
| 5789557 | Reactive azo dyes with a coupler of the aminonaphthalene series | Jurgen Dornhagen, Heike Kilburg, Hermann Loffler, Ortwin Schaffer | 1998-08-04 |
| 5681937 | Reactive azo dyes with a coupling component from the aminonaphthalenesulfonic acid series | Heike Kilburg, Andrea Zamponi | 1997-10-28 |
| 5637702 | Sulfur compounds | Ernst Schefczik | 1997-06-10 |
| 5629409 | Reactive disazo dyes having two cyanuric chloride mechanisms | Hermann L offler | 1997-05-13 |
| 5625089 | Aniline derivatives | — | 1997-04-29 |
| 5585518 | Hydroxyphenylureas | Claus Marschner, Knut Kessel | 1996-12-17 |
| 5536876 | Formylamino-aminophenol compounds and their use in preparation of fiber-reactive formazan dyes | Claus Marschner | 1996-07-16 |
| 5516901 | Preparation of reactive phthalocyanine dyes | Juergen Dornhagen | 1996-05-14 |
| 5505743 | Vat dyes | Matthias Niedenbrueck, Michael Schmitt | 1996-04-09 |
| 5493057 | Chloroethylsulfonylbenzaldehydes | Claus Marschner | 1996-02-20 |
| 5491232 | Sulfur compounds useful for preparation of dyes | Ernst Schefczik | 1996-02-13 |
| 5488127 | Aminophenols useful as intermediates for formazan reactive dyes | Claus Marschner | 1996-01-30 |