| 5789557 |
Reactive azo dyes with a coupler of the aminonaphthalene series |
Jurgen Dornhagen, Manfred Patsch, Hermann Loffler, Ortwin Schaffer |
1998-08-04 |
| 5681937 |
Reactive azo dyes with a coupling component from the aminonaphthalenesulfonic acid series |
Manfred Patsch, Andrea Zamponi |
1997-10-28 |
| RE35407 |
Azo dye polymers |
Matthias Wiesenfeldt, Sabine Gruettner-Merten, Ruediger Sens, Karl-Heinz Etzbach |
1996-12-17 |
| 5525743 |
Preparation of anthraquinone imide compounds |
Udo Bergmann, Helmut Hoch, Reinhold Kohlhaupt, Matthias Niedenbrueck |
1996-06-11 |
| 5461131 |
Azo dye polymers |
Matthias Wiesenfeldt, Sabine Gruettner-Merten, Ruediger Sens, Karl-Heinz Etzbach |
1995-10-24 |
| 5436306 |
Methine or azamethine dye polymers |
Karl-Heinz Etzbach, Ruediger Sens |
1995-07-25 |
| 5434231 |
Azo dye polymers |
Matthias Wiesenfeldt, Sabine Gruettner-Merten, Ruediger Sens, Karl-Heinz Etzbach |
1995-07-18 |
| 5424461 |
Preparation of 1-amino-4-hydroxyanthraquinone |
Erwin Hahn, Manfred Patsch |
1995-06-13 |
| 5393645 |
Production of structured polymer layers having nonlinear optical properties |
Karl-Heinz Etzbach, Hans-Joachim Lorkowski, Karl-Friedrich Pfeiffer |
1995-02-28 |
| 5393644 |
Production of crosslinked polymer layers having nonlinear optical properties and their use |
Karl-Heinz Etzbach, Hans-Joachim Lorkowski, Karl-Friedrich Pfeiffer |
1995-02-28 |
| 5264507 |
Azo dye polymers |
Matthias Wiesenfeldt, Sabine Gruettner-Merten, Ruediger Sens, Karl-Heinz Etzbach |
1993-11-23 |
| 5231140 |
Preparation of polymers with side groups with NLO activity, and the use thereof |
Karl-Heinz Etzbach, Karin H. Beck, Peter Strohriegl, Harry Mueller, Oskar Nuyken |
1993-07-27 |
