Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8378007 | Coloured aqueous polymer dispersions, and production and use of same | Franz-Leo Heinrichs, Anais Bialy, Josef Ritter | 2013-02-19 |
| 8163818 | Coloured aqueous polymer dispersions, and production and use of same | Franz-Leo Heinrichs, Anais Bialy, Josef Ritter | 2012-04-24 |
| 6548647 | Process for preparing azo colorants | Erwin Dietz, Joachim Weber, Dieter Schnaitmann, Christian Wille, Leonhard Unverdorben +2 more | 2003-04-15 |
| 6479569 | Safer pigment preparations | Rudiger Jung, Arpad Acs | 2002-11-12 |
| 6469147 | Preparation of azo colorants in microreactors | Uwe Nickel, Rudiger Jung, Leonhard Unverdorben | 2002-10-22 |
| 5856472 | Reactive aluminum phthalocyanine dyestuffs, processes for their preparation and their use | Karl-Josef Herd | 1999-01-05 |