Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11479912 | Disperse azo dyes | Urs Lauk, Patric Nowack | 2022-10-25 |
| 10023742 | Disperse azo dyes, a process for the preparation thereof and the use thereof | Urs Lauk, Patric Nowack, Ralf Petermann | 2018-07-17 |
| 9376570 | Disperse azo dyes, a process for the preparation thereof and the use thereof | Urs Lauk, Patric Nowack, Ralf Petermann | 2016-06-28 |
| 8231691 | Azo dyes | Alfons Arquint, Urs Lauk, Patric Nowack | 2012-07-31 |
| 7026459 | Azo dyes | Urs Lauk | 2006-04-11 |
| 6953846 | Pyridone dyes, a process for their preparation and their use in the production of colored plastics or polymeric color particles | Athanassios Tzikas, Urs Lauk, Antoine Clement | 2005-10-11 |
| 6906195 | Pyridone dyes, a process for the preparation and their use in the production of colored plastics or polymeric color particles | Athanassios Tzikas, Urs Lauk, Antoine Clement | 2005-06-14 |
| 6555664 | Phthalimidyl azo pigments, method for producing same and utilisation thereof | Urs Lauk, Antoine Clement, Alfons Arquint | 2003-04-29 |
| 6540794 | Azo dyes, a process for their preparation and their use in the dyeing or printing of hydrophobic fiber materials | Jean-Claude Wilhelm, Alfons Arquint, Urs Lauk | 2003-04-01 |
| 6008332 | Phthalimidylazo dyes, process for their preparation and the use thereof | Paul Herzig | 1999-12-28 |
| 5942604 | Azo dye mixtures | Paul Herzig, Antoine Clement, Alfons Arquint | 1999-08-24 |