Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11479912 | Disperse azo dyes | Urs Lauk, Romeo Dreier | 2022-10-25 |
| 10023742 | Disperse azo dyes, a process for the preparation thereof and the use thereof | Urs Lauk, Ralf Petermann, Romeo Dreier | 2018-07-17 |
| 9938411 | Disperse azo dyes | Urs Lauk, Athanassios Tzikas | 2018-04-10 |
| 9376570 | Disperse azo dyes, a process for the preparation thereof and the use thereof | Urs Lauk, Ralf Petermann, Romeo Dreier | 2016-06-28 |
| 8231691 | Azo dyes | Romeo Dreier, Alfons Arquint, Urs Lauk | 2012-07-31 |
| 7456316 | Anthraquinone dyes | Urs Lauk | 2008-11-25 |
| 7160335 | Anthraquinone dyes | Urs Lauk, Alfons Arquint | 2007-01-09 |
| 5931975 | Dyes, processes for their preparation and their use | Bernhard Muller | 1999-08-03 |
| 5925746 | Azo dyes, processes for their preparation and the use thereof | Urs Lauk | 1999-07-20 |