Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8231691 | Azo dyes | Romeo Dreier, Urs Lauk, Patric Nowack | 2012-07-31 |
| 7544217 | Dye mixtures | Antoine Clement, Urs Lauk | 2009-06-09 |
| 7169909 | Phthalimidylazo dyes, processess for the preparation thereof and the use thereof | Antoine Clement, Urs Lauk | 2007-01-30 |
| 7160335 | Anthraquinone dyes | Urs Lauk, Patric Nowack | 2007-01-09 |
| 7087731 | Phthalimidyl azo dyes, process for the preparation thereof and the use thereof | Antoine Clement, Jean-Claud Wilhelm, Urs Lauk | 2006-08-08 |
| 7012137 | Phthalimidyl azo dyes, process for the preparation thereof and the use thereof | Antoine Clement, Jean-Claude Wilhelm, Urs Lauk | 2006-03-14 |
| 6555664 | Phthalimidyl azo pigments, method for producing same and utilisation thereof | Urs Lauk, Antoine Clement, Romeo Dreier | 2003-04-29 |
| 6551363 | Azo dye mixtures | Antoine Clement, Urs Lauk | 2003-04-22 |
| 6540794 | Azo dyes, a process for their preparation and their use in the dyeing or printing of hydrophobic fiber materials | Romeo Dreier, Jean-Claude Wilhelm, Urs Lauk | 2003-04-01 |
| 6111083 | Disperse dyes | Antoine Clement, Urs Lauk | 2000-08-29 |
| 6034226 | Disperse dyes | Paul Herzig, Antoine Clement | 2000-03-07 |
| 5942604 | Azo dye mixtures | Paul Herzig, Antoine Clement, Romeo Dreier | 1999-08-24 |
| 5939579 | Disperse dyes | Paul Herzig, Antoine Clement | 1999-08-17 |
| 5344977 | Process for the preparation of 2,3-dibromopropionyl chloride | Peter Leupin | 1994-09-06 |