Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287776 | Preparation of a photochromic ink | Marc Maurer, Max Hügin, Leonhard Feiler, Bruno Inderbitzin, Andre Fuchs | 2012-10-16 |
| 7217803 | Benzimidazole-pyridone-based azo dyes | Leonhard Feiler, Thomas Eichenberger, Max Hügin | 2007-05-15 |