Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9057003 | Process for the preparation of low-viscosity, water-emulsifiable allophanates with radiation-curable groups | Stefan Sommer, Michael Ludewig, Wolfgang Fischer, Jan Weikard | 2015-06-16 |
| 9034985 | Aqueous coating systems based on physically drying urethane acrylates | Stefan Sommer, Harald Blum, Miguel Fernandez | 2015-05-19 |
| 8865832 | Tin-free aqueous polyurethane dispersions | Stefan Sommer, Erhard Luehmann, Thorsten Rische | 2014-10-21 |