Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802104 | Method for preparation of acetoacetylated polyols | Masaki Nakajima, Anja Bierstedt, Maximilian Kuehnle, Ulrich Mayerhoeffer, Ellen Klegraf | 2023-10-31 |
| 11384047 | Method for preparation of decolorized acetoacetylated glycerol with activated carbon | Anja Bierstedt | 2022-07-12 |
| 10513828 | Composition for sizing paper | Jürgen Sartori | 2019-12-24 |
| 10216010 | Determining user data based on image data of a selected eyeglass frame | Markus Tiemann, Peter Seitz, Adam Muschielok | 2019-02-26 |
| 8512521 | Product for the sizing of paper | Elisabeth Lackinger, Klaus Moller, Jürgen Sartori | 2013-08-20 |
| 5123520 | Apparatus for gathering and removing particulate material | Detlef Kuhl | 1992-06-23 |
| 4280572 | Chisel for a percussive tool | Heinrich Kotyza | 1981-07-28 |