Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579846 | Acylated polymeric polyamines | Michael Zirnstein, Günter Oetter, Kristin Tiefensee, Knut Oppenlander, Michael Ehle | 2003-06-17 |
| 6562926 | Method for producing water-soluble polymers, comprising oligoalkylene-imine side chains | Stefan Frenzel, Martin Rubenacker, Hubert Meixner | 2003-05-13 |