Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776989 | UV-light-absorbing quaternary polysiloxanes | Michael Ferenz, Burghard Gruening, Holger Leidreiter, Matthias Pascaly, Astrid Zuendorff | 2010-08-17 |
| 6737501 | Process for the preparation of copolymeric hydrophobically modified polyglutamic acid derivatives and their use | Thomas Dietz, Peter Muss, Ute Schick, Christian Weitemeyer, Astrid Zündorff | 2004-05-18 |