Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613494 | Polycondensates which contain tartaric acid derivatives, processes for their preparation and use thereof | Volker Krone, Michael Magerstadt, Axel Walch, Norbert Lill | 1997-03-25 |