Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670469 | Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof | Christine Beyer, Frank Meister, Christoph Michels, Bernd Riedel | 2003-12-30 |