Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387296 | Optically brightened plastics for optically brightening paper-coating compounds and paper-coating compounds optically brightened in this manner | Udo Eckstein, Joachim Konig, Fritz Puchner, Ulrich Feldhues, Uwe Vogt +1 more | 2002-05-14 |