Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684165 | Substituted thieno3,2b!thiophenes and their use | Ivan Cabrera, Uwe Falk, Werner Hickel, Ude Scheunemann, Peter Boldt +1 more | 1997-11-04 |
| 5621131 | Conjugated polymers having spiro centers and their use as electroluminescence materials | Willi Kreuder, Josef Salbeck, Hermann Schenk, Thomas Stehlin | 1997-04-15 |