Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605693 | Triptycene polymers and copolymers | Heinrich Becker, Willi Kreuder, Josef Salbeck | 2003-08-12 |
| 6509110 | Triptycene derivatives and their use for opto-electronics applications, in particular as electroluminescent materials | Josef Salbeck, Heinrich Becker, Willi Kreuder | 2003-01-21 |
| 6355773 | Functional polymer and organic electroluminescence element, optical memory, and hole transport element using the same | Hisayoshi Fujikawa, Shizuo Tokito, Yasunori Taga | 2002-03-12 |