Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638646 | Substituted poly(arylenevinylenes), process for their preparation, and their use in electroluminescent elements | Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Nu Yu | 2003-10-28 |
| 6414431 | Thin film electrode for planar organic light-emitting devices and method for its production | Nu Yu, Hubert Spreitzer, Willi Kreuder, Heinrich Becker | 2002-07-02 |
| 6329082 | Hetero-spiro compounds and their use as electroluminescence materials | Willi Kreuder, Donald Lupo, Josef Salbeck, Thomas Stehlin | 2001-12-11 |
| 5859211 | Conjugated polymers containing heterospiro atoms and their use as electroluminescence materials | Willi Kreuder, Donald Lupo, Josef Salbeck, Thomas Stehlin | 1999-01-12 |
| 5856434 | Use of polymers containing isolated chromophores as electroluminescence materials | Roland Stern, Josef Salbeck, Thomas Stehlin, Ullrich Scherf, Klaus Müllen +1 more | 1999-01-05 |
| 5840217 | Spiro compounds and their use as electroluminescence materials | Donald Lupo, Josef Salbeck, Thomas Stehlin, Roland Stern, Arno Wolf | 1998-11-24 |
| 5741921 | Conjugated polymers containing hetero-spiro atoms and their use as electroluminescence materials | Willi Kreuder, Donald Lupo, Josef Salbeck, Thomas Stehlin | 1998-04-21 |
| 5728480 | Poly(4,5,9,10-tetrahydropyrene-2,7-diyl) derivatives and their use as electroluminescence materials | Roland Stern, Donald Lupo, Josef Salbeck, Thomas Stehlin, Klaus Müllen +2 more | 1998-03-17 |
| 5712361 | Conjugated polymers containing ANSA substructures and their use as electroluminescence materials | Roland Stern, Donald Lupo, Josef Salbeck, Thomas Stehlin, Klaus Müllen +2 more | 1998-01-27 |
| 5621131 | Conjugated polymers having spiro centers and their use as electroluminescence materials | Willi Kreuder, Donald Lupo, Josef Salbeck, Thomas Stehlin | 1997-04-15 |