Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959001 | Pigment preparations | Klaus Walz, Gerd Schmitz, Michael Kressner, Josef Leitermann | 1999-09-28 |
| 5762651 | Dustproofing agents | Horst Brandt, Hans Schulze, Thomas O. Nagel, Hans-Werner Petroll | 1998-06-09 |
| 5693451 | Recording material for images or data | Alexa Sommer, Robert Bloodworth, Gunther Penners, Klaus Sommer | 1997-12-02 |
| 5496483 | Electroviscous liquid based on dispersed modified polyethers | Gu/ nter Oppermann, Gu/ nther Penners, Roland Flindt, Hans-Horst Steinbach | 1996-03-05 |
| 5071524 | Process for the preparation of electrically conductive polyheteroaromatics | Uwe Claussen | 1991-12-10 |
| 4985124 | Electrically conducting polyheteroaromatics and a process for their preparation | Uwe Claussen | 1991-01-15 |