Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596864 | Stilbene brightener | Uwe Vogt, Rolf Brockmann, Karl-Rudolf Gassen, Ulrich Feldhues | 2003-07-22 |
| 6478866 | Aqueous pigment preparations | Peter-Roger Nyssen, Wolfgang Zarges, Achim Brand, Hans Geiger | 2002-11-12 |
| 6426381 | Fine-particle polymer dispersions for paper sizing | Joachim Konig, Eckhard Wenz, Gunter Sackmann, Bernd Thiele, Gabriele Kinkel +2 more | 2002-07-30 |
| 6339117 | Whitened polymers and the use thereof in coating slips for coating substrates | Udo Eckstein, Siegfried Korte, Ulrich Feldhues, Hans Geiger, Bernhard Hunke +1 more | 2002-01-15 |
| 6310132 | Sizing agents for paper | Gunter Sackmann, Eckhard Wenz, Joachim Konig, Bernhard Jansen, Bernd Thiele +1 more | 2001-10-30 |
| 6310172 | Water-dispersible polyisocyanate preparations for producing repulpable paper | Bernhard Jansen, Bernd Thiele | 2001-10-30 |
| 6207010 | Preparation and use of iminodisuccinic acid salts | Torsten Groth, Winfried Joentgen, Paul Wagner, Frank Dobert, Eckhard Wenderoth | 2001-03-27 |
| 6201060 | Water dispersable, isocyanates with enhanced absorbing capacity as paper auxiliary agents | Bernhard Jansen, Bernd Thiele, Johan Kijlstra | 2001-03-13 |
| 6107518 | Preparation and use of iminodisuccinic acid salts | Torsten Groth, Winfried Joentgen, Paul Wagner, Frank Dobert, Eckhard Wenderoth | 2000-08-22 |