Issued Patents All Time
Showing 76–100 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7910675 | Method for producing water-absorbing polymer particles | Jürgen Schröder | 2011-03-22 |
| 7838567 | Foams made from water-absorbing, basic polymers, method for the production and utilization thereof | Samantha Champ, Hans-Joachim Hähnle, Martin H. Beck | 2010-11-23 |
| 7790823 | Acidic superabsorbent hydrogels | Norbert Herfert, Mariola Wanior, Uwe Stuven, Martin H. Beck | 2010-09-07 |
| 7786211 | Production of a water-absorbing resin to which a particulate additive is admixed | Uwe Stueven, Matthias Weismantel, Thomas Daniel, Annemarie Hillebrecht, Dominicus van Esbroeck +1 more | 2010-08-31 |
| 7405321 | (Meth)acrylic ester of alkenylene glycols and the use thereof | Ulrich Riegel, Thomas Daniel, Matthias Weismantel, Mark Elliott, Reinhold Schwalm | 2008-07-29 |
| 7351302 | Method for binding particulate, water-absorbing, acid group-containing polymers to a base material | Ulrike Hoss | 2008-04-01 |
| 7259212 | (Meth)acrylic esters of polyalkoxylated trimethylolpropane | Andreas Popp, Thomas Daniel, Jürgen Schröder, Thomas Jaworek, Reinhold Schwalm +2 more | 2007-08-21 |
| 7250093 | Method using a dry fluidised bed for producing thin, absorbent surface structures | Wolfgang Heider, Jurgen Hofmann, Mariola Wanior, Ulrike Licht, Michael Ehle | 2007-07-31 |
| 7220821 | Process for the reduction of the residual monomer content of water-absorbent foam | Hans-Joachim Hähnle, Wolfgang Heider, Gunnar Schornick, Volker Frenz | 2007-05-22 |
| 7199211 | (Meth)acrylic esters of polyalkoxylated trimethylolpropane | Andreas Popp, Thomas Daniel, Jürgen Schröder, Thomas Jaworek, Reinhold Schwalm +2 more | 2007-04-03 |
| 7144957 | Polymer mixture of hydrogels with different pH value | Norbert Herfert, Mariola Wanior | 2006-12-05 |
| 7132479 | Polymer mixtures with improved odor control | Friedrich Engelhardt, Mariola Wanior | 2006-11-07 |
| 6703431 | Flexible open-celled microcellular polymer foams | Franz-Josef Dietzen, Hans-Joachim Hähnle, Serguei Evsioukov, Gunnar Schornick, Gerd Ehrmann | 2004-03-09 |
| 6602950 | Hydrophilic hydrogels with a high swelling capacity and method for producing and using them | Joachim Dentler, Norbert Herfert, Mariola Wanior, Friedrich Engelhardt | 2003-08-05 |
| 6503979 | Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones | Volker Frenz, Ulrich Riegel, Matthias Weismantel, Fritz Engelhardt, Thomas Daniel | 2003-01-07 |
| 6472478 | Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones | Volker Frenz, Ulrich Riegel, Matthias Weismantel, Fritz Engelhardt, Thomas Daniel | 2002-10-29 |
| 6297335 | Crosslinked, hydrophilic, highly swellable hydrogels, production thereof and use thereof | Norbert Herfert, Mariola Wanior, Patricia Brown, Fritz Engelhardt, Guy Thomas Woodrum | 2001-10-02 |
| 6107432 | Water-swellable, hydrophilic polymer compositions | Fritz Engelhardt, Norbert Herfert, Matthias Weismantel | 2000-08-22 |
| 5973014 | Process for the preparation of porous, hydrophilic, highly swellable hydrogels | Norbert Herfert, Ulrich Riegel | 1999-10-26 |
| 5731365 | Hydrophilic, highly swellable hydrogels | Fritz Engelhardt, Norbert Herfert, Uwe Stuven, Ulrich Riegel, Detlev Seip | 1998-03-24 |
| 5684104 | Water-swellable hydrophilic polymers | Fritz Engelhardt, Ulrich Riegel, Michael Wessling | 1997-11-04 |
| 5419846 | Stable granules for detergents, cleaning agents and disinfectants | Frank Jaekel, Gerd Reinhardt, Gerhard Noltner, Eric Jacquinot, Manfred Muller | 1995-05-30 |
| 5331059 | Hydrophilic, highly swellable hydrogels | Friedrich Engelhardt, Ulrich Riegel, Gerlinde Ebert, Hanss-Jerg Kleiner | 1994-07-19 |
| 5279757 | Stable peroxycarboxylic acid granule comprising an imidoperoxycarboxylic acid or salt thereof | Hanspeter Gethoffer, Gerd Reinhardt, Gerhard Noltner | 1994-01-18 |
| 5258448 | Absorbent polymers, manufacturing process and their use in particular for sanitary articles | Paul Mallo, Fritz Engelhardt, Ulrich Riegel | 1993-11-02 |