Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8419971 | Method for producing mechanically stable water-absorbent polymer particles | Uwe Stueven, Matthias Weismantel, Wilfried Heide, Marco Krüger | 2013-04-16 |
| 8410222 | Method for producing water-absorbing polymer particles | Matthias Weismantel, Sylvia Bertha | 2013-04-02 |
| 8410235 | Neutralization process | Matthias Weismantel, Louis Claessens, Karl J. Possemiers, Ronny De Kaey | 2013-04-02 |
| 8389595 | Production of superabsorbent polymers on a continuous belt reactor | Matthias Weismantel, Sylvia Bertha, Leigh R. Blair, Kevin D. Heitzhaus, Bruce Storey | 2013-03-05 |
| 8389658 | Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerizing droplets of a monomer solution | Uwe Stueven, Matthias Weismantel, Wilfried Heide, Marco Krüger, Volker Seidl +3 more | 2013-03-05 |
| 8362174 | Process for producing water-absorbing polymer particles | Jürgen Schröder, Thomas Pfeiffer, Matthias Weismantel, Stefan Blei | 2013-01-29 |
| 8349946 | 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 | 2013-01-08 |
| 8329844 | Process for producing water-absorbing polymer particles | Matthias Weismantel, Ann Becker, Leo Van Miert | 2012-12-11 |
| 8273836 | Method for producing water-absorbent polymer particles | Matthias Weismantel, Dominicus van Esbroeck | 2012-09-25 |
| 8216967 | Method for producing water-absorbing composite materials | Matthias Weismantel, Sylvia Bertha | 2012-07-10 |
| 8202957 | Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerising droplets of a monomer solution | Uwe Stueven, Matthias Weismantel, Wilfried Heide, Marco Krüger, Volker Seidl +3 more | 2012-06-19 |
| 8148479 | Method for producing water-absorbing polymer particles by suspension polymerisation | — | 2012-04-03 |
| 8138281 | Production of superabsorbent polymers on a continuous belt reactor | Matthias Weismantel, Leigh R. Blair, Kevin D. Heitzhaus, Bruce Storey | 2012-03-20 |
| 8138280 | Production of superabsorbent polymers on a continuous belt reactor | Matthias Weismantel, Leigh R. Blair, Kevin D. Heitzhaus, Bruce Storey | 2012-03-20 |
| 8124229 | Method for producing water-absorbent polymer particles with a higher permeability by polymerising droplets of a monomer solution | Uwe Stueven, Matthias Weismantel, Wilfried Heide, Marco Krüger, Volker Seidl +3 more | 2012-02-28 |
| 8119755 | Process for producing water-absorbing polymer particles | Matthias Weismantel, Leigh R. Blair, Kevin D. Heitzhaus | 2012-02-21 |
| 8104621 | Method for grading a particulate water-absorbing resin | Matthias Weismantel, Thomas Daniel, Uwe Stueven | 2012-01-31 |
| 8084556 | Method for preparing water-absorbing polymer particles by suspension polymerization | — | 2011-12-27 |
| 8080620 | Process for continuously producing water-absorbing polymer particles | Matthias Weismantel, Leigh R. Blair, Kevin D. Heitzhaus | 2011-12-20 |
| 8063266 | Method using a dry fluidized bed for producing thin, absorbent surface structures | Wolfgang Heider, Jurgen Hofmann, Mariola Wanior, Ulrike Licht, Michael Ehle | 2011-11-22 |
| 7967148 | Method for grading water-absorbent polymer particles | Uwe Stueven, Matthias Weismantel, Karl J. Possemiers, Filip Mees | 2011-06-28 |
| 7960490 | Process for preparing color-stable water-absorbing polymer particles with a low degree of neutralization | Volker Braig | 2011-06-14 |
| 7960485 | Method for producing water-absorbing polymers | Uwe Stueven, Friedrich-Georg Martin, Jürgen Schröder | 2011-06-14 |
| 7951304 | Method for producing mechanically stable water-absorbent polymer particles | Uwe Stueven, Matthias Weismantel, Wilfried Heide, Marco Krüger | 2011-05-31 |
| 7915363 | Acidic superabsorbent hydrogels | Norbert Herfert, Mariola Wanior, Uwe Stuven, Martin H. Beck | 2011-03-29 |