Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332550 | Device and method for producing powdered polymers | Stephan Bauer, Markus Toennessen, Christophe Bauduin, Katrin Baumann, Andreas Daiss +1 more | 2022-05-17 |
| 10450395 | Method for the production of absorbent polymer particles by polymerizing drops of a monomer solution | Dennis Lösch, Matthias Weismantel, Antje Ziemer | 2019-10-22 |
| 10252238 | Apparatus for producing pulverulent poly(meth)acrylate | Robert Bayer, Jürgen Freiberg, Rudolf Schliwa | 2019-04-09 |
| 10208149 | Method for producing water-absorbent polymer particles with a higher permeability by polymerising droplets of a monomer solution | Uwe Stueven, Matthias Weismantel, Wilfried Heide, Volker Seidl, Stefan Blei +3 more | 2019-02-19 |
| 10150091 | Apparatus for addition of droplets of a monomer solution to a reactor | Andreas Daiss, Robert Bayer, Rudolf Schliwa, Jürgen Freiberg, Karl J. Possemiers | 2018-12-11 |
| 9925511 | Apparatus for introduction of droplets of a monomer solution into a reactor | Andreas Daiss, Robert Bayer, Rudolf Schliwa, Jürgen Freiberg, Karl J. Possemiers | 2018-03-27 |
| 9480968 | Fluid-absorbent articles | Matthias Weismantel, Rüdiger Funk, Ulrich Schröder, Sylvia Bertha, John Joseph Louden | 2016-11-01 |
| 9073040 | Water-absorbent polymer particles | Rainer Dobrawa, Thomas Daniel, Uwe Stueven, Francisco Javier Lopez Villanueva, Norbert Herfert +3 more | 2015-07-07 |
| 9029485 | Method for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution | Stefan Blei, Wilfried Heide, Matthias Weismantel, Uwe Stueven | 2015-05-12 |
| 8895800 | Fluid absorbent articles | Matthias Weismantel, Rüdiger Funk, Ulrich Schröder, John Joseph Louden | 2014-11-25 |
| 8865828 | Method for producing permeable water-absorbing polymer particles through polymerization of drops of a monomer solution | Thomas Daniel, Uwe Stueven, Stefan Blei, Francisco Javier Lopez Villanueva, Norbert Herfert | 2014-10-21 |
| 8796174 | Fluid-absorbent articles | Matthias Weismantel, Rüdiger Funk, Ulrich Schröder, Sylvia Bertha, John Joseph Louden | 2014-08-05 |
| 8748000 | Method for producing water-absorbent polymer particles with a higher permeability by polymerizing droplets of a monomer solution | Uwe Stueven, Matthias Weismantel, Wilfried Heide, Volker Seidl, Stefan Blei +3 more | 2014-06-10 |
| 8748512 | Method for producing polymer particles by the polymerization of liquid droplets in a gas phase | Dennis Lösch, Annemarie Hillebrecht, Stefan Blei, Matthias Weismantel, Wilfried Heide | 2014-06-10 |
| 8697779 | Method for producing water-absorbent polymer particles by the polymerization of droplets of a monomer solution | Dennis Lösch, Stefan Blei, Matthias Weismantel, Wilfried Heide | 2014-04-15 |
| 8669410 | Fluid-absorbent articles | Matthias Weismantel, Rüdiger Funk, Ulrich Schröder, John Joseph Louden | 2014-03-11 |
| 8546498 | Method for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution | Stefan Blei, Wilfried Heide, Matthias Weismantel, Uwe Stueven | 2013-10-01 |
| 8529805 | Method for the production of water absorbent polymer particles by polymerizing drops of a monomer solution | Dennis Loesch, Matthias Weismantel, Antje Ziemer | 2013-09-10 |
| 8481159 | Water-absorbent porous polymer particles having specific sphericity and high bulk density | Rainer Dobrawa, Thomas Daniel, Uwe Stueven, Francisco Javier Villanueva, Norbert Herfert +3 more | 2013-07-09 |
| 8450428 | Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution | Thomas Daniel, Karin Flore, Stefan Blei, Uwe Stueven, Norbert Herfert +1 more | 2013-05-28 |
| 8419971 | Method for producing mechanically stable water-absorbent polymer particles | Uwe Stueven, Rüdiger Funk, Matthias Weismantel, Wilfried Heide | 2013-04-16 |
| 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, Volker Seidl, Stefan Blei +3 more | 2013-03-05 |
| 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, Volker Seidl, Stefan Blei +3 more | 2012-06-19 |
| 8188193 | Method for post-crosslinking of the surface of water-absorbing polymer particles | Stefan Blei, Wilfried Heide, Matthias Weismantel, Uwe Stueven | 2012-05-29 |
| 8183331 | Regulation of a process for producing water-absorbing polymer particles in a heated gas phase | Dennis Lösch, Matthias Weismantel, Wilfried Heide | 2012-05-22 |