Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479751 | Process for preparing acrylic acid | Christian Psiorz, Franz-Felix Kuppinger, Raphael Schriewer, Arnd Bruhns, Armin Matthias Rix +3 more | 2019-11-19 |
| 8895683 | Superabsorbent polymers and methods of making the same | Franz-Felix Kuppinger, Axel Hengstermann, Guido Stochniol, Gunther Bub, Andreas Sabbagh | 2014-11-25 |
| 8703450 | Water-absorbent polymer structures based on renewable resources and method for producing said structures | Gunther Bub, Andreas Sabbagh, Franz-Felix Kuppinger, Franck Furno | 2014-04-22 |
| 8481784 | Superabsorbent polymers and methods of making the same | Franz-Felix Kuppinger, Axel Hengstermann, Guido Stochniol, Gunther Bub, Andreas Sabbagh | 2013-07-09 |
| 8445617 | Superabsorbent polymers and methods of making the same | Torsten Balduf, Gunther Bub, Andreas Sabbagh, Jurgen Kohn, Arndt Selbach | 2013-05-21 |
| 8362299 | Method for producing and purifying aqueous phases | Axel Hengstermann, Franz-Felix Kuppinger, Jorg Leistner, Peter Jansens | 2013-01-29 |
| 8309668 | Superabsorbent polymers and methods of making the same | Torsten Balduf, Gunther Bub, Andreas Sabbagh, Jurgen Kohn, Arndt Selbach | 2012-11-13 |
| 8293941 | Superabsorbent polymers and methods of making the same | Franz-Felix Kuppinger, Axel Hengstermann, Guido Stochniol, Gunther Bub, Andreas Sabbagh | 2012-10-23 |
| 8258249 | Water-absorbing polymer structures based on renewable raw materials and process for their production by dehydration | Gunther Bub, Franz-Felix Kuppinger, Andreas Sabbagh, Guido Stochniol, Jorg Sauer +6 more | 2012-09-04 |
| 8198481 | Process for preparing acrylic acid purified by crystallization from hydroxypropionic acid and apparatus therefore | Franz-Felix Kuppinger, Axel Hengstermann, Guido Stochniol, Gunther Bub, Andreas Sabbagh | 2012-06-12 |
| 8178717 | Process for production of (meth)acrylic acid with high boiling fraction work-up by means of crystallization | Torsten Balduf, Gunther Bub, Andreas Sabbagh, Jurgen Kohn, Arndt Selbach | 2012-05-15 |
| 7939597 | Acrylic acid and water-absorbing polymer structures based on renewable raw materials and process for their production by dehydration | Gunther Bub, Franz-Felix Kuppinger, Andreas Sabbagh, Guido Stochniol, Jorg Sauer +6 more | 2011-05-10 |
| 7557245 | (Meth)acrylic acid crystal and process for producing aqueous (meth)acrylic acid | Stefan Nordhoff, Torsten Balduf, Gunther Bub, Roland Fornika, Thomas Rathke +2 more | 2009-07-07 |
| 7557246 | Method for the purification of (meth)acrylic acid | Stefan Nordhoff, Torsten Balduf, Wilfried Uhlich, Dennis Thong Yu-Chiang, Axel Kobus +2 more | 2009-07-07 |
| 7294741 | Process for the production of acrylic acid | Gunther Bub, Dietrich Maschmeyer, Andreas Sabbagh, Roland Fornika, Matthias Peuckert | 2007-11-13 |