Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11674048 | Aqueous polymer compositions for flexible roof coatings | Ekkehard Jahns, Timo Mangel, Yeni Burk | 2023-06-13 |
| 10464851 | Method for treating gypsum | Uwe Gehrig, Klaus Moller, Michael Schinabeck, Martin Pichler, Ekkehard Jahns | 2019-11-05 |
| 10336912 | Methods for producing and using aqueous polyurethane/polyacrylate hybrid dispersions and use of said aqueous polyurethane/polyacrylate hybrid dispersions in coating agents | Ekkehard Jahns, Timo Mangel, Christine Roesch, Paola Romanato, Yeni Burk | 2019-07-02 |
| 8119727 | Use of comb polymers as a grinding agent for preparations containing cement | Stefan Becker, Thomas Goetz, Rainer Dyllick-Brenzinger, Rolf Gulden | 2012-02-21 |
| 8076436 | Method for the production of superabsorbers | Volker Braig, Michael de Marco, Michael Stosser | 2011-12-13 |
| 8022120 | Comb polymers and their use as additives for preparations of mineral binders | Stefan Becker, Markus Klumpe, Thomas Goetz, Christian Knoll, Rolf Gulden | 2011-09-20 |
| 7820738 | Method for producing polymer powders that can be easily redispersed in water | Ines Pietsch, Oliver Reese, Heinrich Sack | 2010-10-26 |
| 7629411 | Method for producing (poly-C2-C4 alkylene glycol)-mono(meth)acrylic esters | Stefan Becker, Joerg Pastre, Thomas Goetz, Arnold Burek, Wolfgang Hansch +1 more | 2009-12-08 |
| 7572397 | Microcapsules | Ekkehard Jahns, Hans-Juergen Denu, Horst Seibert | 2009-08-11 |
| 7547741 | Preparation of polymer powders | Markus Koppers, Wolfgang Gaschler, Heinrich Sack, Juergen Schmidt-Thuemmes, Hans-Juergen Denu | 2009-06-16 |
| 7166355 | Use of microcapsules in gypsum plasterboards | Ekkehard Jahns, Hans-Jurgen Denu, Horst Seibert, Marco Schmidt | 2007-01-23 |
| 6872773 | Preparation of readily water-redispersible and water-wettable polymer powders | Ines Pietsch, Hans-Jurgen Denu, Heinrich Sack, Bernd Reck | 2005-03-29 |
| 6809148 | Polymer dispersions as an additive in building materials | Markus Koppers, Hermann Anders, Marco Schmidt, Hans-Jurgen Denu | 2004-10-26 |
| 6762221 | Use of naphthalenesulfonic acid-formaldehyde condensates products as drying aids | Maximilian Angel, Joachim Roser, Andree Dragon, Heinrich Sack | 2004-07-13 |
| 6656994 | Use of polysulfide-free preparations as an additive for loam or clay-based construction materials | Stefan Dreher, Joachim Roser, Dietbert Knofel, Karl Boettger | 2003-12-02 |
| 6653372 | Preparation of addition-polymer powder | Joachim Roser, Maximilian Angel, Andree Dragon | 2003-11-25 |
| 6617387 | Ammonia-free polymer dispersions as additives in mineral building materials based on hydraulic binders | Stefan Dreher, Bernd Reck | 2003-09-09 |
| 6593421 | Flooring adhesives based on styrene-butadiene copolymers | David Christie, Eckehardt Wistuba, Horst Seibert, Peter Fickeisen | 2003-07-15 |
| 6559221 | Silane-containing polymer dispersions for tile cements | Mario Sandor, Wolfgang Hümmer, Hans-Jurgen Denu, Rolf Gulden | 2003-05-06 |
| 6552116 | Multistage emulsion polymer | Uwe Dittrich, Harald Röckel, Alan E. Smith, Erich Gulbins, Li Zhuo | 2003-04-22 |
| 6489381 | Cement compositions comprising redispersible polymer powders | Stefan Dreher, Mario Sandor, Bernd Reck, Claudia Wood, Hans-Jurgen Denu | 2002-12-03 |
| 6469135 | Preparation of polymer powders | Mario Sandor, Heinrich Sack, Markus Koppers, Hans-Jurgen Denu, Rolf Gulden | 2002-10-22 |
| 6451899 | Aqueous formulations comprising at least two different polymers as aqueous dispersions | Cheng-Le Zhao, Uwe Dittrich, Joachim Roser, Harald Röckel | 2002-09-17 |
| 6444729 | Process for preparing pulverulent polymers by drying aqueous polymer dispersions | Maximilian Angel, Peter Claassen, Andree Dragon | 2002-09-03 |
| 6291573 | Preparation of polymer powders | Bernd Reck, Peter Claassen, Hans-Jurgen Denu, Eckehardt Wistuba, Claudia Heibel | 2001-09-18 |