Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349134 | Method for producing high dry strength paper, paperboard or cardboard | Anton Esser, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Jacques Dupuis +2 more | 2013-01-08 |
| 6541573 | Method for eliminating formamide from polymerizates containing n-vinyl formamide units | Martin Rubenacker, Norbert Mahr | 2003-04-01 |
| 6429252 | Emulsifiers for amino resins | Wolfram Weiss, Matthias Kummer, Hans Schupp | 2002-08-06 |
| 6379588 | Stabilized monomer composition | Heinz Friedrich Sutoris, Andreas Koch, Alexander Aumuller, Jacques Dupuis | 2002-04-30 |
| 6284825 | Solutions of aminotriazine resins in monoalkylglycols | Wolfram Weiss, Gerhard Fischer, Werner Schnurr | 2001-09-04 |
| 6271327 | Water-soluble polymers and their use in cosmetic formulations | Martin Rubenacker, Claudia Nilz, Peter Hossel | 2001-08-07 |
| 6235835 | Polymer-modified anionic starch, method for its production, and its use | Claudia Nilz, Primoz Lorencak, Martin Rubenacker, Roland Ettl | 2001-05-22 |
| 6231876 | Use of water-soluble copolymers as active ingredients in cosmetics | Claudia Nilz, Peter Hossel, Stephan Kothrade, Axel Sanner | 2001-05-15 |
| 6190503 | Process for cleaning wastewater and recirculating water in paper production, de-inking and bleaching of pulp | Friedrich Linhart, Martin Rubenacker, Claudia Nilz | 2001-02-20 |
| 6184310 | Method for producing polymers containing carbamate units and the use thereof | Jens Utecht, Sabine Weiguny, Primoz Lorencak, Armin Stamm | 2001-02-06 |
| 6160050 | Polymer-modified starch, method for its production, and its use | Claudia Nilz, Primoz Lorencak, Martin Rubenacker, Roland Ettl | 2000-12-12 |
| 6159340 | Hydrolyzed polymers of N-vinylcarboxamides as paper, paperboard and cardboard dry strength enhancers | Claudia Nilz, Jens Utecht, Martin Rubenacker, Rudolf Schuhmacher | 2000-12-12 |
| 6147145 | Stabilized monomer composition | Alexander Aumuller, Andreas Koch, Heinz Friedrich Sutoris, Jacques Dupuis | 2000-11-14 |
| 6057404 | Polymers containing .beta.-hydroxyalkylvinylamine units, preparation and use thereof | Jens Utecht, Dietmar Monch, Martin Rubenacker | 2000-05-02 |
| 5851300 | Cationic modification of starch and use of the cationically modified starch | Friedrich Linhart, Andreas Stange, Rudolf Schuhmacher, Heinrich Hartmann, Walter Denzinger +3 more | 1998-12-22 |
| 5795926 | Preparation of finely divided polymer powders | Norbert Grund, Wilfried Heide, Heinrich Hartmann | 1998-08-18 |
| 5760226 | Aminotriazine derivatives containing glycol ether and their use in coating resins | Wolfram Weiss, Jurgen Tropsch, Matthias Kummer, Georg Meichsner | 1998-06-02 |
| 5576386 | Continuous polymerization of vinyl monomers | Fritz E. Kempter, Ralph Diener, Heino Thiele, Wolfram Weiss, Hans Renz | 1996-11-19 |
| 5306783 | Resin solution for the impregnation of paper webs | Uwe Kirchgaessner, Jakob Decher, Christof Jaeckh, Otto Wittmann, Harro Petersen | 1994-04-26 |
| 5276097 | Coating agent based on polymers containing carboxyl groups and crosslinking agents containing epoxide groups, processes for the preparation of the coating agent and its use | Peter Hoffmann, Werner-Alfons Jung, Elisabeth Kappes | 1994-01-04 |
| 5258473 | Preparation of finely divided, water-soluble polymers | Stefan Wickel, Walter Schneider, Juergen Beck, Heinrich Hartmann, Thomas A. Meyer | 1993-11-02 |
| 5219969 | Crosslinked copolymers with crosslinkable groups based on acrylic or methacrylic acid, preparation thereof and use thereof | Guenter Uhl, Norbert Grund, Reinhard Schneider, Ingeborg Schermann, Heinrich Hartmann | 1993-06-15 |
| 5208075 | Sizing agent for staple fiber and filament yarns | Matthias Kroner, Heinrich Hartmann, Dieter Voelker, Juergen Hartmann, Holger Schoepke | 1993-05-04 |
| 5180804 | Improving the water absorption capacity of crosslinked, water-swellable polymers | Juergen Beck, Heinrich Hartmann, Andreas Kemna, Stefan Wickel | 1993-01-19 |
| 5149750 | Preparation of finely divided, gel-like, water-swellable copolymers | Stefan Wickel, Wilfried Heide, Heinrich Hartmann | 1992-09-22 |