Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7034068 | Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production and use thereof | Anton Negele, Werner Gauweiler, Hubert Meixner, Norbert Mahr | 2006-04-25 |
| 6706190 | Method for fractionation of water soluble or dispersible polymers containing amino groups with a broad molar mass distribution | Ulrich Steuerle, Hartwig Voss, Jürgen Bernbach, Jürgen Decker, Rainer Dyllick-Brenzinger +2 more | 2004-03-16 |
| 6616807 | Method for producing high dry-strength paper, pulpboard and cardboard | Rainer Dyllick-Brenzinger, Primoz Lorencak, Hubert Meixner, Peter G. Baumann, Ellen Krüger +1 more | 2003-09-09 |
| 6586534 | Agglomerated particles of finely divided polymers which are water-soluble or capable of swelling in water and contain ammonium carboxylate groups | Reinhard Schneider, Jurgen Nieberle, Heinrich Hartmann, Walter Denzinger, Axel Kistenmacher | 2003-07-01 |
| 6562926 | Method for producing water-soluble polymers, comprising oligoalkylene-imine side chains | Jürgen Decker, Stefan Frenzel, Hubert Meixner | 2003-05-13 |
| 6541573 | Method for eliminating formamide from polymerizates containing n-vinyl formamide units | Manfred Niessner, Norbert Mahr | 2003-04-01 |
| 6271327 | Water-soluble polymers and their use in cosmetic formulations | Manfred Niessner, Claudia Nilz, Peter Hossel | 2001-08-07 |
| 6248836 | Amphiphilic graft polymers based on graft bases containing n--vinylcarboxylic acid units, process for their preparation and their use | Anton Negele, Jens Utecht, Hubert Meixner | 2001-06-19 |
| 6235835 | Polymer-modified anionic starch, method for its production, and its use | Manfred Niessner, Claudia Nilz, Primoz Lorencak, Roland Ettl | 2001-05-22 |
| 6197283 | Using without emulsions as thickeners in cosmetic and pharmaceutical formulations | Kristin Tiefensee, Volker Schehlmann | 2001-03-06 |
| 6190503 | Process for cleaning wastewater and recirculating water in paper production, de-inking and bleaching of pulp | Friedrich Linhart, Manfred Niessner, Claudia Nilz | 2001-02-20 |
| 6174946 | Agglomerated particles of water-swellable addition polymers, preparation thereof and use thereof | Reinhard Schneider, Jurgen Nieberle, Harald Meyer, Heinrich Hartmann | 2001-01-16 |
| 6160050 | Polymer-modified starch, method for its production, and its use | Manfred Niessner, Claudia Nilz, Primoz Lorencak, Roland Ettl | 2000-12-12 |
| 6159340 | Hydrolyzed polymers of N-vinylcarboxamides as paper, paperboard and cardboard dry strength enhancers | Manfred Niessner, Claudia Nilz, Jens Utecht, Rudolf Schuhmacher | 2000-12-12 |
| 6133392 | Insoluble polymers which can swell only slightly with modified amino groups, processes for their preparation, and their use | Jens Utecht, Claudia Nilz, Rainer Rahm | 2000-10-17 |
| 6099829 | Using W/O emulsions as thickeners in cosmetic and pharmaceutical formulations | Kristin Tiefensee, Volker Schehlmann | 2000-08-08 |
| 6060566 | Graft polymers of polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, their preparation and their use | Walter Denzinger, Claudia Nilz, Primoz Lorencak, Dietmar Monch, Rudolf Schuhmacher +1 more | 2000-05-09 |
| 6057404 | Polymers containing .beta.-hydroxyalkylvinylamine units, preparation and use thereof | Jens Utecht, Manfred Niessner, Dietmar Monch | 2000-05-02 |
| 6048945 | Graft polymers comprising polymers, containing alkylene oxide units, and ethylenically unsaturated compounds, their preparation and their use | Walter Denzinger, Claudia Nilz, Primoz Lorencak, Dietmar Monch, Rudolf Schuhmacher +1 more | 2000-04-11 |