Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8420751 | Method for producing a polymer | Ilshat Gubaydullin, Karl-Heinz Wassmer, Robert Rupaner, Jochen Kessler, Guillermo Arens +5 more | 2013-04-16 |
| 8188197 | Method for producing a polymer | Ilshat Gubaydullin, Karl-Heinz Wassmer, Robert Rupaner, Jochen Kessler, Guillermo Arens +5 more | 2012-05-29 |
| 6835767 | Polymer dispersions containing starch | Ingolf Kühn | 2004-12-28 |
| 6159340 | Hydrolyzed polymers of N-vinylcarboxamides as paper, paperboard and cardboard dry strength enhancers | Manfred Niessner, Claudia Nilz, Jens Utecht, Martin Rubenacker | 2000-12-12 |
| 6114435 | Preparation of aqueous solutions of polymers containing vinylamine units, which solutions have a long shelf life, and their use | Claudia Nilz, Manfred Winter, Michael Kroner, Andreas Stange | 2000-09-05 |
| 6060566 | Graft polymers of polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, their preparation and their use | Walter Denzinger, Martin Rubenacker, Claudia Nilz, Primoz Lorencak, Dietmar Monch +1 more | 2000-05-09 |
| 6048945 | Graft polymers comprising polymers, containing alkylene oxide units, and ethylenically unsaturated compounds, their preparation and their use | Walter Denzinger, Martin Rubenacker, Claudia Nilz, Primoz Lorencak, Dietmar Monch +1 more | 2000-04-11 |
| 5851300 | Cationic modification of starch and use of the cationically modified starch | Friedrich Linhart, Andreas Stange, Heinrich Hartmann, Walter Denzinger, Manfred Niessner +3 more | 1998-12-22 |
| 5744066 | Defoaming and deaerating mixtures for aqueous media prone to foaming | Knut Oppenlander, Gabriele Dralle-Voss | 1998-04-28 |
| 5700351 | Antifoams based on oil-in-water emulsions for the paper industry | Gabriele Dralle-Voss, Knut Oppenlaender, Brigitte Wegner, Andreas Hohmann | 1997-12-23 |
| 5630907 | Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking | Claudia Nilz, Walter Denzinger, Heinrich Hartmann, Michael Kroener, Friedrich Linhart +2 more | 1997-05-20 |
| 5326499 | Antifoams for the paper industry, based on oil-in-water emulsions | Brigitte Wegner, Knut Oppenlaender, Andreas Hohmann, Gabriele Dralle-Vos | 1994-07-05 |
| 5300359 | Non woven material containing aqueous polymer dispersions | Franz Matejcek, Maximilian Angel | 1994-04-05 |
| 5270376 | Aqueous polymer dispersion having divalent metal salt(s) incorporated therein | Franz Matejcek, Maximilian Angel | 1993-12-14 |
| 5084371 | Positive-working, radiation-sensitive mixture based on acid-cleavable and photochemically acid-forming compounds, and the production of relief patterns and relief images | Reinhold Schwalm, Horst Binder | 1992-01-28 |
| 4835232 | Heat-curable molding compositions | Gunnar Schornick, Philipp Eisenbarth, Jack D. Boyd | 1989-05-30 |