Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264104 | Multi-component composition for manufacturing polyurethane/urea cementitious hybrid systems | Hang Xu, Jie Shen, Shengzhong Zhou, Stefan HIRSEMANN, Andrew Tasker +1 more | 2025-04-01 |
| 8535436 | Use of cyclohexane polycarboxylic acid derivatives for removing dust from chemical construction products | Werner Stohr, Volker Schwarz, Klaus-Dieter Hoetzl, Boris Breitscheidel | 2013-09-17 |
| 6635723 | Solvent-free polyurethane dispersion | Alois Maier, Franz Wolfertstetter, Herbert Winkelmann, Alfred Kern | 2003-10-21 |
| 6620879 | Powdery polyether carboxylate-based polymeric compositions | Gerhard Albrecht, Hubert Leitner, Alfred Kern | 2003-09-16 |
| 6573316 | Stabilized water-soluble polymer powders on the basis of polyoxy alkylene glycol carboxylates and method for producing same | Gerhard Albrecht, Konrad Wutz, Manfred Bichler, Alfred Kern | 2003-06-03 |
| 6566438 | Hybrid polyurethane-polymer dispersion with high film hardness, method for the production and the use thereof | Stefan Ingrisch, Alois Maier, Herbert Winkelmann, Franz Wolfertstetter, Alfred Kern | 2003-05-20 |
| 6555683 | Condensation products based on amino-s-triazines and the use thereof | Aloisia Stadler, Alfred Kern | 2003-04-29 |
| 6462127 | Self-crosslinking polyurethane polymer hybrid dispersion | Stefan Ingrisch, Alois Maier, Franz Wolfertstetter, Herbert Winkelmann, Alfred Kern | 2002-10-08 |
| 6211317 | Copolymers based on unsaturated dicarboxylic acid derivatives and oxyalkylene glycol alkenyl ethers | Gerhard Albrecht, Hubert Leitner, Alfred Kern | 2001-04-03 |
| 6187887 | Water-soluble or water-swellable copolymers containing sulfonic groups and methods of preparation | Gerhard Albrecht, Christian Huber, Manfred Schuhbeck, Alfred Kern | 2001-02-13 |
| 6150437 | Flow improving agents for binder suspensions containing cement | Konrad Wutz, Alfred Kern | 2000-11-21 |
| 5895802 | Redispersible polymer powders, method for their preparation and applications | Alfred Kern | 1999-04-20 |
| 5891983 | Water-soluble formaldehyde-free polycondensation products based on amino-s-triazines | Gerhard Albrecht, Manfred Schuhbeck, Christian Huber, Alfred Kern | 1999-04-06 |
| 5798425 | Co-polymers based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivatives | Gerhard Albrecht, Johann Penkner, Alfred Kern | 1998-08-25 |
| 5789526 | Highly viscous condensation products containing sulfonic acid groups based on amino-s-triazines | Franz Wolfertstetter, Herbert Winkelmann, Alfred Kern | 1998-08-04 |
| 5750634 | Water-soluble polycondensation products based on amino-s-triazines and the use thereof | Gerhard Albrecht, Ludwig Eibl, Christian Huber, Alfred Kern | 1998-05-12 |
| 5739212 | Water-soluble graft polymers | Konrad Wutz, Alfred Kern, Hans-Gunter Rosenbauer | 1998-04-14 |
| 5558709 | Flow improving agents for binder suspensions containing cement | Aloisia Stadler, Alfred Kern | 1996-09-24 |
| 5229454 | Process for removing water from polyurethane ingredients | — | 1993-07-20 |
| 5071945 | Process for the production of sulphonic acid group-containing condensation products with a low content of free formaldehyde | Manfred Bichler, Alfred Kern, Hans-Gunter Rosenbauer | 1991-12-10 |
| 5035812 | Thermostable polymers | Alois Aignesberger, Johann Plank, Manfred Bichler | 1991-07-30 |