Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902310 | Copolymers based on phosphorous-containing monomers, methods for the production thereof and their use | Lars Einfeldt, Alexander Kraus, Martina Brandl, Angelika Hartl | 2011-03-08 |
| 7732548 | Water-soluble sulfonic group-containing copolymers and terpolymers the production thereof and water-based painting and coating systems | Michael Schinabeck, Stefan Friedrich, Irene Gattinger, Andreas Tselibidis, Alfred Kern | 2010-06-08 |
| 7662882 | Defoaming agent for cementitious compositions | Klaus Lorenz, Minoru Yaguchi, Tomomi Sugiyama | 2010-02-16 |
| 7482405 | Cement additive | Toshimi Matsumoto, Sven Asmus, Klaus Lorenz, Petra Wagner, Christian Scholz | 2009-01-27 |
| 7425596 | Use of block copolymers as dispersants for aqueous suspensions of solids | Alexander Kraus, Christian Hübsch, Harald Grassl, Angelika Hartl, Stefanie Scheul +1 more | 2008-09-16 |
| 7238760 | Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof | Michael Schinabeck, Alfred Kern, Manfred Schuhbeck, Michaela Melzer | 2007-07-03 |
| 6988519 | Filler device, particularly an oil filler device on an internal-combustion engine | — | 2006-01-24 |
| 6893497 | Use of water-soluble polysaccharide derivatives as dispersing agents for mineral binder suspensions | Lars Einfeldt, Alfred Kern, Matilde Calado Vieira, Dieter Klemm | 2005-05-17 |
| 6777517 | Copolymers based on unsaturated mono-or dicarboxylic acid derivatives and oxyalkylene glycol alkenyl ethers, method for the production and use thereof | Christian Hübsch, Hubert Leitner, Harald Grassl, Alfred Kern | 2004-08-17 |
| 6620879 | Powdery polyether carboxylate-based polymeric compositions | Hubert Leitner, Alfred Kern, Josef Weichmann | 2003-09-16 |
| 6573316 | Stabilized water-soluble polymer powders on the basis of polyoxy alkylene glycol carboxylates and method for producing same | Josef Weichmann, Konrad Wutz, Manfred Bichler, Alfred Kern | 2003-06-03 |
| 6211317 | Copolymers based on unsaturated dicarboxylic acid derivatives and oxyalkylene glycol alkenyl ethers | Hubert Leitner, Josef Weichmann, Alfred Kern | 2001-04-03 |
| 6187887 | Water-soluble or water-swellable copolymers containing sulfonic groups and methods of preparation | Christian Huber, Manfred Schuhbeck, Josef Weichmann, Alfred Kern | 2001-02-13 |
| 5891983 | Water-soluble formaldehyde-free polycondensation products based on amino-s-triazines | Manfred Schuhbeck, Christian Huber, Josef Weichmann, Alfred Kern | 1999-04-06 |
| 5798425 | Co-polymers based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivatives | Josef Weichmann, Johann Penkner, Alfred Kern | 1998-08-25 |
| 5750634 | Water-soluble polycondensation products based on amino-s-triazines and the use thereof | Josef Weichmann, Ludwig Eibl, Christian Huber, Alfred Kern | 1998-05-12 |
| 5369198 | Copolymers based on maleic acid derivatives and vinyl monomers, their production and application | Hubert Leitner, Rudolf Lindenberger, Richard Siedl, Christian Werenka, Willi Suter | 1994-11-29 |