Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8420737 | Method for the production of co-extrudates composed of polystyrene and of a crosslinked polyvinylpyrrolidone with reduced residual styrene monomer content | Marianna Pierobon, Ates Erk, Hermann Josef Feise, Robert Bayer | 2013-04-16 |
| 8394279 | Method for regenerating a filter aid | Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise, Ates Erk +4 more | 2013-03-12 |
| 7993533 | Method for regenerating an auxiliary filtering agent | Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise, Ates Erk +3 more | 2011-08-09 |
| 7410939 | Cleaning agent composition comprising polymers containing nitrogen | Ralf Noerenberg, Karl Haeberle, Martin Scholtissek, Cordula Mock-Knoblauch, Franz Weingart | 2008-08-12 |
| 7019061 | Polyurethane and the use thereof for modifying rheological properties | Son Nguyen Kim | 2006-03-28 |
| 6939912 | Compositions comprising copolymers of N-vinylcarboxamides and monomers with a hydrophobic radical, and use of these copolymers | Stephan Kothrade, Anton Negele, Axel Sanner | 2005-09-06 |
| 6900165 | Use of cross-linked polyvinylpyrrolidone as a disintegrant in compact, particulate detergents and cleaning agents | Werner Bertleff, Michael Kerber, Peter Spang, Richard Baur, Marcos Gomez | 2005-05-31 |
| 6736981 | Particulate polymers as filter aids | Marcos Gomez, Tilman Rock, Axel Sanner | 2004-05-18 |
| 6677417 | Method for adjusting the particle size of popcorn polymers during popcorn polymerization | Werner Bertleff, Michael Kerber, Peter Spang | 2004-01-13 |
| 6552142 | Process for preparing aqueous dispersions of copolymers from hydrophilic and hydrophilic monomers, copolymers obtainable therefrom and uses thereof | Maximilian Angel | 2003-04-22 |
| 6528089 | Method for producing solid dosing forms | Stephan Kothrade, Gunther Berndl, Andreas Ernst, Axel Sanner | 2003-03-04 |
| 6525156 | Styrene-containing popcorn polymers, method for producing same and utilisation | Andreas Ernst, Axel Sanner, Stefan Stein, Folker Ruchatz | 2003-02-25 |
| 6497867 | Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizers | Axel Sanner, Gunther Berndl, Folker Ruchatz, Karl Kolter, Kurt Bauer | 2002-12-24 |
| 6489422 | Thickeners for surfactant-containing compositions | Kristin Tiefensee | 2002-12-03 |
| 6436440 | Use of N-vinyllactam-or-N-vinylamine-containing copolymers as matrix for producing solid pharmaceutical and cosmetic presentations | Folker Ruchatz | 2002-08-20 |
| 6399679 | Thickeners for surfactant-containing compositions | Kristin Tiefensee | 2002-06-04 |
| 6331294 | Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizers | Axel Sanner, Gunther Berndl, Folker Ruchatz, Karl Kolter, Kurt Bauer | 2001-12-18 |
| 6284803 | Solid dosage form with polymeric binder | Stephan Kothrade, Gunther Berndl | 2001-09-04 |
| 6271307 | Use of polyalkylkene oxide-containing graft copolymers as solubilizers | Jürgen Huff, Folker Ruchatz | 2001-08-07 |
| 6075107 | Use of copolymers of N-vinylprrolidone in preparations of water-insoluble substances | Stephan Kothrade, Gunther Berndl, Axel Sanner, Stefan Stein, Volker Schehlmann +1 more | 2000-06-13 |