Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12179559 | Cover for a pressure relief valve assembly of a vehicle, a pressure relief valve assembly having such a cover, and a method for producing a corresponding cover | Matthias FRISCH, Stefan Jatzke | 2024-12-31 |
| 8822586 | Cationic polymer dispersions, method for producing said dispersions and use thereof | Susanne Bellmann, Joerg Issberner, Christian Boekelo | 2014-09-02 |
| 8476391 | Anionic water-in-water polymer dispersion, method for the production thereof and its use | Susanne Bellmann, Michael Busch, Dev Steuck, Johann Schulte, Wolfgang Woebel | 2013-07-02 |
| 7973095 | Water-soluble or water-swellable polymers, particularly water-soluble or water-swellable copolymers made of acrylamide and at least one ionic comonomer having a low residual monomer concentration | Gregor Herth, Manfred Dannehl | 2011-07-05 |
| 7375173 | Ecofriendly cationic polyelectrolytes | Gregor Herth, Werner Fischer, Horst Redlof | 2008-05-20 |
| 6955766 | Method for reducing harmful organisms in currents of water | Roland Schneider, Egon Walzer | 2005-10-18 |
| 6652986 | Method for preserving wood and preserved wood obtained in accordance with the method | Rüdiger Peldszus, Egon Walzer, Martin Bauer, Michael Del Grosso | 2003-11-25 |
| 5749923 | Method for bleaching denim textile material | Vinzenz Olip | 1998-05-12 |
| 5736497 | Phosphorus free stabilized alkaline peroxygen solutions | — | 1998-04-07 |
| 5336474 | Process for leaching of precious metals | Manfred Diehl, Karl-Heinz Koenig, Eckhart Krone, Juergen Loroesch, Jochen Ullmann +1 more | 1994-08-09 |
| 5207925 | Process for the detoxification of cyanide-containing aqueous solutions | Stephen Gos, Frank Ladwig, Manfred Diehl | 1993-05-04 |