Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795260 | Bulk material comprising solid diisocyanates and prepolymers containing urethane groups obtainable therefrom | Michael Merkel, Anna-Marie Zorn, Pascal Scherpian, Ralph Weber | 2023-10-24 |
| 9309333 | Common solvent process for producing high molecular weight halobutyl rubber | Hanns-Ingolf Paul, Rolf Feller, John Lovegrove, Adam Gronowski, Andreas Jupke +2 more | 2016-04-12 |
| 9029595 | Method for working up distillation residues from isocyanate production | Friedhelm Steffens, Tim Loddenkemper, Hartwig Kempkes | 2015-05-12 |
| 8841446 | Medicaments containing vardenafil hydrochloride trihydrate | Peter Serno, Alfons Grunenberg, Andreas Ohm, Elmer Vollers, Jan-Olav Henck | 2014-09-23 |
| 8273876 | Medicaments containing vardenafil hydrochloride trihydrate | Peter Serno, Alfons Grunenberg, Andreas Ohm, Eimer Vollers, Jan-Olav Henck | 2012-09-25 |
| 6689464 | Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method | Rolf Lanze, Alfred Eitel, Rainer Neumann, Steffen Kuhling, Frieder Heydenreich +2 more | 2004-02-10 |
| 6413638 | Coated particles containing a monomeric, polyfunctional organosilane coating | Michael Mager, Johannes Eickmans, Serge Tavernier, Raf Voets | 2002-07-02 |
| 5888692 | Method for coating carrier particles for use in electrostatic developers | Raphael Voets, Serge Tavernier, Gerrit Delen | 1999-03-30 |
| 5667759 | Method for manufacturing alkali chromates from chromium ore | Heinrich Helker, Paul Strehlow, Hans-Heinrich Moretto, Bernhard Spreckelmeyer, Norbert Lonhoff +5 more | 1997-09-16 |
| 5505918 | Method for manufacturing alkali chromates from chromium ore | Uwe Arndt, Michael Batz, Hans-Dieter Block, Heinrich Helker, Norbert Lonhoff +5 more | 1996-04-09 |