Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005218 | Method for producing expanded granules | Hans Rudolph, Rainer Klostermann, Torben Kaminsky, Bernd Lohaus, Jürgen Ahlers +5 more | 2018-06-26 |
| 9447249 | Polyurethane-based expandable polymer particles | Patrick Spies, Frank Braun, Carsten Schips, Frank Prissok, Peter Gutmann +1 more | 2016-09-20 |
| 8889748 | Process for producing expandable styrene polymer compositions | Wolfram Husemann, Uwe-Johannes Lehnen, Patrick Spies, Boris Breitscheidel, Klaus Hahn +3 more | 2014-11-18 |
| 8455559 | Preparing expandable styrene polymers | Wolfgang Ferstl, Jun Gao, Klaus Hahn, Pascal Hesse, Jan Holoch +10 more | 2013-06-04 |
| 8222307 | Flameproof expandable styrene polymers, and method for the production thereof | Markus Allmendinger, Joachim Ruch, Konrad Knoll, Michael Riethues, Klaus Hahn +2 more | 2012-07-17 |
| 7868053 | Expandable polystyrene granulates with a bi- or multi-modal molecular-weight distribution | Klaus Hahn, Gerd Ehrmann, Joachim Ruch, Markus Allmendinger, Jan Holoch +1 more | 2011-01-11 |
| 7776244 | Method for producing expandable polystyrene | Franz-Josef Dietzen, Gerd Ehrmann, Martin Laun, Klaus Hahn, Joachim Ruch +3 more | 2010-08-17 |
| 6646018 | Anti-lumping compounds for use with expandable polystyrene beads | Ronald Gabbard, Eric R. Weisenbach, Robert D. Ober | 2003-11-11 |
| 5663141 | Hirudin/polyalkylene glycol conjugates and hirudin muteins | Manfred Kurfuerst, Klaus Ruebsamen, Wolfgang Koerwer, Juergen Schweden, Hans Wolfgang Hoeffken | 1997-09-02 |
| 5591778 | Process for the preparation of expandable polystyrene | Dietrich Scherzer, Klaus Hahn, Anthony G. Schaefer | 1997-01-07 |
| 5393873 | Peptides with anticoagulant activity | Hans Wolfgang Hoeffken, Wilfried Hornberger, Harald Bernard | 1995-02-28 |
| 4999345 | Sulfonamide derivatives and drugs obtained therefrom | Hand D. Lehmann, Verena Baldinger, Klaus Ruebsamen | 1991-03-12 |
| 4944943 | Mixture of a substance having thrombolytic activity and of an antithrombotic substance | Volker Eschenfelder, Klaus Ruebsamen | 1990-07-31 |
| 4710496 | Pyrrol-1-ylphenyldihydropyridazinones, their preparation and their use | Karl-Heinz Geiss, Manfred Raschack, Hans D. Lehmann, Josef Gries, Klaus Ruebsamen | 1987-12-01 |