Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7183429 | Preparation and use of iminodisuccinic acid ammonium metal salts | Torsten Groth, Alfred Mitschker, Thomas Klein, Thomas Menzel, Wolfgang Wirth | 2007-02-27 |
| 6989274 | Polyaspartic acid concentration determination by fluorometry | Thomas Klein, Thomas Klausa, Andreas Elschner, Monika Cordes | 2006-01-24 |
| 6100319 | Process for improving the plasticity of ceramic composition and for reversing this effect | Torsten Groth, Winfried Joentgen, Bernhard Lehmann, Ulrich Litzinger, Rudiger Schubart +1 more | 2000-08-08 |
| 5942150 | Use as antifreeze of polymers with recurring succinyl units | Lutz Heuer, Winfried Joentgen, Torsten Groth | 1999-08-24 |