Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7695546 | Absorbents, process for the production thereof and use thereof | Matthias Schmitt, Martin Kuge, Reinhard Stober, Udo Gorl, Jürgen Leimann +2 more | 2010-04-13 |
| 7514062 | Process for the production of furnace black | Volker Heinze, Johann Mathias | 2009-04-07 |
| 4970059 | Method of producing furnace carbon black | Gurhard Schaefer | 1990-11-13 |
| 4904454 | Reactor for producing furnace carbon black | Gerhard Schaefer | 1990-02-27 |