Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7579299 | Semi-synthetic bleaching earth | Uwe Flessner, Jose Antonio Ortiz Niembro, Werner Zschau | 2009-08-25 |
| 6852786 | Rubber mixture that can be cross-linked by sulfur, method for the production thereof, and cross-linked rubber mixtures and shaped bodies that can be obtained therefrom | Rainer Brandsch, Stefan Dick, Nikolaus Rennar, Andreas Siedler | 2005-02-08 |
| 5814209 | Method for ecological utilization of acid effluents of fuller's earth | Reinhard Hahn, Hans Buckl, Wolfgang Eisenschmid | 1998-09-29 |