Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407925 | Packaged detergent composition or additive and method for packaging the same | Judith Preuschen, Ralf Wiedemann | 2008-08-05 |
| 6866808 | Method for producing moldings | Ralf Wiedemann, Axel Halbherr, Jacobus Simon Petrus Van Diepen, Ludwig Hertling | 2005-03-15 |
| 6800598 | Composition for use in a dishwashing machine | Guido Waeschenbach, Ralf Wiedemann, Enric Carbonell, Ludwig Hertling | 2004-10-05 |