Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986075 | Process for the production of diazonium compounds with a low content of sodium ions | John C. DuBose, Andrew David Johnson, Samuel Shaun Murphree, Helmut Hoffmann, Wolfgang Zarges +2 more | 1999-11-16 |
| 5888400 | Process for preparing low-salt preparations of condensation products | Wolfgang Zarges, Harro Traubel | 1999-03-30 |
| 4430156 | Process for drying pumpable suspensions | Clemens Casper, Dieter Grenner, Gerd-Rudiger Klette | 1984-02-07 |
| 4212746 | Edge sealing for filter cloths | Heinz-Gerd Nonnenbruch, Hans-Joachin Ludwig Gossmann, Peter Schultz | 1980-07-15 |