Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157063 | Process for the utilization of vanadium from chromium ore as vanadium (V) oxide | Rainer Weber, Hans-Dieter Block, Jost Halstenberg, Michael Lumm, Roland-Luiz Roth +1 more | 2007-01-02 |
| 6673329 | Process for preparing fluorosulfonic acid having low contents of low-boiling compounds | Andreas Bulan, Dieter Heinz, Kasper Hallenberger | 2004-01-06 |
| 5667759 | Method for manufacturing alkali chromates from chromium ore | Rainer Bellinghausen, Heinrich Helker, Paul Strehlow, Hans-Heinrich Moretto, Bernhard Spreckelmeyer +5 more | 1997-09-16 |
| 5505918 | Method for manufacturing alkali chromates from chromium ore | Uwe Arndt, Rainer Bellinghausen, Hans-Dieter Block, Heinrich Helker, Norbert Lonhoff +5 more | 1996-04-09 |
| 5484511 | Process for the removal of impurities from hydrazine hydrate | Wolfgang Ohlendorf, Hans-Heinrich Moretto, Peter C. Schmidt, Gerhard Jonas | 1996-01-16 |