Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427755 | Process for the preparation of a dicalcium phosphate dihydrate suitable for use in toothpastes | Franz-Josef Dany, Gerhard Kalteyer, Hedwig Prell | 1995-06-27 |
| 5427756 | Process for the preparation of a dicalcium phosphate dihydrate suitable for use in toothpastes | Franz-Josef Dany, Gerhard Kalteyer, Hedwig Prell, Hermann Schrodter | 1995-06-27 |
| 4818354 | Process for the preparation electrolytic manganese dioxide | Eberhard Preisler, Johannes Holzem, Gerhard Mietens | 1989-04-04 |
| 4462912 | Process for removing molybdenum from aqueous manganese salt solutions | Eberhard Preisler, Bernhard Hofmann | 1984-07-31 |
| 4402812 | Electrolytic cell | Herbert Panter, Hermann Klein, Eberhard Preisler, Hans-Werner Stephan, Gunter Reichert | 1983-09-06 |