Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689305 | Process for consolidating particulate solids and cleaning products therefrom II | Peter J. Fernholz, Sandra Witt, Hans-Peter Koehler, Horst Pruehs, Karl-Heinz Rogmann | 2004-02-10 |
| 5858299 | Process for consolidating particulate solids | Peter J. Fernholz, Sandra Witt, Hans-Peter Koehler, Horst Pruehs, Karl-Heinz Rogmann | 1999-01-12 |
| 5474692 | Lubricant concentrate and an aqueous lubricant solution based on fatty amines, a process for its production and its use | Alfred Laufenberg, Karl-Heinz Schmitz | 1995-12-12 |
| 5062978 | Aqueous lubricant solutions based on fatty alkyl amines | Frank J. Weber | 1991-11-05 |