Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7210908 | Hydraulic machine rotor | — | 2007-05-01 |
| 7033989 | High-concentration aqueous solutions of betaines or amine oxides | Frank Weinelt | 2006-04-25 |
| 6165972 | Solid surfactant mixtures comprising fatty acid polyhydroxyamides | Frank Weinelt | 2000-12-26 |