Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653142 | Automatic determination of the contamination of aqueous cleaning solutions with carbonaceous compounds | Werner Opitz, Hans-Willi Kling, Andrea Wimschneider, Ibolya Bartik-Himmler, Wolfgang Krey | 2003-11-25 |
| 6617165 | Method for automatically testing and controlling surface-active contents in aqueous solutions used in a process | Werner Opitz, Hans-Willi Kling, Ibolya Bartik-Himmler, Ludger Buetfering, Friedhelm Siepmann +1 more | 2003-09-09 |