Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885459 | Process for purifying and reusing surfactant-containing waste waters | Elke Lerche, Hartmut Rohbeck, Doris Hillemann, Ralf Schwarz | 1999-03-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885459 | Process for purifying and reusing surfactant-containing waste waters | Elke Lerche, Hartmut Rohbeck, Doris Hillemann, Ralf Schwarz | 1999-03-23 |