Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633358 | Process for bleaching aqueous surfactant solutions | Juergen Gruetzke, Stefan Schmidt, Gerda Grund | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633358 | Process for bleaching aqueous surfactant solutions | Juergen Gruetzke, Stefan Schmidt, Gerda Grund | 1997-05-27 |