Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629275 | Process for the production of surfactant-containing granules | Volker Bauer | 1997-05-13 |
| 5616550 | Process for the continuous production of a granular detergent | Hans-Friedrich Kruse, Hans-Josef Beaujean, Thomas Holderbaum | 1997-04-01 |