Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107269 | Process for the preparation of granular washing or cleaning agents and constituents therefor | Henrich Engels | 2000-08-22 |
| 5929014 | Paste-form detergent | Hans-Josef Beaujean, Thomas Merz, Erich Holz, Thomas Holderbaum, Guenther Amberg +2 more | 1999-07-27 |
| 4772289 | Primer for leather finishes | Hermann Anzinger, Hans-Herbert Friese, Gerhard Kaindl, Uwe Ploog, Ludwig Schieferstein +2 more | 1988-09-20 |