Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889644 | Machine washing process: detergent paste and automatic dispenser | Guenther Amberg, Wolfgang Bechstedt, Uwe Trabitzsch | 1989-12-26 |
| 4836405 | Container for the reception of a pumpable product | Guenther Amberg | 1989-06-06 |
| 4832866 | Process for the production of free-flowing, stable foam inhibitor concentrates by compacting granulation | Juergen Waldmann, Franz-Josef Carduck, Martin Witthaus, Edmund Schmadel | 1989-05-23 |
| 4801401 | Process for the production of a foam inhibitor mixture | Martin Witthaus, Juergen Waldmann | 1989-01-31 |
| 4797231 | Multipurpose cleaning preparations for hard surfaces | Klaus Schumann, Ortburg Guirr, Franz Foerg | 1989-01-10 |