Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691300 | Rinse aids for the machine washing of hard surfaces | Bernd Fabry, Juergen Haerer, Birgit Burg, Marica Nejtek, Peter Jeschke | 1997-11-25 |
| 5641816 | Process for the production of polyol compounds | Johann Klein, Peter Daute, Bernd Beuer | 1997-06-24 |
| 5597934 | Process for production of polyol compounds | Johann Klein, Peter Daute, Bernd Beuer | 1997-01-28 |