Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851140 | Aqueous liquid fabric treatment preparation | Hans Nuesslein, Rolf Puchta, Theodor Voelkel | 1989-07-25 |
| 4832856 | Aqueous fabric softener for the treatment of fabrics: containing alkylamine, hydroxyalkylamine or quaternary ammonium derivative and a carboxylic acid | Horst Rutzen | 1989-05-23 |
| 4820436 | Detergents for low laundering temperatures | Hans Andree, Horst Baumann, Manfred Biermann, Frantisek Jost, Horst-Juergen Krause +9 more | 1989-04-11 |