Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877556 | Cleaning compositions containing an alcohol and fatty acid ester and their use in the pretreatment of fabrics | Heinz-Manfred Wilsberg | 1989-10-31 |
| 4851140 | Aqueous liquid fabric treatment preparation | Hans Nuesslein, Theodor Voelkel, Eric Sung | 1989-07-25 |
| 4839075 | Fabric-softening detergent | Hans Nuesslein, Hannelore Casper | 1989-06-13 |
| 4814095 | After-wash treatment preparation based on layer silicate | Hans Nuesslein, Theodor Voelkel | 1989-03-21 |