Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820440 | Phosphate-free dishwasher detergent | Dieter Hemm | 1989-04-11 |
| 4704212 | Composition and process for the aftertreatment of washed laundry | Hans Nuesslein, Edgar Koeppelmann, Joerg Poethkow | 1987-11-03 |