Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620209 | Laundry detergent compositions | Ditmar Kischkel, Manfred Weuthen | 2003-09-16 |
| 6616705 | Laundry detergent compositions | Ditmar Kischkel, Manfred Weuthen | 2003-09-09 |
| 6521578 | Cleaning agents for hard surfaces | Rita Koester, Ditmar Kischkel, Antonino Burgo | 2003-02-18 |