Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656454 | Method for producing surfactant granulates | Josef Koester, Werner Seipel, Hermann Hensen, Anke Eggers | 2003-12-02 |
| 6641803 | Hair-conditioning agents | Joerg Kahre, Norbert Boyxen, Dagmar Goebels, Werner Seipel | 2003-11-04 |