Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755201 | Method for the durable shaping of keratin fibers | Anke Eggers, Josef Koester, Werner Seipel, Hermann Hensen | 2004-06-29 |
| 6723311 | Clear, cosmetic preparations containing fatty alcohol polyglycol ethers, ether sulfates and/or alk(en)yl oligoglycosides, and methods of preparing the same | Werner Seipel, Hermann Hensen, Norbert Boyxen, Claudia Stammen | 2004-04-20 |
| 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 |