Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176171 | Low-viscosity opacifiers without anionic surface-active agents | Claus Nieendick, Mirella Nalborczyk, Josef Koester | 2007-02-13 |
| 6755201 | Method for the durable shaping of keratin fibers | Celia Kosboth, Josef Koester, Werner Seipel, Hermann Hensen | 2004-06-29 |
| 6740130 | Hair-colorant preparations and methods of using the same | Celia Sander, Josef Koester, Werner Seipel, Hermann Hensen | 2004-05-25 |
| 6727217 | Cold production method for pearly lustre surfactant preparations | Claus Nieendick, Karl Schmid | 2004-04-27 |
| 6656454 | Method for producing surfactant granulates | Josef Koester, Werner Seipel, Celia Kosboth, Hermann Hensen | 2003-12-02 |