Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176171 | Low-viscosity opacifiers without anionic surface-active agents | Claus Nieendick, Josef Koester, Anke Eggers | 2007-02-13 |
| 6835700 | Highly concentrated free-flowing pearly lustre concentrates | Claus Nieendick, Karl Schmid | 2004-12-28 |