Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835700 | Highly concentrated free-flowing pearly lustre concentrates | Karl Schmid, Mirella Nalborczyk | 2004-12-28 |
| 6727217 | Cold production method for pearly lustre surfactant preparations | Karl Schmid, Anke Eggers | 2004-04-27 |