Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722780 | Preparation of liquid dispersions | Hermann Stein | 2004-04-20 |
| 6536940 | Preparation of liquid dispersions | Gudrun Kolb, Hermann Stein | 2003-03-25 |
| 6530684 | Preparation of liquid dispersions | Gudrun Kolb, Hermann Stein | 2003-03-11 |
| 6406735 | Process for preparing a finely divided pulverous carotenoid retinoid or natural colourant preparation | Hermann Stein, Bin Yang | 2002-06-18 |
| 5364563 | Powdered aqueous carotenoid dispersions | Ernst Cathrein, Hermann Stein, Hansjorg Stoller | 1994-11-15 |