Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229490 | Water dispersible compositions containing natural hydrophilic water-insoluble pigments, methods of preparing same and their use | Marianne Winning | 2007-06-12 |
| 6719839 | Water dispersible compositions containing natural hydrophilic water-insoluble pigments, methods of preparing same and their use | Marianne Winning | 2004-04-13 |
| 6190686 | Water dispersible compositions containing natural hydrophobic pigment, method of preparing same and their use | Marianne Winning | 2001-02-20 |