Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6964772 | Chitosan-xanthan based polyionic hydrogels for stabilization and controlled release of vitamins | Esteban Chornet | 2005-11-15 |
| 5858392 | Supported polyionic hydrogels | Hilda Guttmann, Itzhak Kahane | 1999-01-12 |
| 5648252 | Supported polyionic hydrogels containing biologically active material | Itzhak Kahane, Hilda Guttmann | 1997-07-15 |
| 5620706 | Polyionic insoluble hydrogels comprising xanthan and chitosan | Esteban Chornet, Pierre Vidal | 1997-04-15 |