Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238880 | Chitosan yarn having a crystal structure corresponding to the anhydrous allomorph and a tensile strength, after immersion in demineralized water for fifteen hours, of at least 150 MPA | Laurent David, Alexandra Montembault, Mylene Desorme | 2016-01-19 |
| 9044410 | Filament based on hyaluronic acid in the form of free acid and method for obtaining it | Laurent David, Florence Dupasquier | 2015-06-02 |
| 8753671 | Filament based on hyaluronic acid in the form of free acid and method for obtaining it | Laurent David, Florence Dupasquier | 2014-06-17 |
| 7241498 | Support covered with a chitosan-based coating and method for the production thereof | Eliane Espuche, Severine Despond, Noel Cartier | 2007-07-10 |
| 7189326 | Use of material based on organic and/or inorganic fibres and chitosan for fixing metal ions | Eliane Espuche, Severine Despond, Noel Cartier | 2007-03-13 |
| 5932107 | Method of separating at least one metal present in a solution by fixation onto a chitosane | Estelle Piron, Veronique Federici, Yves Berton | 1999-08-03 |