Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688902 | Process for the preparation of polyimides or of their biodegradable polypeptide hydrolysates | Jean-Marie Bernard, Jean-Luc Lepage, Florence Tournilhac | 1997-11-18 |
| 5643863 | Detergent compositions comprising polyimide/silicate cobuilder preformulations | Gilles Guerin | 1997-07-01 |
| 5616547 | Detergent compositions containing wash liquid-hydrolyzable polyimide biopolymers | Florence Tournilhac | 1997-04-01 |