Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684119 | Solutions of polyamideimides in .gamma.-butyrolactone, process for obtaining them and the yarns thus obtained | Jean Russo | 1997-11-04 |
| 5596073 | Polyimide solutions and method of obtaining them | Jean Russo | 1997-01-21 |