Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696291 | Cationic polyurethane compositions, quaternary ammonium salts and methods for their preparation | Ibrahim S. Bechara | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696291 | Cationic polyurethane compositions, quaternary ammonium salts and methods for their preparation | Ibrahim S. Bechara | 1997-12-09 |