Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631005 | Use of amidoamines in ophthalmic compositions | Ronald L. Schlitzer, Joonsup Park | 1997-05-20 |
| 5627214 | Use of diamines in ophthalmic compositions | Rolf Schafer, Ronald L. Schlitzer | 1997-05-06 |