Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631005 | Use of amidoamines in ophthalmic compositions | Nissanke L. Dassanayake, Joonsup Park | 1997-05-20 |
| 5627214 | Use of diamines in ophthalmic compositions | Rolf Schafer, Nissanke L. Dassanayake | 1997-05-06 |
| 5591397 | Double redox system for disinfecting contact lenses | N. L. Dassanayake, Rajkumar P. Bhatia | 1997-01-07 |