Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871602 | Use of bis-amines to enhance the antimicrobial activity of aqueous compositions | Nissanke L. Dassanayake, Thomas Christopher Carey, David L. Meadows | 2011-01-18 |
| 7445771 | Use of bis-amines to enhance the antimicrobial activity of aqueous compositions | Nissanke L. Dassanayake, Thomas Christopher Carey, David L. Meadows | 2008-11-04 |
| 7025958 | Use of amidoamines to treat or prevent acanthamoeba and fungal infections | Nissanke L. Dassanayake, Ruth Rosenthal, Sally L. Buck | 2006-04-11 |
| 6962693 | Alkylpolypropyleneoxide amidotriamines and method of using same | Nissanke L. Dassanayake | 2005-11-08 |
| 6916958 | Aminobiguanides and the use thereof to disinfect contact lenses and preserve pharmaceutical compositions | Joonsup Park, Nissanke L. Dassanayake, Nathaniel D. McQueen | 2005-07-12 |
| 6664294 | Aminobiguanides and the use thereof to disinfect contact lenses and preserve pharmaceutical compositions | Joonsup Park, Nissanke L. Dassanayake, Nathaniel D. McQueen | 2003-12-16 |
| 5900213 | Use of diamines to disinfect and clean contact lenses and preserve ophthalmic compositions | Nissanke L. Dassanayake, Joonsup Park, Bahram Asgharian | 1999-05-04 |
| 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 |
| 5573726 | Use of amidoamines in ophthalmic compositions | Nissanke L. Dassanayake, Joonsup Park | 1996-11-12 |
| 5462713 | Double redox system for disinfecting contact lenses | N. L. Dassanayake, Rajkumar P. Bhatia | 1995-10-31 |
| 5415837 | Use of diamines to disinfect and clean contact lenses | Rolf Schafer, Nissanke L. Dassanayake | 1995-05-16 |
| 5393491 | Use of amidoamines in ophthalmic compositions | Nissanke L. Dassanayake, Joonsup Park | 1995-02-28 |