Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9040510 | Interaction control of cationic biocides using labile anionic polyelectrolytes | Howard Allen Ketelson, Ryan DeSousa, Mary E. Luck | 2015-05-26 |
| 8097270 | Use of nanoparticles as carriers for biocides in ophthalmic compositions | Howard Allen Ketelson, Thomas Christopher Carey, David L. Meadows | 2012-01-17 |
| 8093352 | Polyalkylene oxide polyquaternary ammonium biocides | Ryan DeSousa, Howard Allen Ketelson | 2012-01-10 |
| 7871602 | Use of bis-amines to enhance the antimicrobial activity of aqueous compositions | Thomas Christopher Carey, Ronald L. Schlitzer, David L. Meadows | 2011-01-18 |
| 7445771 | Use of bis-amines to enhance the antimicrobial activity of aqueous compositions | Thomas Christopher Carey, Ronald L. Schlitzer, David L. Meadows | 2008-11-04 |
| 7025958 | Use of amidoamines to treat or prevent acanthamoeba and fungal infections | Ronald L. Schlitzer, Ruth Rosenthal, Sally L. Buck | 2006-04-11 |
| 6962693 | Alkylpolypropyleneoxide amidotriamines and method of using same | Ronald L. Schlitzer | 2005-11-08 |
| 6916958 | Aminobiguanides and the use thereof to disinfect contact lenses and preserve pharmaceutical compositions | Joonsup Park, Nathaniel D. McQueen, Ronald L. Schlitzer | 2005-07-12 |
| 6849253 | Use of borate-polyol complexes in ophthalmic compositions | Masood A. Chowhan | 2005-02-01 |
| 6664294 | Aminobiguanides and the use thereof to disinfect contact lenses and preserve pharmaceutical compositions | Joonsup Park, Nathaniel D. McQueen, Ronald L. Schlitzer | 2003-12-16 |
| 6503497 | Use of borate-polyol complexes in ophthalmic compositions | Masood A. Chowhan | 2003-01-07 |
| 6365636 | Use of borate-polyol complexes in ophthalmic compositions | Masood A. Chowhan | 2002-04-02 |
| 6143799 | Use of borate-polyol complexes in ophthalmic compositions | Masood A. Chowhan | 2000-11-07 |
| 5900213 | Use of diamines to disinfect and clean contact lenses and preserve ophthalmic compositions | Ronald L. Schlitzer, Joonsup Park, Bahram Asgharian | 1999-05-04 |
| 5811466 | Use of borate-polyol complexes in ophthalmic compositions | Masood A. Chowhan | 1998-09-22 |
| 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 |
| 5573726 | Use of amidoamines in ophthalmic compositions | Ronald L. Schlitzer, Joonsup Park | 1996-11-12 |
| 5415837 | Use of diamines to disinfect and clean contact lenses | Rolf Schafer, Ronald L. Schlitzer | 1995-05-16 |
| 5393491 | Use of amidoamines in ophthalmic compositions | Ronald L. Schlitzer, Joonsup Park | 1995-02-28 |