Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919313 | Liquid enzyme compositions containing aromatic acid derivatives and methods of use | Ronald P. Quintana, Bor-Shyue Hong | 1999-07-06 |
| 5900213 | Use of diamines to disinfect and clean contact lenses and preserve ophthalmic compositions | Nissanke L. Dassanayake, Ronald L. Schlitzer, Joonsup Park | 1999-05-04 |
| 5868868 | Peg-modified proteases and methods of use in contact lens cleaning | Joonsup Park, Ronald P. Quintana, Bor-Shyue Hong | 1999-02-09 |
| 5741817 | Use of low molecular weight amino acids in ophthalmic compositions | Masood A. Chowhan, Paul E. Stach | 1998-04-21 |
| 5723421 | Stable liquid enzyme compositions and methods of use in contact lens cleaning and disinfecting systems | Masood A. Chowhan, Ronald P. Quintana, Bor-Shyue Hong, Thierry Bilbault, Ruth Rosenthal | 1998-03-03 |
| 5718895 | Enzymes with low isoelectric points for use in contact lens cleaning | Bor-Shyue Hong, Ronald P. Quintana | 1998-02-17 |
| 5672213 | Liquid enzyme compositions containing aromatic acid derivatives | Ronald P. Quintana, Bor-Shyue Hong | 1997-09-30 |
| 5605661 | Methods of using liquid enzyme compositions containing mixed polyols | Bor-Shyue Hong | 1997-02-25 |
| 5604190 | Stable liquid enzyme compositions and methods of use in contact lens cleaning and disinfecting systems | Masood A. Chowhan, Ronald P. Quintana, Bor-Shyue Hong, Thierry Bilbault, Ruth Rosenthal | 1997-02-18 |
| 5494937 | Saline solution for treating contact lenses | Masood A. Chowhan, Paul E. Stach | 1996-02-27 |