Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936640 | Biguanide/quaternary ammonium containing copolymeric biocides and use thereof in pharmaceutical compositions | Nathaniel D. McQueen | 2005-08-30 |
| 6916958 | Aminobiguanides and the use thereof to disinfect contact lenses and preserve pharmaceutical compositions | Nissanke L. Dassanayake, Nathaniel D. McQueen, Ronald L. Schlitzer | 2005-07-12 |
| 6664294 | Aminobiguanides and the use thereof to disinfect contact lenses and preserve pharmaceutical compositions | Nissanke L. Dassanayake, Nathaniel D. McQueen, Ronald L. Schlitzer | 2003-12-16 |
| 6423748 | Amido polybiguanides and the use thereof as antimicrobial agents | Nathaniel D. McQueen | 2002-07-23 |
| 6316669 | Bis-amido polybiguanides and the use thereof to disinfect contact lenses and preserve pharmaceutical compositions | Nathaniel D. McQueen | 2001-11-13 |
| 6051611 | Polymeric quaternary ammonium compounds and their use as ophthalmic antimicrobias | Evan P. Kyba | 2000-04-18 |
| 5900213 | Use of diamines to disinfect and clean contact lenses and preserve ophthalmic compositions | Nissanke L. Dassanayake, Ronald L. Schlitzer, Bahram Asgharian | 1999-05-04 |
| 5868868 | Peg-modified proteases and methods of use in contact lens cleaning | Ronald P. Quintana, Bor-Shyue Hong, Bahram Asgharian | 1999-02-09 |
| 5631005 | Use of amidoamines in ophthalmic compositions | Nissanke L. Dassanayake, Ronald L. Schlitzer | 1997-05-20 |
| 5573726 | Use of amidoamines in ophthalmic compositions | Nissanke L. Dassanayake, Ronald L. Schlitzer | 1996-11-12 |
| 5536494 | Polyethylene oxide-containing quaternary ammunium polymers and pharmaceutical compositions containing an antimicrobial amount of same | — | 1996-07-16 |
| 5399737 | Quaternary ammonium siloxane compounds and methods for their use | Joseph J. Falcetta | 1995-03-21 |
| 5393491 | Use of amidoamines in ophthalmic compositions | Nissanke L. Dassanayake, Ronald L. Schlitzer | 1995-02-28 |
| 5300287 | Polymeric antimicrobials and their use in pharmaceutical compositions | — | 1994-04-05 |
| 5133745 | Ultraviolet absorbing hydrogels | Joseph J. Falcetta, Christina G. Smith | 1992-07-28 |
| 4737558 | Siloxane copolymers for ophthalmic applications | Joseph J. Falcetta | 1988-04-12 |
| 4690993 | p-(2-Hydroxy hexafluoroisopropyl) styrene [HFIS] monomer for ophthalmic applications | Joseph J. Falcetta | 1987-09-01 |
| 4640941 | Hydrogels containing siloxane comonomers | Joseph J. Falcetta | 1987-02-03 |
| 4640965 | Hydrogel compositions using p-(2-hydroxyhexafluoroisopropyl) styrene as a comonomer | Joseph J. Falcetta | 1987-02-03 |
| 4633003 | Siloxane monomers for ophthalmic applications | Joseph J. Falcetta | 1986-12-30 |