Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446093 | Injectable aqueous ophthalmic composition and method of use therefor | Masood A. Chowhan, Thomas Hohman, Wesley Wehsin Han | 2016-09-20 |
| 8431751 | Polymeric quaternary ammonium compounds with vicinal hydroxy groups | Hwang-Hsing Chen, Masood A. Chowhan, Glenn Stafford | 2013-04-30 |
| 7402609 | Olopatadine formulations for topical administration | Wesley Wehsin Han, Huixiang Zhang, Haresh Bhagat, Onkar N. Singh, Joseph Paul Bullock +1 more | 2008-07-22 |
| 7001615 | Sustained release ophthalmic, otic and nasal suspension | Onkar N. Singh | 2006-02-21 |
| 6995186 | Olopatadine formulations for topical administration | Wesley Wehsin Han, Huixiang Zhang, Haresh Bhagat, Onkar N. Singh, Joseph Paul Bullock +1 more | 2006-02-07 |
| 6743439 | Ophthalmic compositions containing copolymers of sulfonated styrene and maleic anhydride | Wesley Wehsin Han, Huixiang Zhang, Ronald F. Berry | 2004-06-01 |
| 6486208 | Sustained release, and comfortable opthalmic composition and method for ocular therapy | Ruma Sarkar, Onkar N. Singh, Alan L. Weiner, Cody Yarborough | 2002-11-26 |
| 6444710 | Use of certain fatty acid/amino acid soaps to enhance antimicrobial effectiveness of topically administrable pharmaceutical compositions | Steven H. Gerson, Wesley Wehsin Han | 2002-09-03 |
| 6284749 | Preservative system for topically administrable pharmaceutical compositions containing a fatty acid/amino acid soap | Steven H. Gerson, Wesley Wehsin Han | 2001-09-04 |
| 6211238 | Preservative system for topically administrable pharmaceutical compositions | Steven H. Gerson, Wesley Wehsin Han | 2001-04-03 |
| 6146622 | Use of certain anionic amino acid based surfactants to enhance antimicrobial effectiveness of topically administrable pharmaceutical compositions | Steven H. Gerson, Wesley Wehsin Han | 2000-11-14 |
| 5985310 | Preservative systems for pharmaceutical compositions containing cyclodextrins | Ramon L. Espino | 1999-11-16 |
| 5662919 | Sulfated polyvinyl alcohol polymers to stabilize pharmaceutical drug compounds | Yusuf Ali, Ruma Sarkar | 1997-09-02 |
| 5540918 | Use of certain anionic surfactants to enhance antimicrobial effectiveness of ophthalmic compositions | Yusuf Ali | 1996-07-30 |
| 5520920 | Use of certain anionic surfactants to enhance antimicrobial effectiveness of ophthalmic compositions | Yusuf Ali | 1996-05-28 |
| 5232708 | Coated veterinary implants | Kenneth E. Eigenberg, Kanaiyalal R. Patel, Milton J. Sabacky | 1993-08-03 |
| 5156851 | Coated veterinary implants | Kenneth E. Eigenberg, Kanaiyalal R. Patel, Milton J. Sabacky | 1992-10-20 |
| 5091185 | Coated veterinary implants | Kenneth E. Eigenberg, Kanaiyalal R. Patel, Milton J. Sabacky | 1992-02-25 |