Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620797 | Artificial tear composition containing a combination of three demulcents | Huagang Chen | 2003-09-16 |
| 6503497 | Use of borate-polyol complexes in ophthalmic compositions | Nissanke L. Dassanayake | 2003-01-07 |