Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743439 | Ophthalmic compositions containing copolymers of sulfonated styrene and maleic anhydride | Ernesto J. Castillo, Wesley Wehsin Han, Huixiang Zhang | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743439 | Ophthalmic compositions containing copolymers of sulfonated styrene and maleic anhydride | Ernesto J. Castillo, Wesley Wehsin Han, Huixiang Zhang | 2004-06-01 |