Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959219 | Coating barriers comprising ethyl cellulose | San-Laung Chow | 1990-09-25 |
| 4859461 | Coatable ion exchange resins | San-Laung Chow | 1989-08-22 |
| 4859462 | Polymer-treated ion exchange resins | San-Laung Chow | 1989-08-22 |
| 4847077 | Controlled release pharmaceutical preparations | — | 1989-07-11 |
| 4522818 | Diuretic/antihypertensive compositions | — | 1985-06-11 |
| 4221778 | Prolonged release pharmaceutical preparations | — | 1980-09-09 |