Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656292 | Composition for pH dependent controlled release of active ingredients and methods for producing it | Arto Urtti, Soili Peltonen, Timo Petteri Paronen, Leena Johanna Nakari | 1997-08-12 |