Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667803 | Starch acetate composition with modifiable properties, method for preparation and usage thereof | Timo Petteri Paronen, Arto Urtti, Leena Johanna Nakari | 1997-09-16 |
| 5656292 | Composition for pH dependent controlled release of active ingredients and methods for producing it | Arto Urtti, Timo Petteri Paronen, Leena Johanna Nakari, Jani Vuorenpaa | 1997-08-12 |