Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5939562 | Alkenyl substituted cyclic carboxyl acid anhydrides and their application in hydrophobic paper sizing | Mika Kapanen, Salme Koskimies, Erkki Halme, Raija Savolainen | 1999-08-17 |