Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532320 | Removal of physiologically unacceptable solvents from polymers containing carboxyl or anhydride groups | Walter Denzinger, Heinrich Hartmann, Gerhard Faulhaber | 1985-07-30 |