Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532320 | Removal of physiologically unacceptable solvents from polymers containing carboxyl or anhydride groups | Walter Denzinger, Heinrich Hartmann, Hans-Juergen Rauben Heimer | 1985-07-30 |
| 4525581 | Increasing the efficiency of high molecular weight crosslinked polycarboxylic acids | Walter Denzinger, Heinrich Hartmann, Hans-Jurgen Raubenheimer | 1985-06-25 |