Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266165 | Paper sizing using copolymers of long-chain olefins and maleic anhydride in the form of the semiamides with morpholine | Walter Denzinger, Norbert Greif, Heinrich Hartmann, Knut Oppenlaender, Ulrich Riebeling | 1993-11-30 |