Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349134 | Method for producing high dry strength paper, paperboard or cardboard | Anton Esser, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Jacques Dupuis +2 more | 2013-01-08 |
| 5846381 | Process for making a printing paper with binder mixtures for paper coating slips | Thomas Wirth, Harald Nissler, Dirk Lawrenz, Bernhard Schuler | 1998-12-08 |