Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672392 | Preparation of recording materials for inkjet printers | Lothar Hohr, Ulrich Riebeling | 1997-09-30 |
| 5498648 | Paper size mixtures | Roland Ettl, Carlos Goncalves, Lothar Hoehr, Andreas Hohmann, Ulrich Riebeling | 1996-03-12 |
| 5154763 | Stabilized aqueous alkyldiketene emulsions | Peter Ksoll, Erwin Hahn, Peter Wittmer, Andreas Hohmann, Ulrich Riebeling | 1992-10-13 |
| 4976888 | Antifoam based on oil-in-water emulsion | Wolfram Bergold, Hans-Juergen Degen, Jaroslav Melzer | 1990-12-11 |