Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229803 | Reaction of (di)amines in the presence of a lysine oxidase and of a reducing agent | Thomas Friedrich, Rainer Stürmer | 2007-06-12 |
| 5753775 | Sulfonated and oxidized indene polymers | Eberhard Beckmann, Stefan Erren, Ulf Baus, Erich Kromm, Klaus Taeger +2 more | 1998-05-19 |
| 5534166 | Preparation of condensates of arenesulfonic acids and formaldehyde and use thereof | Ralf Brueckmann, Johannes P. Dix, Rolf Fikentscher, Manfred Herrmann | 1996-07-09 |
| 5186846 | Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate | Ralf Brueckmann, Willi Bury, Johannes P. Dix, Manfred Herrmann, Waldemar Dlugosch +4 more | 1993-02-16 |
| 5124438 | Chemically modified proteins and colorant formulations containing the same | Ralf Brueckmann, Johannes P. Dix, Manfred Herrmann, Herbert Leiter | 1992-06-23 |