Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534166 | Preparation of condensates of arenesulfonic acids and formaldehyde and use thereof | Johannes P. Dix, Rolf Fikentscher, Manfred Herrmann, Norbert Zimmermann | 1996-07-09 |
| 5364972 | Preparation of nitrobenzophenones, and a color-stable modification of a benzophenone-azopyridone dye | Helmut Degen, Norbert Zimmerman, Gunther Lamm, Arno Lange, Helmut Reichelt | 1994-11-15 |
| 5298635 | Tertiary amides useful as low-foam wetting agents in the textile industry | Eberhard Beckmann, Johannes P. Dix, Peter Freyberg, Erich Kromm | 1994-03-29 |
| 5240771 | Copolymers based on C.sub.1 -C.sub.8 -alkyl acrylates and/or methacrylates and preparation and use thereof | Holger Schoepke, Thomas Wirth, Juergen Hartmann | 1993-08-31 |
| 5231145 | Copolymers based on C.sub.1 -C.sub.8 -alkyl acrylates and/or methacrylates and their use in sizing agent compositions | Holger Schoepke, Thomas Wirth, Juergen Hartmann | 1993-07-27 |
| 5186846 | Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate | Willi Bury, Johannes P. Dix, Manfred Herrmann, Waldemar Dlugosch, Erich Kromm +4 more | 1993-02-16 |
| 5124438 | Chemically modified proteins and colorant formulations containing the same | Johannes P. Dix, Manfred Herrmann, Herbert Leiter, Norbert Zimmermann | 1992-06-23 |
| 5080811 | Ethoxylated fatty acid amide textile softeners | Toni Simenc | 1992-01-14 |
| 4943602 | Preparation of aqueous polyester dispersions and use thereof | Heinz Leitner, Holger Schoepke | 1990-07-24 |