Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624466 | Dyeing of melamine-formaldehyde condensation products | Wolfgang Schindler | 1997-04-29 |
| 5431699 | Mixtures of azo dyes for navy to black hues | Arno Lange, Walter P. Sieber, Volker Walther | 1995-07-11 |
| 5210187 | Double attachment reactive dyes having alkyl- or alkenylsulfonyl and alkyl- or alkenylsulfonylalkyl groups | Manfred Patsch, Friedrich Wirsing, Joerg L. Jessen, Klaus Pandl, Claus Marschner +1 more | 1993-05-11 |
| 4925954 | Vat dye based on flouranthene | Manfred Patsch, Gerhard Epple, Helmut Flohr, Helmut Degen | 1990-05-15 |
| 4923988 | Preparation of triphendioxazines | Manfred Pastsch | 1990-05-08 |