Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354882 | Doubled phenyl- or naphthyl-azobenzenes having a plurality of reactive groups and intermediates therefor | Bernd Siegel | 1994-10-11 |
| 5336800 | Mixed oxamides | Bernd Siegel, Knut Kessel | 1994-08-09 |
| 5334734 | Vat dyes | Matthias Niedenbrueck | 1994-08-02 |
| 5276148 | Phenylazobenzenes or naphthylazobenzenes having a plurality of fiber-reactive groups | Bernd Siegel | 1994-01-04 |