Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696258 | Process for the preparation of triphendioxazine dyestuffs amidated on both sides | Christian Schumacher | 1997-12-09 |
| 5686642 | Compounds useful for the preparation of bi-and polyfunctional reactive dyestuffs | Konrad Bootz, Manfred Hoppe, Eckhard Bock, Wolfram Reddig, Thomas Eizenhofer +1 more | 1997-11-11 |
| 5675040 | Process for the preparation of sulphones | Wolfgang Harms, Udo-Winfried Hendricks, Klaus Kunde | 1997-10-07 |
| 5663442 | Process for the preparation of sulphones | Wolfgang Harms, Udo-Winfried Hendricks, Klaus Kunde | 1997-09-02 |
| 5591834 | Reactive dyestuffs having reactive fluorine-containing pyrimidyl radicals | Konrad Bootz | 1997-01-07 |