Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747582 | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor | Detlef-Ingo Schutze, Wilhelm Thoma, Klaus Nachtkamp, Josef Pedain | 1998-05-05 |
| 5716676 | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor | Detlef-Ingo Schutze, Wilhelm Thoma, Klaus Nachtkamp, Josef Pedain | 1998-02-10 |
| 5639896 | Process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinones | Dietmar Kalz, Karl-Heinz Reinhardt, Josef Schroder, Stephan Michaelis | 1997-06-17 |
| 5093497 | Process for the preparation of a substituted or unsubstituted quinacridone | Detlef-Ingo Schutze | 1992-03-03 |
| 4981997 | Process for the preparation of 2,5-diarylaminoterephthalic acids | Detlef-Ingo Schutze | 1991-01-01 |
| 4812568 | Process for the preparation of 6,13-dihydroquinacridones and quinacridones | Helmut Herzog, Detlef-Ingo Schutze, Jürgen Schneider | 1989-03-14 |
| 4555580 | Process for the preparation of thioindigo compounds | Detlef-Ingo Schutze, Klaus Wunderlich | 1985-11-26 |
| 4387054 | Process for the preparation of quinizarin | — | 1983-06-07 |
| 4279825 | Process for the preparation of 1,4-diaminoanthraquinone-2,3-disulphonic acid | — | 1981-07-21 |