Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743901 | Preparation of liquid formulations of basic azo dyes | Michael Schmitt, Rainer Tresch | 2004-06-01 |
| 6200460 | Substance mixtures containing stabilizers and compounds containing vinyl groups | Heinz Friedrich Sutoris, Hermann Uhr, Konrad Mitulla, Jürgen Schröder, Knut Kessel | 2001-03-13 |
| 5929245 | Naphtholactam dyes | Clemens Grund, Ernst Schefczik, Gunther Lamm, Rudiger Sens | 1999-07-27 |
| 5486609 | Preparation of carbocylic M-aminohydroxyaromatics | Robert M. Reinhardt, Helmut Reichelt | 1996-01-23 |