Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466265 | Lithium-containing assistants for dyeing and printing of cellulosic and/or regenerated cellulosic materials | Martin Riegels | 1995-11-14 |
| 5456728 | Reactive dyestuff mixture having improved properties in combination | Max Schwarz, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr | 1995-10-10 |
| 5399182 | Reactive dyestuff red mixture | Max Schwarz, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr | 1995-03-21 |
| 5393307 | Reactive dyestuff mixture | Max Schwarz, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr | 1995-02-28 |
| 5364416 | Reactive dyestuff mixtures | Max Schwarz, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr | 1994-11-15 |
| 5356444 | Phthalocyanine reactive dyestuff mixture | Max Schwarz, Joachim Wolff, Dietrich Hildebrand, Manfred Hoppe, Josef-Walter Stawitz +1 more | 1994-10-18 |
| 5304221 | Reactive dyestuff mixtures | Max Schwarz, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr | 1994-04-19 |
| 5256161 | Aqueous dyestuff preparation: lithium bicarbonate and reactive dye | Friedhelm Buse, Johannes Haas, Manfred Hobohm | 1993-10-26 |
| 4383835 | Process for improving the light fastness of polyamide dyeings with copper complexes of schiff bases or ortho-hydroxy benzophenone | Reinhard Preuss, Ulrich Beck, Hellmuth Pantke, Karl Vogel | 1983-05-17 |